Hitachi RAS-2-HVNP Service Manual page 441

10. Servicing
  
Removing the compressor
1 Remove the service cover and the bottom service cover following
service cover and rear cover.
When the outdoor unit is installed close to a wall remove the refrigerant piping and move the unit from the wall.
2 Collect the refrigerant from the check joint.
N O T E
Check Perform the recovery work at the check joint
of piping. If not, the refrigerant remains inside.
3 Open the soundproof cover wrapped around the compressor and remove the terminal box cover of the compressor
body. Disconnect the compressor wires in the terminal box and disconnect the thermistor on top of the compressor.
Remove the soundproof cover.
N O T E
Check the terminal codes and mark bands when disconnecting the wires. Connecting wires in wrong order at
reassembling may result in compressor damage.
4 Remove the rubber cap and the thermistor attached on top of the compressor.
5 Remove the crankcase heater.
1. Sound-proof cover.
A. Direction to remove the cover.
427
SMGB0079 rev.0 - 01/2013
2. Oil heater.
3. Cut part.
Removing service cover, and
Valve stay
6
Removing bottom
Upper cover
1
Check joint
2
Rear panel
3
Cranckcase heater 4
Rear pipe cover
5
10