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Figure 55. Regulating
of operation, stop the unit and check the electrical
connection and solenoid valve coil (para 514).
c. Removal.
(1) Discharge the refrigerant system p a ra
6-3).
(2) Refer to figure 5-6 and remove the pres-
sure equalizer solenoid valve.
d. Installation.
(1) Install the solenoid valve in reverse
order of removal.
(2) Pressure test, evacuate, and recharge
the refrigerant system (para 6-5).
5-16. Compressor Bypass and Pressure
Equalizer Solenoid Valve Repair
a. Disassernbly.
(1) Refer to figure 5-7 and disassemble the
compressor bypass or the pressure equalizer sole-
noid valve.
valve, removal and installation.
(2) Inspect all metal parts for cracks or
other damage. Replace a defective solenoid valve.
(3) Replace a defective or damaged coil.
(4) Replace a defective or damaged dia-
phragm and bonnet assembly.
b. Assembly.
(1) Assemble the compressor bypass or the
pressure equalizer solenoid valve in reverse order
of disassembly.
(2) Install solenoid valve in body on air con-
ditioner (fig. 5-6).
Caution. Insure O-ring is properly posi-
tioned between body of valve and bonnet assem-
bly when installing.
5-17. Evaporator Expansion Valve
a. General. The evaporator expansion valve
controls the rate of flow of liquid refrigerant into
5-9
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