NORTHSTAR 75711 (01) PDF MANUAL


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PDF Content Summary: 60-Gallon Electric Air Compressor Owner’s Manual WARNING: Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating. Failure to follow the safety rules and other basic safety precautions may result in serious personal injury. Item #75711 READ & SAVE THESE INSTRUCTIONS Thank you very much for choosing a NorthStar® product! For future reference, please complete the owner’s record below: Serial Number/Lot Date Code (if applicable): _____________________ Purchase Date: ____________________________________________ Save the receipt, warranty, and this manual. It is important that you read the entire manual to become familiar with this product before you begin using it. This air compressor is designed for certain applications only. Northern Tool and Equipment is not responsible for issues arising from modification or improper use of this product such as an application for which it was not designed. We strongly recommend that this product not be modified and/or used for any application other than that for which it was designed. For technical questions, please call 1-888-895-4549. Page 2 of 36 Table of Contents Intended Use .......................................................................................................................................... 5 Packaging Contents .............................................................................................................................. 5 Technical Specifications ...................................................................................................................... 5 Safety Signal Words ............................................................................................................................. 5 Important Safety Information ............................................................................................................... 6 Specific Operation Warnings ............................................................................................................... 9 Main Parts of Air Compressor ............................................................................................................. 9 Hot Surfaces ........................................................................................................................................ 10 Assembly ............................................................................................................................................. 11 Installing Hoses .............................................................................................................................. 11 Disconnecting Hoses ...................................................................................................................... 11 Installation ........................................................................................................................................... 12 Lubrication and Oil .......................................................................................................................... 12 Compatibility ................................................................................................................................... 12 Location .......................................................................................................................................... 12 Humid Areas ................................................................................................................................... 12 Noise Considerations ..................................................................................................................... 12 Anchoring of the Air Compressor ..................................................................................................... 12 Electrical Power Requirements ......................................................................................................... 13 Wiring Instructions .......................................................................................................................... 13 Main Power Panel........................................................................................................................... 14 Main Power Disconnect Switch ...................................................................................................... 14 Low Voltage Problems .................................................................................................................... 14 Grounding Instructions ................................................................................................................... 14 Motor Reset ......................................................................................................................................... 14 Motor Reset Switch ........................................................................................................................ 14 Air Distribution System ...................................................................................................................... 15 How to Use Your Unit ......................................................................................................................... 16 How to Stop .................................................................................................................................... 17 Break-In Procedure ........................................................................................................................ 17 Before Each Start-Up .......................................................................................................................... 18 Operating Instructions ........................................................................................................................ 18 How to Start .................................................................................................................................... 19 Shut-down ............................................................................................................................................ 19 Maintenance ........................................................................................................................................ 19 Checking Safety Valve ................................................................................................................... 21 Page 3 of 36 Checking Air Filter .......................................................................................................................... 21 Draining Air Tank ............................................................................................................................ 21 Pump Oil ............................................................................................................................................... 22 Compressor Pump Oil .................................................................................................................... 22 Checking Oil ................................................................................................................................... 22 Changing Oil ................................................................................................................................... 22 Belt Replacement / Belt Tension / Motor Pulley & Flywheel Adjustment ...................................... 23 Belt Replacement ........................................................................................................................... 23 Adjusting Belt Tension .................................................................................................................... 23 Motor Pulley/Flywheel Alignment ................................................................................................... 23 Miscellaneous Maintenance ............................................................................................................... 24 Air Compressor Pump Intake and Exhaust Valves ........................................................................ 24 Inspect Air Lines and Fittings for Leaks ......................................................................................... 24 Air Compressor Head Bolts - Torqueing ........................................................................................ 24 Service and Adjustments ................................................................................................................ 24 To Replace or Clean the Check Valve ........................................................................................... 25 Troubleshooting .................................................................................................................................. 26 Air Compressor Parts Diagram ......................................................................................................... 29 Air Compressor Parts List .................................................................................................................. 29 Pump Parts Diagram ........................................................................................................................... 31 Pump Parts List ................................................................................................................................... 31 Switch Assembly Parts Diagram ....................................................................................................... 