Robinair 34788-H Recovery, Recycling, Recharging Unit - Manual (Page 22)

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5. The display reads PLEASE REPLACE FILTER .
Open the rear door of the unit and unscrew the
old filter. See Figure 15.
6 . Look at the new filter—verify both o-rings are
lubricated and correctly located in the grooves.
See Figure 16. Thread the new filter into place.
Press START / YES .
7. Close the door. Press STOP / NO to exit. The
filter-drier replacement is now complete.
Replace the Filter-Drier contd .
Maintenance
Filter-
Drier
Rear View
(without shroud)
Adjust Tank Fill Level
When connected to a refrigerant source, the unit
maintains a default value of 15 lbs. of refrigerant
in the internal storage vessel. This value may be
adjusted up or down to suit the application.
1. Press MENU .
2. Use the arrow keys to scroll through the menu
to ADJUST TANK FILL LVL, and press START /
YES. The unit displays
LEVEL: 15.00 LBS.
ENTER TANK FILL LVL
LIMIT: 4 TO 17 LBS.
PRESS START / YES TO SAVE
3. Use the keypad to enter a value between 4 lbs.
and 17 lbs., and press START / YES.
Figure 15
O-rings
Figure 16