SEARS CRAFTSMAN 921.166370 (01) PDF Document

The SEARS CRAFTSMAN 921.166370 should be operated on a dedicated 15 amp circuit. If the circuit does not have 15 free amps available, a larger circuit must be used. The circuit fuse type must be a time delay.

You must use a 3-wire extension cord that has a 3-blade grounding plug and a 3-slot receptacle. All extension cords must be 12 gauge with a maximum length of 25 feet. An undersized cord will cause a drop in line voltage, resulting in loss of power and overheating.

Always wear ANSI Z87.1 approved safety glasses with side shields when the SEARS CRAFTSMAN 921.166370 is in use. Additionally, when draining the tank, always use ear and eye protection.

The SEARS CRAFTSMAN 921.166370 should always have adequate space, specifically 12 inches on all sides of the unit, and be located in a clean, dry, and well-ventilated environment.

Operation of the SEARS CRAFTSMAN 921.166370 should always be in a position that is stable. Never use the unit on a rooftop or elevated position that could allow the unit to fall or be tipped over. Use additional air hose for elevated jobs.

Attach the handle to the frame of the SEARS CRAFTSMAN 921.166370 with the saddle bolts from the outside of the handle and the knobs on the inside.

The SEARS CRAFTSMAN 921.166370 requires SAE-30 non-detergent (API CG/CD heavy duty motor oil). Under extreme cold weather conditions of 32 degrees Fahrenheit or below, use SAE-10 weight oil.

The oil capacity for the SEARS CRAFTSMAN 921.166370 is 90 mL or 3 ounces. Fill until the oil reaches the top of the red dot in the sight glass.

Step 1. Set the Auto-On/Off lever to the Off position.

Step 2. Inspect the SEARS CRAFTSMAN 921.166370, air hose, and any accessories/tools for damage or obstruction.

Step 3. Close the drain valve.

Step 4. Check the oil level of the pump.

Step 5. Connect the air hose to the quick connect socket.

Step 6. Plug the power cord into the proper receptacle.

Step 7. Turn the Auto-On/Off lever to the On-Auto position.

Step 8. Adjust the regulator to the desired PSI.

Step 1. Set the Auto-On/Off lever to the Off position.

Step 2. Unplug the power cord from the receptacle.

Step 3. Set the outlet pressure to zero on the regulator.

Step 4. Remove any air tools or accessories.

Step 5. Open the drain valve to allow air to bleed from the tank, then close it once the air has bled.

Step 1. Turn off and unplug the SEARS CRAFTSMAN 921.166370 from the power source.

Step 2. Turn the knob on the bottom of the dolly counter-clockwise until it releases (1 to 2 revolutions).

Step 3. While holding the dolly cart handle, lift up on the SEARS CRAFTSMAN 921.166370 handle to remove it.

Step 1. Ensure the SEARS CRAFTSMAN 921.166370 is off and unplugged.

Step 2. Align the rubber isolators with the depressions in the dolly frame.

Step 3. Insert the knob bolt and rotate clockwise until tight. If it does not tighten, reposition and try again.

The following table outlines the maintenance schedule for the SEARS CRAFTSMAN 921.166370:

A defective check valve results in a constant air leak at the pressure relief valve when there is pressure in the tank and the SEARS CRAFTSMAN 921.166370 is shut off. Drain the tank, then remove and clean or replace the check valve.

Check the torque on the head bolts of the SEARS CRAFTSMAN 921.166370. If the leak remains, contact a service technician.

Operate the safety valve on the SEARS CRAFTSMAN 921.166370 manually by pulling on the ring. If the valve continues to leak when in the closed position, it should be replaced.

If there is an excessive amount of pressure drop, replace the regulator. Note that you should adjust the regulated pressure under flow conditions (while the accessory is being used). It is normal for the gauge to show minimal pressure loss during initial use of the tool.

Move the Auto-On/Off lever on the SEARS CRAFTSMAN 921.166370 to the Off position. If the unit does not shut off, unplug it from the power source and contact a service technician.

Make sure the power cord is plugged in and the switch is on. Inspect the circuit box for the proper size fuse. If the fuse was tripped, reset it and restart the SEARS CRAFTSMAN 921.166370. If repeated tripping occurs, replace the check valve or contact a service technician.

Remove the water in the tank by draining after each use. High humidity environments will cause excessive condensation. Utilize water filters on your air line. Note that water condensation is not caused by a malfunction of the SEARS CRAFTSMAN 921.166370.

Never drill into, weld, or otherwise modify the air tank of the SEARS CRAFTSMAN 921.166370 or it will weaken. The tank can rupture or explode. The tank cannot be repaired. Discontinue use of the unit.

The SEARS CRAFTSMAN 921.166370 has a 50% duty cycle. Do not run it more than 30 minutes in one hour, as doing so could damage the unit.

Step 1. Turn the unit off and unplug the power cord.

Step 2. Remove all air hoses, accessories, and air tools.

