Hitachi RWM-(H)FSN3E, Service Manual

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11 Servicing
SMGB0070 rev. 1 - 08/2011
267
11
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Removing the compressor
No. Part
1 Upper cover
2 Rear panel
3 PCB
4 Check joint
5 Rear pipe cover
6 Valve stay
Remove the service cover and the lower part of the service
panel according to the section
Removing service cover
and
the section Removing lower part of service panel and rear
panel . In case that the outdoor unit is installed close to a
wall closely, sepparate first the outdoor unit from the wall.
Collect the refrigerant from the liquid stop valve, the gas
stop valve and the check joint at the piping.
Open the sound insulation cover wrapped around the com-
pressor and remove the terminal box cover at the compres-
sor fixed by one (1) screw. Disconnect the compressor wires
in the terminal box and remove the sound insulation cover.
Remove the rubber cap and the thermistor on the top of the
compressor.
Remove the crankcase heater. (Oil heater on the lower
case).
No. Part
1 Sound-proof cover
2 Cut part
3 Oil heater
N O T E
Check and take note of each terminal number and in -
dications for its correct connection at the reasembling
process. If wires are connected in incorrect order, it will
lead to a compressor failure.
1
2
4
3
5
6
Direction to remove the cover
1
2
3