Hitachi RAS-H(V)RNME-AF Service Manual page 292

11 Servicing
Remove the suction pipe and the discharge pipe from the
compressor. Isolate the wires and electrical components to
protect them from the burner flame when brazing the con-
nection pipes.
No.
1 Suction pipe
2 Discharge pipe
Remove the two (2) nuts fixing the compressor and remove
the compressor from the unit by lifting it. Slightly incline it
forward and lift.
For brazing the compressor connection pipes, first cool
down the compresor piping side covering it with wet clooth.
Then brazing material will not enter into the compressor.
If the brazing material enters the compressor, it will cause
compressor failures.
Fixation of the compressor to the bottom plate
Compressor position
Vibration-proof rubber 1 
Vibration-proof rubber 2 
Nut 
No.
1 Nut and washer
2 Vibration-Proof rubber 1
3 Vibration-Proof rubber 2
Reassemble the parts in the reverse order of the indicated
removing procedures.
• Tighten the screws (U, V and W) for compressor wires
with 2.5 N.m.
• Fix the lead wire firmly.
• Attach the oil heater firmly to the compressor and fix it
with the spring.
N O T E
Fix the lead wire for the compressor firmly using a cable tie to aviod contacting the metal sheet sharp edges and
the high temperature piping.
282
SMGB0070 rev. 1 - 08/2011
Part
1 2 3 4
  
 – –
 – –
Part
1
Cover pipes with wet cloth
See compressor position table below
1
3
2
2