Hitachi RAS-4-HNPE - Removing High Pressure Switch and Pressure Switch for Control

10. Servicing
327
SMGB0079 rev.0 - 01/2013
10
7 Remove push nuts A and B which xes the compressor. Lift the compressor and remove from the unit body. (C in the
gure does not have a push nut).
a. Check if the Faston terminal has any abnormality when replacing the compressor. (Ensure the pull out force greater
than 20 N)If the Faston terminal is identied faulty replace to a new one.
b. Ensure the xture of the lead wires.
1. Compressor.
2. Accumulator.
3. Push nut.
4. Vibration-proof rubber.
5. Two push nuts.
6. Three vibration-proof rubber.
7. Accumulator.
10.2.5 Removing high pressure switch and pressure switch for control
1 Remove the pipe cover following Removing pipe cover.
2 Remove 3 xing screws and remove the upper cover.
3 Remove the front cover following Removing front cover.
4 Collect the refrigerant from the check joint.
5 Disconnect the Faston Terminals.
6 Remove the high pressure switch and the pressure switch for control from the brazed part of discharge piping.
1. High pressure switch.
2. Pressure switch for control.
3. Brazing.