A-DEC 541PRO (01) PDF Document

To turn on the A-DEC 541PRO delivery system, use the master toggle. The master toggle is located under the worksurface.

To save energy and reduce the chance of air leaks, turn off the system power for the A-DEC 541PRO delivery system at the end of the work day and before longer periods of non-use.

To adjust the height of the worksurface and the instrumentation arm on the A-DEC 541PRO delivery system:

1. Lift up the instrument arm or worksurface.

2. Slide the adjustment ring to the desired position.

3. Lower the instrument arm or worksurface post until the ring is securely seated.

You can adjust the instrument holders independently or as a set on the A-DEC 541PRO delivery system. To position them:

1. Pull the holder, or holders, away from the touch control/handle.

2. Rotate to the desired position and release.

CAUTION: Twisting the holder without pulling it away from the adjacent one will damage the mechanism.

To install the A-DEC syringe tip, push the tip in until you feel two clicks. Press both buttons simultaneously for the air/water spray.

To convert the standard high-volume evacuator (HVE) and saliva ejector for left-handed operation on the A-DEC 541PRO delivery system, push the control valve out of the valve body, rotate the control valve 180°, and push it back into place.

NOTE: Be sure to reinstall the valve on the same side of the valve body. Otherwise, the HVE or saliva ejector will not operate properly.

To operate a handpiece with the disc foot control on the A-DEC 541PRO delivery system, press on the disc. Push down to increase speed.

To run the handpiece with or without water coolant, press on the touchscreen to turn the coolant on or off, or flip the wet/dry toggle. Then press on the disc.

To run the optional accessory/chip blower, press the accessory/chip blower button.

To operate the intraoral camera, press on the disc to capture an image.

To operate a handpiece with water coolant using the lever foot control on the A-DEC 541PRO delivery system, move the lever to the left. Move farther to increase speed.

To operate a handpiece without water coolant, move the lever to the right. Move farther to increase speed.

To run the optional accessory or chip blower, press the accessory/chip blower switch.

To operate the intraoral camera, move the lever to the left or right to capture an image.

NOTE: On systems with a lever foot control, water coolant cannot be activated, or deactivated, from the touchscreen.

NOTE: The lever foot control wet/dry function can be reversed by a technician. For more details, contact your authorized A-DEC dealer.

The air coolant knob on the A-DEC 541PRO delivery system adjusts air flow to all handpiece positions simultaneously. Each water coolant knob adjusts water flow to a single handpiece position.

Use the following process to adjust handpiece coolant atomization:

1. Ensure that a bur is inserted into each handpiece you expect to adjust.

2. Withdraw a handpiece.

3. Select the air coolant icon on the touchscreen to turn off the air coolant.

4. Do one of the following:

* Disc foot control: use the touchscreen or wet/dry toggle to turn on the water coolant, then press the disc all the way down.

* Lever foot control: move the lever all the way to the left to run the handpiece at full speed with water.

5. Gently turn the water coolant adjustment knob (to the corresponding handpiece) clockwise until coolant flow stops. Then slowly turn the knob counterclockwise until water droplets are expelled from every water port on the handpiece head.

6. Release the foot control and return the handpiece to its holder.

7. Repeat steps 2 through 6 for each handpiece.

8. Lift the handpiece from the holder and press the air coolant icon on the touchscreen to turn on the air coolant.

9. Fully press the foot control.

10. Locate the air coolant adjustment knob. Adjust the air coolant until you achieve the desired atomization at the cutting surface of the bur. Counterclockwise increases flow.

CAUTION: Do not continue turning the air coolant adjustment knob counterclockwise after the air coolant stops increasing. The stem may come out of the control block.

11. Use the water coolant adjustment knob, as needed, to make any additional fine adjustments in water coolant output.

12. Repeat steps 8 through 11 for each handpiece.

To adjust the handpiece drive air pressure on the A-DEC 541PRO delivery system, first remove the delivery system covers by locating the hole directly under the delivery system and pulling the covers apart. To replace, align the covers and snap together.

In order to read drive air pressure from the DS7 touchscreen, a handpiece must be attached to the tubing. To access the drive air pressure settings:

1. Withdraw the handpiece.

2. On the touchscreen, select and hold the adjustment bar.

3. Scroll down to Drive Air, select Drive Air Pressure, then complete the following steps:

4. With the handpiece withdrawn, do one of the following:

* Disc foot control: flip the wet/dry toggle to dry, and press the disc all the way down.

* Lever foot control: move the lever all the way to the right.

