MAHLE RTI TC640 - Manual (Page 12)

RTI Technologies, Inc.
September 15, 1997 Page 11
Figure 5 Charge - High Side
CHARGE - HIGH SIDE
To Charge Refrigerant, refer to Figure 5 and follow these steps:
1. Perform Hose Evacuation described previously.
2. Connect Red Hose to the A/C System high side per the vehicle
manufacturer's instructions. Do not open the hose valve.
3. Press top (ON) of rocker switch marked CHARGE/HIGH SIDE.
4. Open High Gauge Valve. The Low Gauge Valve and both Hose Valves should
be closed.
5. Determine the refrigerant capacity of the A/C system to be charged. This
data is usually printed on a tag located on the accumulator or under the
hood of the vehicle.
The following will determine where to set the indicator prior to starting
the charge mode:
(TC640 Liquid Level) - (A/C System Capacity) = Indicator Setting