Hitachi RAS-2-HVNP Service Manual page 401

10. Servicing
Removing solenoid valves
1 Remove the brazed parts and the flare connections as
shown in the figures.
- Solenoid Valve (SVA) Brazed Parts: 2
- Solenoid Valve (SVC) Brazed Parts: 2
Solenoid Valve (SVF) Flare connections: 2
-
a. Remove the solenoid valves 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.
c. Perform the flare connection work using two span-
ners to avoid twisting pipes.
2 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
387
SMGB0079 rev.0 - 01/2013
Brazing
part
Flare nut
Solenoid valve Flare nut
(SVF)
P view
Solenoid valve
(SVA)
Brazing part
Solenoid valve
(SVC)
Brazing part
10