Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 25)

Model 17800B/17801B Recovery/Recycling/Recharging Unit
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ENGLISH
CHANGING THE VACUUM PUMP OIL
When the vacuum pump has run for a total of 10 hours, the “OIL” message will
flash on the display to signal that an oil change is needed. To change the vacuum
pump oil, follow these steps:
1. Turn on the
MAIN POWER switch. The display shows the selected
refrigerant type.
2. Press SHIFT/RESET and the message “PROGRAM VACUUM MINUTES
15:00” displays.
3. Press VACUUM. The display shows the “OIL” message.
4. Remove the door access screws from the right side of the unit. Open the door.
5. Remove the black plastic plug on the oil fill port.
6. Remove the oil drain cap from the vacuum pump, then drain the contaminated
oil into a suitable container. (Dispose of it according to local, state, and
federal regulations). Replace the oil drain cap.
7. Attach the flexible spout and cap to the oil bottle, and pour approximately six
(6) ounces of vacuum pump oil into the oil fill port.
8. Verify the manifold valves are closed, then press SHIFT/RESET and
ENTER at the same time to reset the ten-hour timer.
9. Press VACUUM. While the pump is running, slowly add new vacuum pump
oil until the oil level is even with the line on the reservoir’s sight glass.
10. Replace the black plastic plug on the oil fill port.
Diagram of Vacuum Pump Components
Oil Filler Tube
Inlet
Sight Glass
Oil Fill Port
Pump Exhaust
Oil Drain Fitting
Maintenance Procedures
VACUUM PROGRAM
MINUTES
I5.00
HOLD VACUUM OIL