33 Switch Assembly Parts List ............................................................................................................... 33 Replacement Parts .............................................................................................................................. 33 Limited Warranty ................................................................................................................................. 34 Page 4 of 36 Intended Use The NorthStar 60 Gallon Electric Air Compressor provides compressed air for air tools and pressurized objects that require high air pressure. • Maximum Efficiency: Heavy-duty 230V induction motor for maximum performance and efficiency. • Long Lasting Operation: One-piece cast iron oil-lubricated pump for long service life. • Efficient Operation: Two-cylinder design for low heat transfer between cylinders. Note: Do not use for low-pressure objects such as balloons, air mattresses, and sport balls, which can explode quickly and easily. Special precautions are necessary when used for cleaning to prevent flying debris hazards. It is not to be used to supply breathing air. Packaging Contents • Air Compressor • Owner’s Manual • Air Compressor Insert Sheet Technical Specifications Property Specification Model NSLC3706056 Weight 247 lb. Height 71” Width 31” Running H.P. 3.7 Tank Capacity 60 Gallons Voltage/Amps/Phase 230 Volts / 15 Amps / 1 Phase Kick-in Pressure 105 PSI (7,24 bar) Kick-out Pressure 135 PSI (9,31 bar) Air Delivery 11.5 CFM @ 90 PSI 13.4 CFM @ 40 PSI Noise Rating 82 dB Pump Type Belt Drive Safety Signal Words The definitions below describe the level of severity for each signal word. Please read the manual and pay attention to the following: DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage. Page 5 of 36 Important Safety Information ⚠WARNING • Read and understand all instructions. Failure to follow all instructions may result in serious injury or property damage. • The warnings, cautions, and instructions in this manual cannot cover all possible conditions or situations that could occur. Exercise common sense and caution when using this tool. Always be aware of the environment and ensure that the tool is used in a safe and responsible manner. • Do not allow persons to operate or assemble the product until they have read this manual and have developed a thorough understanding of how it works. • Do not modify this product in any way. Unauthorized modification may impair the function and/or safety and could affect the life of the product. There are specific applications for which the product was designed. • Use the right tool for the job. DO NOT attempt to force small equipment to do the work of larger industrial equipment. There are certain applications for which this equipment was designed. This product will be safer and do a better job at the capacity for which it was intended. DO NOT use this equipment for a purpose for which it was not intended. • Industrial or commercial applications must follow OSHA requirements. ⚠WARNING PROP 65 • This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to p65warnings.ca.gov. ⚠WARNING WORK AREA SAFETY • Inspect the work area before each use. Keep work area clean, dry, free of clutter, and well-lit. Cluttered, wet, or dark work areas can result in injury. Using the product in confined work areas may put you dangerously close to cutting tools and rotating parts. • Do not use the product where there is a risk of causing a fire or an explosion; e.g., in the presence of flammable liquids, gases, or dust. The product can create sparks, which may ignite the flammable liquids, gases, or dust. • Do not allow the product to come into contact with an electrical source. The tool is not insulated and contact will cause electrical shock. • Keep children and bystanders away from the work area while operating the tool. Do not allow children to handle the product. • Be aware of all power lines, electrical circuits, water pipes, and other mechanical hazards in your work area. Some of these hazards may be hidden from your view and may cause personal injury and/or property damage if contacted. Page 6 of 36 • Keep your work area clean and well lit. Ensure floors are not slippery from wax or dust. • The compressed air directly from your compressor is not safe for breathing. The air stream may contain carbon monoxide, toxic vapors, or solid particles from the air tank. Breathing these contaminants can cause serious injury or death. Never use air obtained directly from the compressor to supply air for human consumption. The compressor is not equipped with suitable filters and in-line safety equipment for human consumption. • Never drill into, weld or make any modifications to the air tank or its attachments. Never attempt to repair a damaged or leaking air tank. Replace with a new air tank. • The air tank is designed to withstand specific operating pressures. Never make adjustments or part substitutions to alter the factory set operating pressures. • Over inflation of tires could result in serious injury and property damage. NOTE: Air tanks, compressors and similar equipment used to inflate tires can fill small tires very rapidly. Adjust pressure regulator on air supply to no more than the rating of the tire pressure. Add air in small increments and frequently use the tire gauge to prevent over inflation. • Oil can leak or spill and could result in fire or breathing hazard; serious injury or death can result. Oil leaks will damage carpet, paint or other surfaces in vehicles or trailers. Always place compressor on a protective mat when transporting to protect against damage to vehicle from leaks. Remove compressor from vehicle immediately upon arrival at your destination. Always keep compressor level and never lie on its side. ⚠WARNING PERSONAL SAFETY • Stay alert, watch what you are doing, and use common sense when operating the tool. Do not use the tool while you are tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating the tool may result in serious personal injury. • Dress properly. Do not wear loose clothing, dangling objects, or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. Air vents on the tool often cover moving parts and should be avoided. • Wear the proper personal protective equipment when necessary. Use ANSI Z87.1 compliant safety goggles (not safety glasses) with side shields, or when needed, a face shield. Use a dust mask in dusty work conditions. Also use non-skid safety shoes, hardhat, gloves, dust collection systems, and hearing protection when appropriate. This applies to all persons in the work area. • Work in an area with good cross ventilation. Read and follow the safety instructions provided on the label or safety data sheets for the materials you are spraying. Always use certified safety equipment: NIOSH/OSHA respiratory protection or properly fit-ting face mask designed for use with your specific application. • Do not overreach. Keep proper footing and balance at all times. • Remove keys or wrenches before connecting the tool to an air supply, power supply, or turning on the tool. A wrench or key that is left attached to a rotating part of the tool may cause personal injury. • Secure the work with clamps or a vise instead of your hand when practical. This safety precaution allows for proper tool operation using both hands. • Never touch any exposed metal parts on compressor during or immediately after operation. The compressor will remain hot for several minutes after operation. Do not reach around protective shrouds or attempt maintenance until the unit has been allowed to cool. Page 7 of 36 • The compressed air stream can cause soft tissue damage to exposed skin and can propel dirt, chips, loose particles and small objects at high speed, resulting in property damage or personal injury. Never point any nozzle or sprayer toward any part of the body or at other people or animals. ⚠CAUTION AIR COMPRESSOR USE AND CARE • Do not force the air compressor. Products are safer and do a better job when used in the manner for which they are designed. Plan your work and use the correct product for the job. • Check for damaged parts before each use. Carefully check that the product will operate properly and perform its intended function. Replace damaged or worn parts immediately. Never operate the product with a damaged part. • Do not use a product with a malfunctioning switch. Any power tool that cannot be controlled with the power switch is dangerous and must be repaired by an authorized service representative before using. • Disconnect the power/air supply from the product and place the switch in the locked or off position before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool accidentally. • Store the product when it is not in use. Store it in a dry, secure place out of the reach of children. Inspect the tool for good working condition prior to storage and before re-use. • Use only accessories that are recommended by the manufacturer for use with your product. Accessories that may be suitable for one product may create a risk of injury when used with another tool. Never use an accessory that has a lower operating speed or operating pressure than the tool itself. • Keep guards in place and in working order. Never operate the product without the guards in place. • Do not leave the tool running unattended. • Drain the moisture from the tank on a daily basis. A clean, dry tank will help prevent corrosion. • Pull