5. Locate the corresponding drive air control stem under the delivery system control head.

6. Refer to the touchscreen while you adjust the drive air pressure to meet the handpiece manufacturer’s specifications. Turn the control stem clockwise to decrease flow and counterclockwise to increase flow.

WARNING: Shock hazard. When you remove or replace the covers, take care not to damage any wiring or tubing. Verify that the covers are secure after you replace them.

CAUTION: Exceeding the manufacturer’s recommended drive air pressure increases the risk of damage and may significantly decrease the life of your handpiece components. For the proper drive air pressure, see the handpiece manufacturer’s Instructions for Use.

A-DEC recommends barrier protection for all applicable touch and transfer surfaces on the A-DEC 541PRO delivery system. Touch surfaces are areas that come into contact with hands and become potential cross-contamination points during dental procedures. Transfer surfaces are areas that come into contact with instruments and other inanimate objects.

In the USA, barriers must be produced under the Current Good Manufacturing Practice (CGMP) as specified by the U.S. Food and Drug Administration (USFDA). For regions outside the USA, refer to the medical device regulations specific to your location.

NOTE: For proper use and disposal of barriers, see the barrier manufacturer’s Instructions for Use.

IMPORTANT: For recommendations on cleaning and chemical disinfection of touch and transfer surfaces (where barrier protection is not applicable or when barriers are compromised), please see the A-DEC Equipment Asepsis Guide (p/n 85.0696.00).

A-DEC recommends that you use ICX Renew® dental unit waterline shock treatment before you use the A-DEC 541PRO delivery system for the first time. For on-going waterline maintenance, A-DEC recommends a three-part protocol:

• Continuous use of A-DEC ICX® waterline treatment tablets

• Regularly monitor the water quality in your dental equipment

• Shock treatment whenever the test results exceed your established water quality action level

IMPORTANT: For complete details on how to maintain good water quality, see the appropriate Instructions for Use provided with your A-DEC waterline maintenance products.

Use the handpiece flush feature on the A-DEC 541PRO delivery system to move a high volume of water through the handpiece tubing. To flush the tubing:

1. Disconnect the handpieces and hold the tubing over a sink, cuspidor bowl, or basin.

2. Select the flush icon at the bottom of the touchscreen for the flush menu.

3. Use the manual or timed controls on the touchscreen to flush the tubing. The solid colored dot indicates which handpiece tubing is withdrawn.

NOTE: Flush all handpiece tubing (air and waterlines) in accordance with the regulations in your area. If no regulations exist, flush the tubing for a minimum of 20–30 seconds at the beginning of the day and after each patient.

To maintain the oil collector on the A-DEC 541PRO delivery system:

1. Turn the oil collector housing key clockwise to unlock, then pull out the housing.

2. Remove and replace the old cotton gauze (use two 2″ x 2″ [51 mm x 51 mm] pads folded in half).

NOTE: Do not replace the cotton roll in the right corner of the oil collector. This is a brake muffler that rarely needs replacement.

3. Reinsert the housing and turn the key counterclockwise to lock.

To replace the solids collector screen on the A-DEC 541PRO delivery system:

1. Turn off the vacuum or open the HVE control valve.

2. Remove the solids collector cap.

CAUTION: Do not empty the screen into your cuspidor. Doing so could plug the drain.

3. Remove the solids collector screen and discard according to your local regulations.

NOTE: When you replace the solids collector cap, ensure that the keyed cutout faces down, or it will cut off the vacuum flow.

4. Insert a new screen in the solids collector and replace the cap.

WARNING: Infectious waste may be present. Follow asepsis protocol to prevent cross contamination.

TIP: To obtain replacement solids collector screens, contact your authorized A-DEC dealer and reference the Kerr® Dispos-a-Trap,™ p/n 5512.

To clean and disinfect the HVE and saliva ejector valve body assembly on the A-DEC 541PRO delivery system without disconnecting from the vacuum system:

1. Remove the vacuum tip from the HVE or saliva ejector valve body assembly. Discard disposable vacuum tips.

2. Clean the valve body assembly to remove visible soil using a disinfectant wipe or spray solution. Keep the valve body assembly wet according to the manufacturer’s recommended contact time. Repeat, if necessary, until the valve body assembly is visibly clean.

3. Disinfect the valve body assembly using a new disinfectant wipe or spray solution. Keep the valve body assembly wet according to the manufacturer’s recommended contact time.

4. Allow the valve body assembly to air dry.

5. Operate the HVE and the saliva ejector valves several times to verify that they rotate smoothly.

CAUTION: Clean the valve body assembly as soon as possible after treating each patient. Do not allow blood and debris to dry on instruments. If you cannot clean it immediately, keep the valve body assembly moist.

