Hitachi RAS-2-HVNP - Page 410

10. Servicing
396
SMGB0079 rev.0 - 01/2013
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amesufcientlyfromthewiresandelectricalcomponentsaround
thebrazedpartinordertoavoidburning.
Suction Pipe
Brazing Part
Discharge Pipe
A
A
Discharge Pipe
Brazing Part
Suction Pipe
8 Remove 1 nut which x the compressor and remove it by lifting up.
Nut
Vibration-Proof
Rubber
1
2
3
Vibration-proof
Rubber
Nut
Compressor Position 1 2 3
Vibration-Proof
Rubber
Nut - -
: with a nut
- : without a nut
9 When brazing the replaced compressor braze quickly cooling the pipes on the compressor side with wet cloth to avoid
the ller metal entering into the compressor.
N O T E
PAYCLOSEATTENTIONnottolettheller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 identied faulty replace with a new one.
b. Ensure the xture of the lead wires.
c. Attach the cranckase heater to the compressor without torsion and gap as shown in the gure below.