Robinair 34134Z Refrigerant Recovery, Recycle, Recharge Unit - Manual (Page 29)

Recover/Recycle/Recharge Unit
27
Maintenance
The filter-drier inside the unit removes acid, particulates, and moisture from
refrigerant during the recovery function. To provide adequate contaminant
and moisture removal, the filter-drier must be replaced after every 150 lbs.
(68 kg) of refrigerant recovered. The following will appear in the display:
Use the following steps to replace the filter-drier.
NOTE: For maximum unit performance, use only No. 34430 SPX/ROBINAIR
filter-drier. To avoid service delays, keep extra filter-driers on hand. Refer to
the Replacement Parts
section of this manual.
1. Plug the power cord into a correct voltage outlet, and turn the unit on.
2. Verify the service hoses are NOT connected to a vehicle.
Replacing the Filter-drier
CHANGE FILTER
Control Panel
3. On the control panel, open both panel valves.
4. Press the Mode key until RECOVER XX.XX displays on the screen.
5. Press the Start/Stop key.
6. Watch the low-side gauge. When the gauge pressure reaches 10 in. Hg
(34 kPa) vacuum, close both panel valves.
7. Turn the unit’s power switch off.
8. Remove the unit’s power cord from the outlet.
I
O
Start/Stop
Key
Low-Side
Gauge
High-Side
Gauge
Oil Drain
Valve
Valves shown closed
Mode
Key
Display
Screen
ISV Pressure
Gauge
Up
Arrow
Down
Arrow
Oil Inject
Button
Low-Side Panel
Valve
High-Side
Panel Valve
ISV
Temperature
Display
ON/OFF
Power Switch
Temp/Pressure
Chart