Robinair 348012K Recovery, Recycling, Recharging Unit - Manual (Page 23)

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348002K/348012K Cool-Tech Recovery/Recycling/Recharging Unit
Maintenance Instructions
CHANGING THE VACUUM PUMP OIL
For maximum vacuum pump performance, change the vacuum pump oil every
10 hours of operation.
1. Press MENU.
2. Use the ARROW keys to select CHANGE VAC PUMP OIL.
3. Press ENTER .
NOTE: Do not connect the service hoses to a vehicle.
4. Ensure that the high side and low side manifold valves are closed and
press START .
5. Screen displays OIL CHANGE.
6. Allow the vacuum pump to run until it automatically stops (2 minutes).
7. Remove the black plastic plug on the oil fill port of the vacuum pump .
8. Remove the oil drain cap from the vacuum pump and drain the oil into a
suitable container for proper disposal.
9. Replace the oil drain cap and press START.
10. Screen now toggles between ADD 5 oz. OF OIL TO VACUUM PUMP and
PRESS START TO CONTINUE.
11. Attach the flexible tube and cap to the oil bottle and pour five ounces of
vacuum pump oil into the fill port.
12. Press START and while the vacuum pump is running, slowly add oil until the
level is even with the line on the reservoir's sight glass.
13. Press STOP and replace the black plastic plug on the fill port.
14. The unit is now ready to operate.