the pressure relief valve ring daily to ensure that the valve is functioning properly, and to clear the valve of any possible obstructions. • To provide proper ventilation for cooling, the compressor must be kept a minimum of 12 inches (31 cm) from the nearest wall, in a well–ventilated area. • Fasten the compressor down securely if transporting is necessary. Pressure must be released from the tank before transporting. • Protect the air hose and electric cord from damage and puncture. Inspect them weekly for weak or worn spots and replace if necessary. • To reduce the risk of electric shock, do not expose to rain. Store indoors. • Never operate the compressor if the power cord or plug are damaged. Take the equipment to the nearest Authorized Service Center and a specialized technician will replace it. • The compressor is too heavy to be lifted by one person. Obtain assistance from others before lifting. Page 8 of 36 Specific Operation Warnings ⚠WARNING • Repairs attempted by unqualified personnel can result in serious injury or death by electrocution. Any electrical wiring or repairs required on this product should be performed by authorized service center personnel in accordance with national and local electrical codes. • Failure to provide adequate grounding to this product could result in serious injury or death from electrocution. Refer to Grounding Instructions paragraph in the Installation section. Make certain that the electrical circuit to which the compressor is connected provides proper electrical grounding, correct voltage and adequate fuse protection. • Under some conditions and duration of use, noise from this product may contribute to hearing loss. Always wear certified safety equipment: ANSI S12.6 (S3.19) hearing protection. • Exceeding the pressure rating of air tools, spray guns, air operated accessories, tires and other inflatables can cause them to explode or fly apart and could result in serious injury. Follow the equipment manufacturer’s recommendation and never exceed the maximum allowable pressure rating of attachments. Never use compressor to inflate small low-pressure objects such as children’s toys, footballs, basketballs, etc. • Drain air tank daily or after each use. If air tank develops a leak, replace it immediately with a new air tank or replace the entire compressor. Main Parts of Air Compressor Figure A Page 9 of 36 Components 1. Safety Valve: This valve is designed to prevent system failures by relieving pressure from the system when the compressed air reaches a predetermined level. The valve is preset by the manufacturer and must not be removed or modified in any way. 2. Tank Pressure Gauge: The tank pressure gauge indicates the reserve air pressure in the tank. 3. Pressure Switch: the pressure switch automatically starts the motor when the air tank pressure drops below the factory set cut-in pressure. It stops the motor when the air tank pressure reaches the factory set cut-out pressure. 4. Pressure Auto (-) / Off (O) Switch: Place this switch in the AUTO (-) position to provide automatic power to the pressure switch and OFF (O) to remove power at the end of each use. NOTE: ALWAYS ensure the switch is in the OFF (O) position before removing or replacing pressure switch cover. 5. Air Intake Filter: The filter is designed to clean air entering the pump. To ensure the pump continually receives a clean, cool, and dry air supply, the filter must always be clean and the filter intake must be free from obstructions. 6. Air Compressor Pump: The pump compresses air into the air tank. Working air is not available until the compressor has raised the air tank pressure above that required at the air outlet. 7. Belt Guard: This covers the engine pulley, pump flywheel and belt. Never operate without the belt guard in place. 8. Motor: The electric motor powers the pump. The electric motor is equipped with an overload protector to help prevent possible motor burnout. 9. Motor Overload Protector: The motor has a thermal overload protector. If the motor overheats for any reason, the overload protector will shut off the motor. The motor must be allowed to cool down before restarting. To restart: 1. Set the Auto/Off switch to OFF (O) and unplug unit. 2. Allow the motor to cool. 3. Depress the red reset button on the motor. 4. Plug the power cord into the correct branch circuit receptacle. 10. Check Valve: When the air compressor is operating, the check valve is open, allowing compressed air to enter the air tank. When the air compressor reaches cut-out pressure, the check valve closes, allowing air pressure to remain inside the air tank. 11. Air Outlet: Connect an air hose to this outlet. 12. Air Tank: 60 Gallon ASME tank stores the compressed air. 13. Air Tank Drain Valve: The drain valve is located at the base of the air tank and is used to drain condensation at the end of each use. 14. Globe Valve/Air Discharge Valve: (sold separately, not shown) Opens and closes air distribution from compressor. See Air Distribution System. 15. Regulator (sold separately, not shown): An air pressure regulator or a separate air transformer which combines the functions of air regulation and/or moisture and dirt removal is recommended for most applications. See Air Distribution System. Hot Surfaces ⚠WARNING • Never touch any exposed metal parts on compressor during or immediately after operation. The compressor will remain hot for several minutes after operation. Do not reach around protective shrouds or attempt maintenance until the unit has been allowed to cool. Page 10 of 36 Figure B Assembly ⚠WARNING • This compressor was shipped with oil in the pump crankcase. Check oil before operating the air compressor, see Check Oil under Maintenance. Unpack the air compressor. Inspect the unit for damage. If the unit has been damaged in transit, contact the carrier and complete a damage claim. Do this immediately because there are time limitations to damage claims. The carton should contain: • Air compressor, • Owner’s Manual, and • Air Compressor Information Sheet. Check the compressor’s serial label to ensure that you have received the model ordered, and that it has the required pressure rating for its intended use. Installing Hoses ⚠WARNING • Risk of unsafe operation. Firmly grasp hose in hand when installing or disconnecting to prevent hose whip. 1. Ensure the regulated pressure gauge reads 0 PSI. 2. Apply sealant tape to hose threads. 3. Assemble hose to air outlet. IMPORTANT: Do not assemble splitters directly to the air outlet. NOTE: Assembling quick connect bodies to an air outlet and quick connect plugs to hose ends makes connecting and disconnecting hoses simple and easy. Quick connect bodies and plugs are available for purchase from your local dealer or authorized service center. Disconnecting Hoses 1. Ensure regulated pressure gauge reads 0 PSI. Page 11 of 36 2. Remove hose from air outlet. Installation Lubrication and Oil The air compressor pump was filled WITH oil at the manufacturer. Check air compressor pump oil level before operating unit. See Compressor Pump Oil under Pump Oil. Compatibility Air tools and accessories that are run off the compressor must be compatible with petroleum-based products. If you suspect that a material is not compatible with petroleum products, an air line filter for removal of moisture and oil vapor in compressed air is required. NOTE: Always use an air line filter to remove moisture and oil vapor when spraying paint. Location • Place the air compressor in a clean, dry, and well-ventilated area. • Place the air compressor at least 12” (30.5 cm) away from the wall or other obstructions that will interfere with the flow of air. • Place the air compressor as close to the main power supply as possible to avoid using long lengths of electrical wiring. NOTE: Long lengths of electrical wiring could cause power loss to the motor. • The air filter must be kept clear of obstructions that could reduce air flow to the air compressor. Humid Areas In frequently humid areas, moisture may form in the pump and produce sludge in the oil, causing running parts to wear out prematurely. Excessive moisture is especially likely to occur if the unit is located in an unheated area that is subject to large temperature changes. Two signs of excessive humidity are external condensation on the pump when it cools down and a milky appearance in compressor oil. You may be able to prevent moisture from forming in the pump by increasing ventilation or operating for longer intervals. Noise Considerations Consult local officials for information regarding acceptable noise levels in your area. To reduce excessive noise, use vibration mounts or silencers, relocate the unit or construct total enclosures or baffle walls. Anchoring of the Air Compressor ⚠WARNING • Risk of bursting. Excessive vibration can weaken the air tank and cause an explosion. The compressor must be properly mounted. The air compressor MUST be bolted to a level, solid concrete surface. Use 3/8” lag screws, vibration pads, and concrete anchors. If help is needed anchoring the air compressor, consult a licensed contractor. Page 12 of 36 1. Place the air compressor on a solid, level, concrete surface. Make sure the concrete is in good condition without cracks or damage. 2. Mark the surface using the holes in the air compressor feet as a template. 3. Drill holes in the surface for the concrete anchors. Install concrete anchors. 4. Line-up holes in the surface with holes in the air compressor feet.

