Hitachi RAS-2-HVNP Service Manual page 410

10. Servicing
6 Remove the crankcase heater.
7 Remove the suction pipe and discharge pipe from the compressor. Remove the brazed part after cutting the pipes at
"A" by a pipe cutter.
N O T E
Be sure to separate the blazing burner flame sufficiently from the wires and electrical components around
the brazed part in order to avoid burning.
8 Remove 1 nut which fix the compressor and remove it by lifting up.
3
2
Nut Nut
Vibration-proof
Vibration-Proof
Rubber
Rubber
9 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.
N O T E
PAY CLOSE ATTENTION not to let the filler metal enter into the compressor which may result in compressor
damage.
10 Perform in the reverse procedure of removing after replacing the compressor.
a. Check if the Faston terminal has any abnormality. (Ensure the pull out force greater than 20 Nm) If the Faston ter-
minal is identified faulty replace with a new one.
b. Ensure the fixture of the lead wires.
c. Attach the cranckase heater to the compressor without torsion and gap as shown in the figure below.
396
SMGB0079 rev.0 - 01/2013
Discharge Pipe
Discharge Pipe
A
1
Brazing Part
Brazing Part
Suction Pipe
Suction Pipe
A
Compressor Position 1
Vibration-Proof
Rubber
Nut -
: with a nut
- : without a nut
2 3
-