Removing Electronic Expansion Valve And Solenoid Valve - Hitachi RAS-2-HVNP Service Manual

10. Servicing
10.3.2.14 Removing Electronic expansion Valve and Solenoid Valve
1 Remove the service cover, the bottom service cover and the rear cover following
ving bottom service cover and rear
2 Recover the refrigerant from check joints according to
3 Remove the coils according to
4 Remove the brazed parts as shown in the figures.
Electronic Expansion Valve (EVO) Brazed Parts: 2
-
- Solenoid Valve (SVA) Brazed Parts: 2
- Solenoid Valve (SVC) Brazed Parts: 2
a. Remove the electronic expansion valve and the solenoid valve with cooling the valve bodies by wet cloth.
b. Perform the brazing work with attention not to burn the electrical wirings and the piping insulations.
Solenoid valve (SVC)
Brazing parts Solenoid Valve (SVC)
Brazing Part
5 When reassembling after replacing the valves, perform in the reverse procedure of removing.
N O T E
Run the lead wires to be located to the original position, and fix them by the plastic band
357
SMGB0079 rev.0 - 01/2013
cover.
Removing
Removing Electronic Expansion Valve Coil
Electronic expansion valve
Electronic Expansion Valve (EVO)
Brazing parts
Brazing Part
Removing service cover
Compressor.
and Removing Solenoid Valve
and Remo-
Coil.
Solenoid valve
Solenoid Valve (SVA)
(SVA)
Brazing parts
Brazing Part
10