5. Place the vibration pads (not supplied) between the floor and air compressor feet. See figure C. If needed, use shims to level the unit. Figure C

6. Place the 3/8” lag screws through the air compressor feet, vibration pads, and into the anchors. 7. Torque 3/8” lag screws to 7-10 ft.-lb. (9.5-13.5 Nm). ⚠CAUTION • To prevent damage to tank and compressor on stationary models, the tank must be shimmed so the pump base is level within 1/8” to distribute oil properly. All feet must be supported, shimming where necessary, prior to attaching to the floor. Fasten all feet to floor. We also recommend the use of vibration pads under tank feet. • The shipping pallet is not designed as a base for an operating compressor. Operating the compressor while it is on the pallet will void your warranty. Electrical Power Requirements ⚠WARNING • Risk of electrical shock. Improper electrical grounding can result in electrical shock. The wiring should be done by a qualified electrician. • Improper electrical installation of this product may void its warranty and your fire insurance. Have circuit wiring performed by qualified personnel such as a licensed electrician who is familiar with the current national electrical code and any prevailing local electrical codes. • Risk of electrical shock. Electrical wiring must be located away from hot surfaces such as manifold assembly, compressor outlet tubes, heads or cylinders. Wiring Instructions A qualified electrician needs to know the following before wiring: 1. The amperage rating of the electrical box should be adequate. Refer to the air compressor’s serial label for the unit’s voltage and amperage requirements. Ensure that all wiring is done by a licensed electrician, in accordance with the National Electrical Code. 2. The supply line should have the same electrical characteristics (voltage, cycle, phase) as the motor. Refer to the motor nameplate, on side of motor, for this information. NOTE: The wiring used must be rated for the motor nameplate voltage. Refer to local codes for recommended wire sizes, correct wire size, and maximum wire run; undersize wire causes high amp draw and overheating to the motor. Page 13 of 36 Main Power Panel For best performance and reliable starting, the air compressor must be installed on a dedicated circuit, as close as possible to the electrical power panel. Provide circuit breaker or fuse protection at your main power panel. Use time delay fuses on the circuit, because the compressor will momentarily draw several times its specified amperage when first started. NOTE: A circuit breaker is recommended. If the air compressor is connected to a circuit protected by a fuse, use dual element time delay fuses (Buss FusetronTM type “T” only). Main Power Disconnect Switch Install a main power disconnect switch in the line from the panel to the compressor. The main power disconnect switch must be located near the compressor, for ease of use and safety. When turned OFF, the main power disconnect switch shuts off all power to the compressor. When it is turned ON, the compressor will start and stop automatically, controlled by the pressure switch. Low Voltage Problems Low voltage will cause difficult starting or an overload. Low voltage can be caused by a low supply voltage from the local power company, other equipment running on the same line, or inadequate wiring. If any other electrical devices are drawing from the compressor’s circuit, it may fail to start. Low voltage to the compressor can be caused by a supply wire of insufficient gauge for the distance between the compressor and the power source. The longer the distance, the larger the wire gauge (lower the number) must be, to overcome the inherent voltage loss caused by the wire resistance. Refer to the National Electrical Code to determine proper wire size for your circuit. If the wiring is not adequate, the input voltage will drop by 20 to 40 volts at start-up. Low voltage or an overloaded circuit can result in sluggish starting that causes the circuit breaker to trip, especially in cold conditions. Grounding Instructions This air compressor should be connected to a metallic, permanent wiring system, of an equipment- grounding terminal or lead on the product. Motor Reset ⚠WARNING • Make sure that all guards and shrouds are in place before pressing the reset switch to restart the motor. Motor Reset Switch If the motor shuts down because of overloading, wait 10–15 minutes so the motor can cool down, then press (NEVER force) the reset switch (Figure D) to restart the motor. Page 14 of 36 Figure D Air Distribution System ⚠WARNING • Risk of bursting. Plastic or PVC pipe is not designed for use with compressed air. Regardless of its indicated pressure rating, plastic pipe can burst from air pressure. Use only metal pipe for air distribution lines. Figure E represents a typical air distribution system. The following are tips to remember when setting up the air compressor’s air distribution system. NOTE: Compressed air from oil lube air compressors will contain water condensation and oil mist. Several drains, traps, and filters will be needed to supply air without water (including aerosols) or oil to spray equipment, air tools, and accessories requiring filtered air. Always read the instructions for the air tools and accessories being used. • Use pipe that is the same size as the air tank outlet. Piping that is too small will restrict the flow of air. • If piping is over 100’ (30.5m) long, use the next larger size. • Bury underground lines below the frost line and avoid pockets where condensation can gather and freeze. Apply pressure before underground lines are covered to make sure all pipe joints are free of leaks. • A flexible coupling is recommended to be installed between the globe valve/air discharge outlet and main air distribution line to allow for vibration. • A separate regulator is recommended to control the air pressure. Air pressure from the tank is usually too high for individual air driven tools. • DO NOT install lubricators between the tank or any spray equipment, air tool, or accessory requiring oil- free filtered air. • Drain all traps, filters, and dirt legs daily. Page 15 of 36 Figure E How to Use Your Unit ⚠WARNING • Do not operate this unit until you read this manual for safety, operation, and maintenance instructions. Page 16 of 36 Figure F How to Stop Set the Auto/Off switch to “Off”. Break-In Procedure ⚠WARNING • Risk of property damage. Serious damage may result if the following break-in instructions are not closely followed. This procedure is required before the air compressor is put into service and when the check valve or a complete compressor pump has been replaced. 1. Make sure the Auto/Off switch is in the “Off” position. 2. Check oil level in pump. See the Pump Oil section in the Maintenance section for instructions. 3. Recheck all wiring. Make sure wires are secure at all terminal connections. Make sure all contacts move freely and are not obstructed. 4. Open the drain valve (counter-clockwise) fully to permit air to escape and prevent air pressure build up in the air tank during the break-in period. 5. Move the Auto/Off switch to the “Auto” position. The compressor will start. 6. Run the compressor for 30 minutes. Make sure the drain valve and all air lines are open so there is only a minimal air pressure build-up in tank. NOTE: After about 30 minutes, if the unit does not operate properly, SHUT IT DOWN IMMEDIATELY, and contact Customer Service. Page 17 of 36 7. Check all air line fittings and connections/piping for air leaks by applying a soap solution. Correct if necessary. NOTE: Minor leaks can cause the air compressor to overwork, resulting in premature breakdowns or inadequate performance. 8. Check for excessive vibration. Readjust or shim air compressor feet, if necessary. 9. After 30 minutes, turn the Auto/Off switch to the “Off” position. 10. Close the drain valve. 11. Turn the Auto/Off switch to the “Auto” position. The air receiver will fill to “cut-out” pressure and the motor will stop. The compressor is now ready for use. Before Each Start-Up ⚠WARNING • Risk of unsafe operation. Firmly grasp air hose in hand when installing or disconnecting to prevent hose whip. • Risk of unsafe operation. Do not use damaged or worn accessories. • Risk of bursting. Too much air pressure causes a hazardous risk of bursting. Check the manufacturer’s maximum pressure rating for air tools and accessories. The regulator outlet pressure must never exceed the maximum pressure rating. 1. Place Auto/Off switch to “Off”. 2. Close the drain valve. 3. Visually inspect air lines and fittings for leaks. 4. Check the safety valve. See the Checking Safety Valve section in the Maintenance section. 5. Attach hose and accessories. NOTICE: A regulator MUST be installed when using accessories rated at less than 135 PSI. NOTICE: The hose or accessory will require a quick connect plug if the air outlet is equipped with a quick connect socket. ⚠CAUTION • Risk of unsafe operation. Compressed air from the unit may contain water condensation and oil mist. Do not spray un-filtered air at an item that could be damaged by moisture. Some air tools and accessories may require filtered air. Read the instructions for the air tools and accessories. Operating Instructions ⚠WARNING • Risk of bursting. If any unusual noise or vibration is noticed, stop the compressor immediately and have it checked by a trained service technician. Page 18 of 36 How to Start 1. Turn the Auto/Off switch to “Auto” and allow tank pressure to build. Motor will stop when tank pressure reaches “cut-out” pressure. 2. When the tank pressure reaches “cut-out” pressure, open the globe valve/air discharge valve. IMPORTANT: When using the regulator and other accessories, refer to the manufacturer’s instructions. The compressor is ready for use. Shut-down ⚠WARNING • Risk of unsafe operation. Firmly grasp air hose in hand when installing or disconnecting to prevent hose whip. • Risk of bursting. Drain air tank daily. Water will condense in air tank. If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture. 1. Move Auto/Off switch to the OFF position. NOTE: If finished using compressor, follow steps 2 - 5. 2. Remove hose and accessory. 3. Drain the air tank (see Draining Air Tank under Maintenance). Ensure air tank pressure gauge reads 0 PSI. 4. Allow the compressor to cool down. 5. Wipe air compressor clean. Maintenance ⚠WARNING • Risk of unsafe operation. Unit cycles automatically when power is on. When performing maintenance, you may be exposed to voltage sources, compressed air, or moving parts. Personal injuries can occur. Before performing any maintenance or repair, disconnect power source from the compressor and bleed off all air pressure. • Risk of bursting. If the safety valve does not work properly, over-pressurization may occur, causing air tank rupture or an explosion. • Risk of burn. Tubes, pump head, and surrounding parts are very hot; do not touch these. See the Hot Surfaces section with areas identified in Figure B. Allow compressor to cool prior to servicing. • Risk from flying objects. Always wear certified safety equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3 with side shields). • Risk from noise. Use ear protection ANSI S12.6 (S3.19) as air flow noise is loud when draining. • Risk of bursting. Water will condense in the air tank. If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture. • Drain tank to release air pressure before removing the oil fill cap or oil drain plug. Page 19 of 36 To ensure efficient operation and longer life of the air compressor outfit, a routine maintenance schedule should be prepared and followed. The following routine maintenance schedule is geared to an outfit in a normal working environment operating on a daily basis. If necessary, the schedule should be modified to suit the conditions under which your compressor is used. The modifications will depend upon the hours of operation and the working environment. Compressor outfits in an extremely dirty and/or hostile environment will require a greater frequency of all maintenance checks. NOTE: See Operation section for the location of controls. Maintenance Interval Maintenance Point

