Medivators ADVANTAGE PLUS Especificaciones técnicas
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 1 of 12
These instructions should be followed to perform preventive maintenance on the Advantage Plus
reprocessor.
Before commencing work on the reprocessor, ensure that you have the appropriate parts and tools.
Parts Required
1. 78400-346 Advantage Plus Annual PM Kit
Tools Required
1. Philips screwdriver
2. Straight blade screwdriver
3. 2.5mm Allen wrench
4. Needle nose pliers
5. Tubing cutter
6. Pliers
7. 7mm nut driver
8. 8mm Allen wrench
9. Wire clippers
10. Adjustable wrench
11. Silicone oil
12. Hand pump
Procedure
•Place the “Machine Disinfection” blocks in each basin.
•Remove the alcohol and detergent containers. Purge the alcohol and detergent lines by activating the
valves/pumps Y11, Y10, P0Z, and P0C in expert mode. When the lines are purged press the “release
all” button in the expert screen. Perform on both basins.
•Shutdown the computer, unplug the power to the unit and turn off the water.
•Remove the access panels on the left and right sides.
Note: While performing the PM check for internal and external fluid leaks.
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 2 of 12
Channel Pump
1. Performed on both sides.
2. Remove the two white John Guest elbow fittings from the pump assembly by pressing in
on the gray collar.
3. Make note of the tubing locations.
4. Disconnect the electrical connection.
5. Remove the four Philips head screws that attach the pump to the mounting bracket.
6. Remove the old pump and discard.
7. Place the new pump on the mounting bracket and reattach with the four screws.
8. Reconnect the electrical connection.
9. Reconnect the fittings making sure they are connected to the original locations.
Figure 1: Channel Pump
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 3 of 12
Spray Arm Pump
1. Performed on both sides.
2. Remove the two fittings from the top of the spray arm pump assembly by pulling down on
the two tabs located just below the elbow fittings. Note the fitting locations.
3. Disconnect the electrical connection.
4. Remove the four nuts and washer that attach the base of the assembly to the unit, save for
reassembly.
5. Remove the old pump and discard.
6. Place the new pump assembly onto the mounting bracket and reattach with the nuts and
washers.
7. Reconnect the fittings again noting the original locations. Lock in place by pressing up on
the tabs.
8. Reattach the electrical connection.
Figure 2: Spray Arm Pump
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 4 of 12
Elevator Pump Diaphragm
1. Performed on both sides.
2. The elevator pump is located on the back side of the channel manifold.
3. Remove the 4 Allen screws with a 2.5mm Allen wrench.
4. Remove the circular assembly from the manifold.
5. Remove and discard the old diaphragm.
6. Place the new diaphragm in the channel manifold. When properly placed a small hole
should be visible in the center of the diaphragm.
7. Place the circular assembly back in its original position and reattach with the four Allen
screws.
Figure 3 and 4: Elevator Pump Diaphragm
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 5 of 12
Alcohol and Detergent Pump Head
1. Performed on both sides.
2. Use wire cutters to remove the tie wraps from the tubing connections on the manifold.
3. Remove the tubing from the barb fittings. Make note of the tubing positions.
4. Remove the old pump head by pressing in on the two black plastic tabs and firmly pull
down. Discard the old pump heads.
5. Place the new pump head on the motor assembly and press up firmly making sure it snaps
firmly in place. Note the orientation of the tubing.
6. The new tubing on the pump head will need to be cut to match the tubing length removed
to ensure no kinking of the tubing.
7. Connect the new tubing to the barbed fittings on the manifold again noting the original
locations.
8. Use the supplied wire ties to secure the tubing on the barbed fittings.
Figure 5: Alcohol and Detergent Pump Head
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 6 of 12
Dosing Supply Check Valves
1. Performed on both sides.
2. The two check valves are located directly behind the spray arm pump.
3. Replace on check valve at a time to maintain proper connection.
4. Cut the tubing above and below the clamps, remove and discard the old check valve.
5. Place the new check valve in place of the old, the flow direction arrow on the new check
valve must point up.
6. Clamp the tubing on the check valve using the supplied clamps.
7. Repeat the above steps for the other check valve.
Figure 6: Dosing Supply Check Valves
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 7 of 12
Air Compressor
Note: Skip this step if the Advantage unit being serviced does not use the air compressor.
Unplug the power from the compressor. Vent the air tank by pulling the pressure relief ring located
underneath the pressure switch.
Air Intake Filters
1. Remove the two air filters located on the top of the compressor by unscrewing
counter clockwise. Discard the old filters and install the two new filters.
5µm Filter
2. Unscrew the lower housing of the 5µm filter.
3. Remove the old filter by unscrewing it and replace with the new filter.
4. Replace the housing o-ring with the supplied o-ring and lubricate with silicone oil.
5. Replace the lower housing, hand tighten only.
Check Valve
1. Locate the check valve assembly underneath the pressure switch.
2. Remove the two braided stainless steel hoses from the end of the check valve by
loosening the two fittings.
3. Unscrew the check valve housing, the base of the housing will stay on the air tank.
4. Carefully remove the housing noting the order of the internal parts.
5. Clean and inspect the inside of the housing.
6. Disassemble the new check valve and replace the internal parts of the old check
valve with the internal parts of the new check valve. Ensure all pieced go back in
the proper order.
7. Reattach the check valve housing to the air tank.
8. Reattach the two braided stainless steel tubing.
Note: When the compressor is repowered check for leaks.
Note: The kit includes a 0.1µm filter kit which is only used on the older style compressor. The
filter replacement procedure is the same as the 5µm filter noted above.
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 8 of 12
Figure 7: Air Compressor
Figure 8: Air Compressor Check Valve
5
µ
m Filte
r
A
ir Filters
Check Valve
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 9 of 12
Alcohol and Detergent Uptake Check Valves
1. Remove the alcohol and detergent containers.
2. Remove the old check valves out of the bottom of the uptake tubes, discard.
3. Replace with new check valves, press into place.
4. Replace the alcohol and detergent containers.
Figure 9: Alcohol and Detergent Uptake Check Valves
ADVANTAGE®PLUS Annual Preventive
Maintenance Instructions
50097-003 Rev. A Page 10 of 12
Spray Arm Filter
1. Performed on both sides.
2. Located to the left of the drain manifold.
3. Unscrew the cap counter clockwise, fluid will be present.
4. Remove the screen and clean.
5. Place cleaned screen back in the housing.
6. Reattach the cap, ensure the red seal is in place in the cap.
Figure 10: Spray Arm Filter
Basin Connector O-rings
1. Performed on both sides.
2. Replace the 8 o-rings on the basin connector posts.
3. Lightly lubricate each o-ring with silicone oil.
Basin Drain Filter
1. Performed on both sides.
2. Replace the basin drain filter located in basin drain.
Plug the Advantage power back in, turn on the water and restart the computer
Pressure Switch Settings
There are a total of 10 pressure switches per basin (8 on the channel manifold, and 2 on the
alcohol & detergent dosing unit. There are two switch levels that must be checked for each
pressure switch:
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