MAHLE RTI RRC770 User Manual
Page 11
RTI Technologies, Inc.
10
September 28, 1999
Page 10
Figure 4 Hose Evacuation
HOSE EVACUATION
It's important that Air not be introduced into the A/C System during a Charging
procedure. If a Deep Vacuum procedure was performed previously, the
following Hose Evacuation Procedure is not required. If the service valves on
the hoses have been open, the following procedure must be performed.
To Evacuate Hoses, refer to Figure 4 and follow these steps:
1. Close Red and Blue Hose Valves.
2. Press top (ON) of rocker switch marked POWER ON/TEST.
3. Press top (ON) of rocker switch marked RECOVER/RECYCLE.
4. Let the RRC770 run until the green COMPRESSOR RUNNING light goes out.
Note:
If the green light does not illuminate, press and hold the top of
the rocker switch marked PURGE AIR until the COMPRESSOR
RUNNING light turns on.
5. Press bottom (OFF) of rocker switch marked RECOVER/RECYCLE.
6. Press bottom (OFF) of rocker switch marked POWER ON/TEST.
7. Purge any Non-condensable Gas as described in the previous section.