Daily Check safety valve Oil leak inspection

Drain air tank Check pump oil level Inspect drive belt Check for any unusual noise/vibration Check for air leaks* Weekly Inspect air filter+ Clean compressor exterior Monthly or every 50 hours Check drive belt tension After first 8 hours and every 100 operating hours Check and tighten all bolts Change pump oil **+ 1 Year or 200 operating hours Check pulley/flywheel alignment * To check for air leaks, apply a solution of soapy water around the joints while the compressor is pumping to pressure and after the pressure cuts out. Look for air bubbles to form. ** The pump oil must be changed after the first 20 hours of operation. Thereafter, when using synthetic blend, non-detergent air compressor oil, change the oil every 200 hours of operation or once a year, whichever comes first. + Perform more frequently in dusty or humid conditions. Page 20 of 36 Checking Safety Valve Before starting the compressor, pull the ring on the safety valve to make sure that the safety valve operates freely. If the valve is stuck or does not operate smoothly, it must be replaced with the same type of valve. Checking Air Filter A dirty air filter will not allow the compressor to operate at full capacity. Keep the air filter clean at all times. 1. Ensure the Auto/Off switch is in the OFF position. 2. Allow the unit to cool. 3. Remove the 3 Phillips screws from the pump head. 4. Remove the small plate, being careful not to drop anything on the exposed valves. 5. Carefully lift out the air filter and screens. NOTE: The screen edges are sharp. 6. Place cleaned or new air filter between the screens and insert back into grooves. Refer to the replacement parts in the Pump Parts List Table. 7. Place the plate back onto the pump head, insert the screws, and

tighten. ⚠CAUTION • Risk of unsafe operation. Do not operate without air filter. Draining Air Tank Figure H

NOTE: All compressed air systems generate condensation that accumulates in any drain point (e.g., tanks, filter, aftercoolers, dryers). This condensate contains lubricating oil and/or substances which may be regulated and must be disposed of in accordance with local, state, and federal laws and regulations. 1. Set the Auto/Off switch to OFF. 2. Remove the air tool or accessory. 3. Pull the ring on the safety valve to allow air to bleed from the tank until the tank pressure is approximately 20 PSI. Release the safety valve ring. 4. Drain the water from the air tank by opening drain valve (counter-clockwise) on bottom of tank. NOTICE: Risk of property damage. Drain water from the air tank may contain oil and rust which can cause stains. 5. After the water has been drained, close the drain valve (clockwise). The air compressor can now be stored. NOTICE: If the drain valve is plugged, release all air pressure. The valve can then be removed, cleaned, and reinstalled. Page 21 of 36 Figure G Pump Oil Compressor Pump Oil ⚠WARNING • Risk of property damage. Use air compressor oil only. Multi-weight automotive engine oils like 10W30 should not be used in air compressors. They leave carbon deposits on critical components, thus reducing performance and compressor life. • Use synthetic blend, non-detergent air compressor oil. • Crankcase oil capacity is approximately 33 fluid ounces (976 ml). Checking Oil 1. The oil level should be to the middle of the sight glass (B). 2. If needed, remove the oil fill plug (A) and slowly add oil until it reaches the middle of the sight glass. Changing Oil 1. Remove the oil fill plug (A). 2. Remove the oil drain plug (C) and drain oil into a suitable container. 3. Replace the oil drain plug (C) and tighten securely. 4. Slowly add compressor oil until it reaches the middle of the sight glass (D). NOTE: When filling the crankcase, the oil flows very slowly into the pump. If the oil is added too quickly, it will overflow and appear to be full. ⚠CAUTION • Overfilling oil will cause premature compressor failure. Do not overfill. 5. Replace oil fill plug (A) and tighten securely. Figure I Page 22 of 36 Belt Replacement / Belt Tension / Motor Pulley & Flywheel Adjustment ⚠WARNING • This unit starts automatically. ALWAYS shut off and disconnect the compressor and bleed all pressure from the system before servicing the compressor, and when the compressor is not in use. Do not use the unit with the shrouds or belt guard removed. Serious injury could occur from contact with moving parts. • Hot surfaces. Risk of burn. Pump head and surrounding parts are very hot; do not touch. See the Hot Surfaces section with areas identified in Figure B. Allow compressor to cool prior to servicing. • Risk of unsafe operation. Unit cycles automatically when power is on. When performing maintenance, you may be exposed to voltage sources, compressed air, or moving parts. Personal injuries can occur. Before performing any maintenance or repair, disconnect power source from the compressor and bleed off all air pressure. Belt Replacement 1. Set the Auto/Off lever to OFF, unplug the unit, and relieve all air pressure from the air tank. 2. Remove the belt guard by removing the 7 screws (see position F in figure J) using a Phillips head screwdriver. 3. Mark the motor position on the saddle.

