Removing Electronic Expansion Valve And Solenoid Valve - Hitachi RAS-(3-6)HVRNM2E Service Manual

10 Servicing
8 Reassemble the parts in the reverse order of removing procedures.
8
7
1. Band (RAS-8HRNSE Only)
2. Removing brazing part (Outdoor heat
exchange).
3. Reversing Valve.
4. Removing Brazing part (Gas stop val-
ve).
5. Removing Brazing part (Compressor
suction pipe).
6. Removing Brazing part (Compressor
discharge pipe).
7. Valve stay.
8. Screw.
  
Removing Electronic expansion Valve and Solenoid Valve
1 Remove the service cover and rear cover following the
bottom service cover and rear
2 Collect the refrigerant from the check joint following the
3 Remove the coil following the
4 Remove the brazing as show in the figure below.
• Electronic Expansion Valve (MV1): 2 brazing parts.
• Solenoid Valve (SVA): 2 brazing parts.
• Perform the brazing to remove and reassemble the electronic expansion valve by cooling with wet cloth.
• Protect the connecting wires and pipe insulation from brazing flame.
5 Reassemble the parts in the reserve order of removing procedures.
1. Solenoid Valve.
2. Expansion Valve.
432
SMGB0064 rev.0 - 08/2011
Details for Removing Band
1
2
2
1
6
3
4
5
6
1. Screw.
2. P.
3. Silicon Plate.
4. Electrical box.
5. Reversing Valve.
6. Band.
7. Pipe.
8. F-Tape.
cover, see on page 421.
Removing reversing valve
1
2
1. Expansion valve (MV1)
2. Removing brazing part
3
4
5
A
7
3
8
6
1
1. Cover by wet cloth.
2. Reversing valve.
Removing service cover, see on page 420 and the
Removing the compressor, see on page 425.
coil, see on page 429.
1
2
1. Solenoid valve (SVA)
2. Removing brazing part
1
2
Removing the
1
2