
13
Maintenance
—
Compressor Oil
The oil should be checked for contamination and
proper oil level when the compressor oil mainte-
nance reminder is displayed. Select RESET to turn
reminder off until the next time you start the unit.
Select ENTER to reset the reminder until the next
scheduled maintenance.
Instructions for Oil Maintenance
Oil Level Check
1. Place unit on a level surface and run a recovery
cycle with the unit.
2. Unplug unit.
3. Remove front cover of unit.
4. SLOWLY remove oil port cap on compressor.
Note: High pressure may be present, remove cap
slowly.
5. Place rear wheels of unit on a 2 x 4.
6. Oil should drip out of oil drain port.
7. If oil runs out of port rapidly, allow to drain.
8. Replace oil port cap and cover.
9. Dispose of oil properly.
Oil Replacement Procedure
1. Follow steps 1 thru 4 in the oil level check.
2.
Tilt unit at 45° angle towards oil drain. port until
all oil has been drained.
3. Refill with proper amount and type of oil. The
proper oil charge is 8.0 ounces 150 VISCOSITY
(SUS) POE oil.
4. Replace oil port cap and front cover.
5. Dispose of oil properly.
Note: Failure to perform oil maintenance can cause
the compressor to overfill with oil and severely
damage the compressor.
Oil
Drain
Port
Maintenance
—
Vacuum Pump Oil
Select ENTER to turn the reminder off until the next
time you start the unit. Select RESET to reset the
reminder until the next scheduled maintenance.
Check oil level when pump is running.
When pump is running, oil level should be 1/2 to 5/8
up in the sight glass. This level is necessary for
proper operation.
This maintenance is best performed when the oil
is warm.
1. Remove thumb screws under vacuum pump.
2. Rotate the front of the vacuum pump towards
the rear of the unit.
3. Place a container under the oil drain plug and
remove the oil drain plug.
4. Drain oil into the container.
5. Dispose of the oil properly.
6. Refill the vacuum pump with YELLOW JACKET
(Quart Part no. 93192) vacuum pump oil to the
correct level.
7. Reverse Steps 1-2.
Calibration Check (1 lb weight)
1. Select SETUP in the main menu
2. Select CALIBRATION CHECK
3.
Press “START” key to stabilize
4.
After stabilizing, machine will display “PLACE
THE 1lb TEST WEIGHT ON THE TANK” (1lb
weight supplied)
5.
Press the “START” key
Example:
1 lb. 02 oz (Out of Calibration)
0 lb. 15.98 oz (Out of Calibration)
NOTE: If out of calibration follow the steps dis-
played on the display to recalibrate scale
“WARNING SCALE CALIBRATION” MESSAGE
:
If the scale calibration changes, this message may
appear on the display. To reset the warning mes-
sage follow the on screen instructions or do the
following:
1. Select SETUP in the main menu
2. Select CALIBRATE SCALE
3.
The display will then read “REMOVE WEIGHT
FROM SCALE”
4. Once the weight is removed press the START
key
5.
The display will then read “CALIBRATING
PLEASE WAIT”
6.
When the display reads “POWER OFF AND RE-
START SYSTEM” turn the main power switch off
7. Carefully place the tank back on the scale and
turn the main power switch back on.