Hitachi RAS-10HRNM, Service Manual, Page: 417 / 482

9 Remove two (2) nuts which fix the compressor and remove the compressor. Lift the compressor and remove from the
unit body.
N O T E
• To remove the compressor, the liquid stop valve pipe should be moved (bent) to the right side hand. PAY
CLOSE ATTENTION not to crush to break the pipe.
10 When brazing the replaced compressor, braze quickly cooling the pipes on the compressor side with wet cloth to avoid
the filler metal entering into the compressor.
• PAY CLOSE ATTENTION not to let the filler metal enter into the compressor, which may result in compressor
damage.
a Check if the Faston terminal has any abnormality. (Ensure the pull out force greater than 20 Nm) If the Faston
terminal is identified faulty, replace with a new one.
b Ensure the fixture of the lead wires.
1
2
3
4
5
6
7
1. Suction pipe.
2. Discharge pipe.
3. Cover pipes with wet cloth.
4. See compressor position table below.
5. Vibration-Proof rubber 2.
6. Nut and washer.
7. Vibration-Proof rubber 1.
Fixation of the compressor to the bottom plate
Compressor position 1 2 3 4
Vibration-proof rubber 1 x x x x
Vibration-proof rubber 2 x x — —
Nut x x — —
¿
Removing the high pressure switch and pressure switch for control
1 Remove the service cover, bottom service cover and rear cover following Removing service cover , see on page 402
and Removing bottom service cover and rear cover , see on page 404 .
2 Collect the refrigerant from the check joint according to Removing the compressor , see on page 407 in this chapter.
3 Remove the soundproof cover on the compressor.
4 Disconnect the Faston Terminals.
Remove the high pressure switch and the pressure switch for control from the brazed part of discharge piping.
10 Servicing
409
SMGB0060 rev. 1- 12/2010
10