4. Loosen the motor mounting screws and slide the motor toward the air compressor. 5. Remove the belt and replace with a new one. 6. See the Adjusting Belt Tension before tightening motor mounting screws. Adjusting Belt Tension Figure J

1. Slide the motor into its original position and line the motor up with the mark made earlier on the saddle. 2. Tighten the two outside motor mounting screws enough to hold the motor in place for checking the pulley and flywheel alignment. 3. The belt should deflect 1/2” (13mm) at midway between the pulley and the flywheel when a 10-lb. weight is applied at the midway point. 4. When proper belt tension is achieved, tighten all four motor mounting screws. Torque to 20-25 ft.-lb. (27.1–33.9 Nm).

NOTE: Once the motor pulley has been moved from its factory set location, the grooves of the flywheel and pulley must be aligned to within 1/16” (1.6mm) to prevent excessive belt wear. Verify the alignment by performing the instruction below in Motor Pulley/Flywheel Alignment. Motor Pulley/Flywheel Alignment Figure K

NOTE: Once the motor pulley has been moved from its factory set location, the grooves of the flywheel and pulley must be aligned to within 1/16” (1.6 mm) to prevent excessive belt wear. Page 23 of 36 The air compressor flywheel and motor pulley must be in-line (in the same plane) within 1/16” (1.6 mm) to assure belt retention within flywheel belt grooves. To check alignment, perform the following steps: 1. Set the Auto/Off lever to OFF, unplug the unit, and relieve all air pressure from the air tank. 2. Remove the belt guard. 3. Place a straightedge against the outside of the flywheel and the motor drive pulley.

4. Measure the distance between the edge of the belt and the straightedge at points A1 and A2 in figure L. The difference between the measurements should be no more than 1/16” (1.6 mm). 5. If the difference is greater than 1/16” (1.6 mm), loosen the Figure L

set screw holding the motor drive pulley to the shaft and adjust the pulley’s position on the shaft until the A1 and A2 measurements are within 1/16” (1.6 mm) of each other. 6. Tighten the motor drive pulley set screw. 7. Visually inspect the motor drive pulley to verify that it is perpendicular to the drive motor shaft. Points B1 and B2 of figure L should appear to be equal. If they are not, loosen the setscrew of the motor drive pulley and equalize B1 and B2. 8. Retighten the motor drive pulley setscrew and torque 15-20 ft.-lb. (20.3-27.1 Nm). 9. Reinstall belt guard. Miscellaneous Maintenance Air Compressor Pump Intake and Exhaust Valves Once a year, have a trained service technician inspect the air compressor pump intake and exhaust valves. Inspect Air Lines and Fittings for Leaks 1. Set the Auto/Off lever to OFF, shut off the main power disconnect, and relieve all air pressure from the air tank. 2. Apply a soap solution to all air line fittings and connections/piping. 3. Correct any leaks. IMPORTANT: Even minor leaks can cause the air compressor to overwork, resulting in premature breakdown or inadequate performance. Air Compressor Head Bolts - Torqueing The air compressor pump head bolts should be kept properly torqued. Check the torques of the head bolts after the first five hours of operation. Torque to 14-16 ft./lb. (18.9-21.7 Nm). Service and Adjustments ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE PERFORMED BY A TRAINED SERVICE TECHNICIAN. Page 24 of 36 ⚠WARNING • Risk of unsafe operation. Unit cycles automatically when power is on. When performing maintenance, you may be exposed to voltage sources, compressed air, or moving parts. Personal injuries can occur. Before performing any maintenance or repair, disconnect power source from the compressor and bleed off all air pressure. To Replace or Clean the Check Valve 1. Release all air pressure from the air tank. See Draining Air Tank in the Maintenance section. 2. Set the Auto/Off lever to OFF, shut off the main power disconnect, and relieve all air pressure from the air tank. 3. Using an adjustable wrench, loosen outlet tube nut at the air tank and pump. Carefully move the outlet tube away from the check valve.

4. Using an adjustable wrench, loosen the pressure relief tube nut at the air tank. Carefully move the pressure relief tube away from the check valve. 5. Unscrew the check valve (turn counter-clockwise) using a 7/8” open end wrench. Note the orientation for reassembly. Figure M