NOTE: Use an intermediate-level EPA-registered hospital-grade disinfectant containing a tuberculocidal claim with high-dilution water-based phenolic formulation or quaternary ammonium compound with less than 25% isopropanol.

NOTE: If using a spray solution, spray on a soft, low-lint wipe to apply solution to the valve body assembly.

To routinely maintain and sterilize the HVE and saliva ejector on the A-DEC 541PRO delivery system when disconnected from the vacuum system:

1. Remove the valve body assembly from the vacuum line by pulling it away from the tubing at the tailpiece.

2. Disassemble the valve body by pushing the control valve out of the valve body.

3. Clean soiled valve body components using a soft, low-lint wipe.

4. Prepare a warm (32-43°C [90-110°F]) detergent solution (neutral pH enzymatic detergent or alkaline non-enzymatic detergent), according to the manufacturer’s recommended instructions.

5. Soak soiled valve body components in the prepared detergent solution for at least one minute.

6. Remove and inspect O-rings. Discard and replace, if damaged.

7. Use a soft, nylon-bristle brush, or equivalent, to scrub the:

* Exposed surfaces of the valve body components and O-rings, while submerged, for a minimum of 30 seconds or until all visible soil has been removed.

* Interior lumen of the valve body at least three times (in and out), clearing any visible soil from brush bristles.

8. Rinse the cleaned valve body components under flowing, warm (32-43°C [90-110°F]) potable water for a minimum of 30 seconds.

9. Allow valve body components to air dry.

10. Sterilize the valve body components according to the following:

* Dynamic air-removal sterilizers: 4 minutes at 132-135°C (270-275°F)

* Gravity-displacement sterilizers: 30 minutes at 121-123°C (250-254°F)

11. Allow the load to dry for 30 minutes before removing it from the sterilizer. Ensure the valve body components are completely dry before proceeding.

CAUTION: Use only silicone lubricant when lubricating the black O-rings in A-DEC instruments. Petroleum-based products will cause permanent damage to the O-rings.

12. Prior to use, lubricate O-rings with A-DEC silicone lubricant, and reassemble the valve body assembly.

13. Reinstall the valve body assembly on the tubing tailpiece.

14. Operate the HVE and the saliva ejector control valves several times to verify that they rotate smoothly.

NOTE: A-DEC valve body assemblies are heat tolerant for sterilization. Users may sterilize at their discretion.

CAUTION: Disposable HVE and saliva ejector tips for the A-DEC 541PRO delivery system are not sterilizable and should not be reused.

Replace disposable HVE and saliva ejector tips after each use.

NOTE: Select tips that are compatible with your HVE and saliva ejector openings. See “A-DEC HVE/Saliva Ejector Tip Connections” for specifications.

To replace the bulb in your fiber-optic 5-hole silicone or vinyl tubing for the A-DEC 541PRO delivery system:

1. Disconnect the handpiece and quick-connector coupling from the tubing.

2. Pull back the metal handpiece nut.

3. Slide back the metal portion of the handpiece terminal (silicone tubing only).

4. Replace the bulb.

5. Reinsert the metal portion of the terminal into the plastic portion (silicone tubing only).

6. Carefully slide the handpiece nut back over terminal.

IMPORTANT: To replace the bulb in your handpiece or quick-disconnect coupling, see your handpiece Instructions for Use.

The system utilities on the A-DEC 541PRO delivery system are located in the cabinet base and typically include the electrical outlet, as well as the system hookups for air, water, and vacuum. To access, open the doors of the cabinet, then lift and remove the bottom panel.

WARNING: Shock hazard. When you remove or replace the covers, take care not to damage any wiring or tubing. Verify that the covers are secure after you replace them.

For maintenance, contact your local authorized A-DEC dealer.

The maximum accessory load capacity for the A-DEC 541PRO delivery system is 20 lb (9.1 kg), in addition to integrated accessories.

The HVE/Saliva Ejector Tip Connections for the A-DEC 541PRO delivery system are:

* Standard 11 mm HVE: 11 mm (0.433″) diameter opening (for standard HVE tips)

* Large bore 15 mm HVE: 15 mm (0.591″) diameter opening (for large bore HVE tips)

* Standard 6 mm SE: 6 mm (0.236″) diameter opening (for standard SE tips)

The maximum mesh opening size for the Solids Collector Screen/Filter on the A-DEC 541PRO delivery system is 0.047″ (1.194 mm) ≡ 1200 µm.