Hitachi RAS-(3-6)HVNC1(E) - Page 430

10 Servicing
416
SMGB0087 rev.0 - 12/2013
Nut
1
2
3
Vibration
Absorber
Front Side
Compressor Position 1 2 3
Vibration-Proof Rubber
Nut -
: with a nut
-: without a nut
10 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.
11 Perform in the reverse procedure of removing after repla-
cing the compressor.
a. Check if the Faston terminal has any abnormality. (En-
sure the pull out force greater than 20 Nm) If the Fas-
ton terminal is identied faulty replace with a new one.
b. Ensure the xture of the lead wires.
c. Attach the crankcase heater to the compressor without
torsion and gap as shown in the gure below.
Detail of Spring for Crankcase Heater
Crankcase Heater
Compressor
When attaching the spring, pay
attentio not to damage the crankcase
heater.
N O T E
• Topreventcontaminationoftherefrigerantbywaterorforeignmaterials,donotexposetherefrigerantpartsopento
atmosphereforlongperiods.Ifnecessary,sealpipeendsusingcapsortape.
• Removethecapforcompressorrightbeforereplacingthecompressor.Whenreplacingthecompressor,sealthetape
atthesuctionandthedischargepipestopreventforeignmaterials.Removeitwhenbrazingpipes.
• Securelycheckterminalnumbersandmarkbandsbeforedisconnectingleadwires.Whenreassemblingtheleadwires,
connectthemtomatchsurelytheterminalnumbersandthemarkbands.Iftheleadwiresareconnectedincorrectlyto
theterminal,thecompressorwillbedamagedduetoreverserotation.