6. Using a screwdriver, carefully push the valve disc up and down. NOTE: The valve disc should move freely up and down on a spring which holds the valve disc in the closed position. If not, the check valve needs to be cleaned or replaced. 7. Clean or replace the check valve. A solvent, such as paint or varnish remover, can be used to clean the check valve. 8. Apply sealant to the check valve threads. Reinstall the check valve (turn clockwise). 9. Replace the pressure release tube. Tighten the nuts. 10. Replace the outlet tube and tighten the nuts. 11. Perform the Break-in Procedure. See the Break-in Procedure in the How to Use Your Unit section. ⚠WARNING • Risk of bursting. Do not drill into, weld or otherwise modify air tank or it will weaken. The air tank can rupture or explode. Page 25 of 36 Troubleshooting Failure Possible Cause Corrective Action Air leaks Fittings are not tight Tighten fittings where air can be heard escaping. Check fittings with soapy water solution. DO NOT OVERTIGHTEN. Air leaks in air tank or at air tank welds Defective air tank Air tank must be replaced. Do not repair the leak. Warning: Risk of bursting. Do not drill into, weld or otherwise modify air tank or it will weaken. The air tank can rupture or explode. Air leaks between head and valve plate Leaking seals Contact an authorized service center. Air leaks from safety valve Defective safety valve Operate safety valve manually by pulling on ring. If valve still leaks, it must be replaced. Compressor is not supplying enough air to operate accessories Tighten fittings where air can be heard Fittings are not tight escaping. Check fittings with soapy water solution. DO NOT OVERTIGHTEN. Prolonged excessive use of air Decrease amount of air usage. Compressor is not large enough for accessory Check the accessory air requirement. If it is higher than the SCFM or pressure supplied by your air compressor, a larger compressor is needed to operate accessory. Hole in air hose Check and replace air hose, if required. Restricted air intake filter Clean or replace air intake filter. Loose belt Check belt tension, see Adjusting Belt Tension under Maintenance. Restricted air intake Restricted air intake filter Clean or replace air intake filter. Oil in discharge air Restricted air intake filter Clean or replace air intake filter. Piston rings damaged or worn Contact an authorized service center. Oil level too high Reduce to proper level. See Compressor Pump Oil under Maintenance. Knocking noise Operate safety valve manually by Defective safety valve pulling on ring. If valve still leaks, it must be replaced. Loose belt Check belt tension, see Adjusting Belt Tension under Maintenance. Loose pulley Tighten pulley set screw, torque to 15- 20 ft.-lb. (20.3-27.1 Nm). Page 26 of 36 Failure Possible Cause Corrective Action Loose flywheel Tighten flywheel screw, torque to 14–18 ft.-lb. (20.0–24.4 Nm). Carbon build-up in pump Contact an authorized service center. Belt too tight Check belt tension, see Adjusting Belt Tension under Maintenance. Pump oil is low Add synthetic blend, non-detergent air compressor oil to pump. See Compressor Pump Oil under Maintenance. Excessive belt wear Loose belt Check belt tension, see Adjusting Belt Tension under Maintenance. Loose pulley Tighten pulley set screw, torque 15-20 ft.-lb. (20.3-27.1 Nm). Belt too tight Check belt tension, see Adjusting Belt Tension under Maintenance. Pulley misalignment See Motor Pulley/Flywheel Alignment under Maintenance. Squealing sound Loose belt Check belt tension, see Adjusting Belt Tension under Maintenance. Moisture in pump crankcase Tighten fittings where air can be heard Fittings are not tight escaping. Check fittings with soapy water solution. DO NOT OVERTIGHTEN. Leaking seals Contact an authorized service center. Unit operating in damp or humid conditions Move unit to a dry, well-ventilated area. Detergent type oil being used in pump Drain oil and refill pump with synthetic blend, non-detergent air compressor oil. Extremely light duty cycles Run unit for longer duty cycles. It is recommended to run at high throttle 50- 75% of the run time and idle for 25% of the run time. Piston rings damaged or worn Contact an authorized service center. Cylinder or piston damaged or Contact an authorized service center. worn Compressor worn cylinder finish Contact an authorized service center. Water in pump oil Drain oil and refill pump with synthetic blend, non-detergent air compressor oil. Excessive current draw Check belt tension, see Adjusting Belt Belt too tight Tension under the Belt Replacement / Belt Tension / Motor Pulley & Flywheel Adjustment section. Low voltage/motor overload Check that power supply is adequate and that compressor is on a dedicated circuit. If using extension cord, try using Page 27 of 36 Failure Possible Cause Corrective Action without. If compressor is connected to a circuit protected by a fuse, use dual element time delay fuses (Buss FusetronTM type “T” only). Restricted air passages Inspect and replace transfer tubes or check valve, as required. Compressor won’t start in cold temperatures Detergent type oil being used in pump Drain oil and refill pump with synthetic blend, non-detergent air compressor oil. Too much back pressure in tank Open drain valve when starting motor. Compressor too cold Move compressor to a warmer location. Compressor stalls Low voltage motor Furnish adequate power. Bad check valve Replace check valve. Seized pump Contact an authorized service center. Overheating Restricted air passages Inspect and replace transfer tubes or check valve, as required. Poor ventilation Relocate compressor to an area with cool, dry, well-circulated air, at least 12 inches from the nearest wall. Dirty cooling surfaces Clean all cooling surfaces thoroughly. Page 28 of 36 Air Compressor Parts Diagram Figure N Air Compressor Parts List Reference Part Number Part Description Quantity 1 125-0256 Beltguard (outer) 1 2 061-0152 Plastite screw 7 3 064-0003 Elbow, 90° 1 4 125-0257 Beltguard (inner) 1 5 061-0238 Setscrew, 5/16-18 x .38 2 6 146-0016 Key 1 7 007-0079 V-Belt, A44 1 8 006-0173 Pulley 1 9 026-0233 Cord, interconnect 1 10 059-0474 Bolt, 3/4” whiz lock hex 4 11 021-0486 Tank assembly (includes items 11A-12) 1 11a 512-0041 Bushing, 2” NPSM x 1/4” NPT 1 11b 072-0006 Petcock 1 11c 513-0001 O-Ring 2” 2 11d 512-0043 Bushing, 2” NPSM x 3/4” NPT 1 Page 29 of 36 Reference Part Number Part Description Quantity 12 098-3870 Label, warning 1 13 059-0475 Screw, 1/4-20 3 14 059-0473 Bolt, .315-18 x 1.25” 4 15 S040-0354 Pump assembly, 755H (for pump replacement parts see pages 31 and 32) 1 16 068-0092 Connector 1 17 058-0007 Nut, 3/8” O.D. tube 2 18 S145-0730 Tube, transfer 1 19 S145-0731 Tube, bleeder 1 20 062-0001 Plug, 1/8” x 5/16” 1 21 031-0037 Check Valve, 1/2” x 3/8” 1 22 See page 33 Switch assembly 1 23 065-0004 Nipple, 1/4”-18 x 2.36” 1 24 160-0361 Motor (Marathon/Regal) (See capacitor table below) 1 25 098-2856 Label, warning (not shown) 1 26 058-0125 Nut, 5/16-18 4 27 059-0477 Screw, 1/4-20 UNC x .50 1 28 098-3031 Label, warning 1 Capacitors Start capacitor Start capacitor cover Run capacitor Run capacitor cover Marathon/ Regal Motor Capacitors 166-0218 Marathon/Regal P/N - 81.409.1.19 166-0220 Marathon/Regal P/N - 178210-003 166-0219 Marathon/Regal P/N - 81.409.2.113 166-0221 Marathon/Regal P/N - 18.14.1.17 Page 30 of 36 Pump Parts Diagram Pump Parts List Reference Part Number Part Description Quantity 1 059-0424 Screw, M4 x 8 3 2 060-0227 Lock washer, M4 3 3 042-0112 Inlet cover 1 4 118-0032 Screen 2 5 019-0220 Filter, felt 1 6 059-0412 Screw, M8x65 4 7 060-0222 Lock washer, M8 9 8 042-0108 Head assembly 1 9 059-0465 Screw, M8x40 4 10 046-0283 Gasket, head 1 11 043-0180 Valve plate assembly (includes items 10 and 12) 1 Page 31 of 36 Reference Part Number Part Description Quantity 12 046-0282 Gasket, cylinder 1 13 059-0415 Screw, M8x20 12 14 050-0061 Cylinder 1 15 046-0281 Gasket, crankcase 1 16 049-0048 Crankcase (includes item 22) 1 17 056-0096 Breather 1 18 077-0185 Cap 1 19 059-0418 Screw, M6 x 20 6 20 060-0220 