Step 3. Perform the daily maintenance schedule.

Step 4. Open the drain valve to bleed all air from the tank.

Step 5. Close the drain valve.

Step 6. Store the SEARS CRAFTSMAN 921.166370 in a clean and dry location.

The Tank Safety Valve on the SEARS CRAFTSMAN 921.166370 is used to allow excess tank pressure to escape into the atmosphere. This valve should only open when the tank pressure is above the maximum rated pressure.

The pressure switch on the SEARS CRAFTSMAN 921.166370 controls the power to the motor and also the cut-in/cut-out pressure settings. This switch serves as the Auto-On/Off positions for the unit.

The pressure relief valve on the SEARS CRAFTSMAN 921.166370 is located on the side of the pressure switch and is designed to automatically release compressed air when the air compressor reaches cut-out pressure. The released air should only escape momentarily.

The air pressure coming from the tank of the SEARS CRAFTSMAN 921.166370 is controlled by the regulator. To increase the pressure, turn the knob clockwise; to decrease the pressure, turn the knob counter-clockwise.

The air intake filter provides clean air to the pump of the SEARS CRAFTSMAN 921.166370 and must always be kept free of debris. Check it on a daily basis or before each use.

No break-in procedure is required for the SEARS CRAFTSMAN 921.166370. This product is factory tested to ensure proper operation and performance.

Inflation and cleaning accessories packaged with the SEARS CRAFTSMAN 921.166370 should only be operated at a maximum pressure of 90 PSI.

The SEARS CRAFTSMAN 921.166370 is equipped with a cord having a grounding wire with an appropriate grounding plug. This must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances.

Do not modify the plug provided with the SEARS CRAFTSMAN 921.166370. If it will not fit the outlet, have the proper outlet installed by a qualified electrician.

An adapter should not be used with the SEARS CRAFTSMAN 921.166370.

If you are unsure of assembly instructions or experience difficulty in the assembly of the SEARS CRAFTSMAN 921.166370, please call your local service department for further instruction.

No, never utilize the SEARS CRAFTSMAN 921.166370 in the rain or wet conditions.

Never operate the SEARS CRAFTSMAN 921.166370 near combustible materials, gasoline, or solvent vapors. If spraying flammable materials, locate the air compressor at least 20 feet away from the spray area.

No, the SEARS CRAFTSMAN 921.166370 does not provide breathable air for anyone or any auxiliary breathing device.

Always drain the SEARS CRAFTSMAN 921.166370 tank daily or after each use to prevent corrosion.

Never try to make any modifications to the tank of the SEARS CRAFTSMAN 921.166370. Never modify the factory settings which control the tank pressure or any other function.

The pump of the SEARS CRAFTSMAN 921.166370 is an oil-lube direct drive.

The SEARS CRAFTSMAN 921.166370 features a 1.0 HP (Induction) motor.

The air tank capacity of the SEARS CRAFTSMAN 921.166370 is 4 gallons.

The SEARS CRAFTSMAN 921.166370 has a cut-in pressure of 95 PSI and a cut-out pressure of 125 PSI.

The SEARS CRAFTSMAN 921.166370 is rated at 2.4 SCFM at 90 PSI.

The SEARS CRAFTSMAN 921.166370 has a bore of 1.65 inches and a stroke of 1.26 inches.

The SEARS CRAFTSMAN 921.166370 requires 120 VAC, single phase.

Never operate the SEARS CRAFTSMAN 921.166370 indoors or in a confined area.

The tank drain valve on the SEARS CRAFTSMAN 921.166370 is used to drain condensation from the air tank and is located at the bottom of the tank.

To release the air hose on the SEARS CRAFTSMAN 921.166370, push the collar back on the quick connect socket.

When you insert the quick connect plug into the socket on the SEARS CRAFTSMAN 921.166370, the collar snaps forward to lock the plug into place, providing an air tight seal.

Yes. If the SEARS CRAFTSMAN 921.166370 is in operation, all guards and covers should be attached or installed correctly. If any guard or cover has been damaged, do not operate the equipment. The power cord should be free of any moving parts.

Yes. Items such as the pump and outlet tube of the SEARS CRAFTSMAN 921.166370 are normally hot during and after operation. Allow the equipment time to cool before maintenance.

If the tank of the SEARS CRAFTSMAN 921.166370 develops a leak, replace the air compressor. Never use the unit after a leak has been found.

The oil sight gauge on the SEARS CRAFTSMAN 921.166370 allows you to visually check that the oil level reaches the top of the red dot.

This indicates that there is no reserve air pressure in the tank of the SEARS CRAFTSMAN 921.166370.

Any electrical issues or repairs for the SEARS CRAFTSMAN 921.166370 should be performed by authorized personnel such as an electrician and should comply with all national and local electrical codes.

Check with a qualified electrician or service personnel if you are in doubt as to whether the SEARS CRAFTSMAN 921.166370 is properly grounded.