Specifications

Model 17800B Recovery/Recycling/Recharging Unit

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 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 (be sure to dispose of it properly). 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. Be sure 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