Lock washer, M6 6 21 046-0280 Gasket 1 22 051-0099 Bearing 205 1 23 062-0075 Oil drain plug, 3/8” NPT 1 24 032-0126 Oil sight glass with O-ring 1 25 053-0100 Crankshaft 1 26 051-0100 Bearing 206 1 27 046-0284 Gasket 1 28 077-0172 Carrier 1 29 046-0285 Oil seal 1 30 ** 044-0064 Flywheel, 12” A groove 1 31 ** 146-0026 Key, 5MM x 5 MM 1 32 ** 060-0228 Flywheel washer 1 33 ** 059-0419 Screw, M8 x 25 1 35 047-0086 Rod 2 36 048-0116 Piston assembly 2 37 054-0235 Ring set 2 38 165-0264 Overhaul kit (includes items 1-6, 8-9, 11, 35, 37 and 40) 1 39 042-0116 Head and valve plate assembly (includes items 1-6, 8- 9, 10, 11 and 12) 1 40 046-0279 Gaskets, complete set (includes items 6, 9, 10, 12, 15, 21, 27 and 29) 1 S040-0354 Pump assembly (includes items 1-29 and 35-37) 1 ** Must be purchased separately Page 32 of 36 Switch Assembly Parts Diagram Switch Assembly Parts List Reference Part Number Part Description Quantity 1 032-0025 Gauge, 300# 1/4” bottom connect 1 2 034-0226 Switch, pressure (includes items 3-4 and 7) 1 3 071-0033 Strain relief 1 4 061-0216 Screw 1 5 136-0005 Valve, ASME 1 6 062-0035 Plug, 1/4” 1 7 136-0090 Valve, bleeder 1 Replacement Parts • For replacement parts and technical questions, please call Customer Service at 1-888-895-4549. • Not all product components are available for replacement. The illustrations provided are a convenient reference to the location and position of parts in the assembly sequence. • When ordering parts, the following information will be required: item description, item model number, item serial number/item lot date code, and the replacement part reference number. • The distributor reserves the rights to make design changes and improvements to product lines and manuals without notice. Page 33 of 36 Limited Warranty Dear Valued Customer: The NorthStar® Product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a NorthStar® product, you show a desire for quality and durability. Like all mechanical equipment, this unit requires a due amount of care. Treat this unit like the high-quality piece of machinery it is. Neglect and improper handling may impair its performance. Please thoroughly read the instructions and understand the operation before using your product. Always contact NorthStar® Product Support at 1-888-895-4549 prior to having any service or warranty work performed, as some services performed by parties other than NorthStar® approved service centers may void this warranty. This warranty is in lieu of any other warranty expressed or implied and NorthStar® assumes no other responsibility or liability outside that expressed within this warranty. Limited Warranty NorthStar® shall warranty any piece of equipment manufactured, or parts of equipment manufactured, to be free from defects in material or workmanship for a period of: NorthStar® Warranty Item # Consumer Warranty Period Commercial Warranty Period 75711 4 years from date of purchase by user 2 years from date of purchase by user “Consumer use” means personal residential household use by a consumer. “Commercial use” means all other uses, including use for commercial, income producing, or rental purposes or when purchased by a business. This warranty applies to the original purchaser of the equipment (verification of purchase, in the form of a receipt, is the responsibility of the buyer), is non-transferable, and covers parts and labor. Parts will be replaced or repaired at no charge, except when the equipment has failed due to lack of proper maintenance. If a part is no longer available, the part may be replaced with a similar part of equal function. Any misuse, abuse, alteration, or improper installation or operations will void warranty. Determining whether a part is to be replaced or repaired is the sole decision of NorthStar®. NorthStar® will not provide for replacement of complete products due to defective parts. Any costs incurred due to replacement or repair of items outside of a NorthStar® approved facility is the responsibility of the buyer and not covered under warranty. Transportation costs to and from the service center is the responsibility of the customer. For technical repairs, a service center may be dispatched to conduct the repair on-site. In addition to the normal warranty, NorthStar® shall warrant any normal wear item from defects in material or workmanship for a period of 90 days from the date of purchase by user. Normal wear items include, but are not limited to, belts, sheaves, flywheels, check valves, pressure switches, air unloaders, throttle controls, electric motors, brushes, regulators, O-rings, pressure gauges, tubing, piping, fittings, fasteners, wheels, quick couplers, gaskets, seals, air filter housings, piston rings, connecting rods, and piston seals. This warranty specifically excludes the following items: routine maintenance items such as oil, lubricants, and air filters, as well as changing oil, air filters, belt tensioning, etc., fall under the owner’s responsibility. Additional exclusions include: freight damage, failures resulting from neglect, accident, or abuse, induction motors when operated from a generator, oil leaks, air leaks, oil consumption, leaky fittings, hoses, petcocks, bleeder tubes, and transfer tubes. Additional exclusions include: loss of running time, inconvenience, loss of income, or loss of use. Additional exclusions include: failure of parts due to damage caused by accident, fire, flood, windstorm, or acts of God, Applications not approved by NorthStar® in writing, corrosion caused by chemicals, use of replacement parts which do not conform to manufacturer’s specifications, and damage related to rodent and/or insect infestation and damage caused by vandalism. Page 34 of 36 EXCEPT AS PROVIDED HEREIN, NORTHSTAR® BY AND THROUGH ITS OWNER NORTHERN TOOL & EQUIPMENT COMPANY, INC. (“NTE”) HEREBY DISCLAIMS ALL WARRANTIES (WHETHER EXPESS, STATUTORY, OR IMPLIED) INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. YOU AGREE THAT YOUR SOLE AND EXCLUSIVE REMEDY UNDER THIS LIMITED WARRANTY SHALL BE THE REPAIR OR REPLACMENT OF YOUR NORTHSTAR® PRODUCT, AT NTE’S DISCRETION. NTE SHALL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL, DIRECT, INDIRECT, OR PUNITIVE DAMAGES ARISING OUT OF YOUR USE OF THE NORTHSTAR® PRODUCT. You should also be aware of the following: • Repairs requiring overtime, weekend rates, or any other charges beyond the standard shop labor rate are not covered. • Time required for orientation training for the service center to gain access to the product, or additional time due to inadequate egress. • Damage caused by incorrect voltage, improperly wired, or failure to have a certified licensed electrician install the compressor, will render this warranty null and void. • Damage caused from inadequate filter maintenance. • Pump wear or valve damage caused by using oil not specified. • Pump wear or damage caused by any oil contamination. • Pump wear or valve damage caused by failure to follow proper maintenance guidelines. • Operation below proper oil level or operation without oil. • Power Equipment needs periodic parts and service to perform well, and this warranty does not cover instances when normal use has exhausted the life of a component or the motor. This warranty does not cover any personal injury or damage to surrounding property caused by failure of any part. Repair or replacement of parts does not extend the warranty period. Please fill in the following information and have it on hand when you call for a warranty claim. Customer Number: ______________________________________________________________ Date of Purchase: _______________________________________________________________ NorthStar® Serial Number: _________________________________________________________ Item Number: __________________________________________________________________ Page 35 of 36 Distributed by: Northern Tool & Equipment Company, Inc. Burnsville, Minnesota 55306 northerntool.com Made in U.S.A. of Domestic and Foreign Parts 200-3182-A_4-20-20 Page 36 of 36


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