Robinair 178012K Recovery, Recycling, Recharging Unit - Manual (Page 25)

Model 178002K/178012K Recovery/Recycling/Recharging Unit 23
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 messages “PROGRAM VACUUM MINUTES
15:00” display.
3. Press VACUUM. The display shows the “OIL” message.
4. Remove the black plastic plug on the oil fill port.
5. Remove the oil drain cap from the vacuum pump, then drain the contaminated oil
into a suitable container (be sure to dispose of it properly). Replace the oil drain
cap.
6. 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.
7. Be sure the manifold valves are closed, then press SHIFT/RESET and ENTER
at the same time to reset the ten-hour timer.
8. 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.
9. Replace the black plastic plug on the oil fill port.
10. Turn off the MAIN POWER switch if you are finished.
Diagram of Vacuum Pump Components
Oil Filler Tube
Inlet
Sight Glass
Oil Fill Port
Pump Exhaust
Oil Drain
Fitting
Maintenance Procedures