TM 9-4120-378-14
4.38 SOLENOID VALVES. - Continued
Remarks
Action
Location/ltem
d. If continuity checks are satisfactory, apply 24
Test
volts DC from an external power supply across
Continued
contacts A and B in solenoid valve connector,
and listen for a sharp click when the valve
changes position. If a click is not heard, internal
valve problems are indicated and entire valve
should be replaced (see paragraph 5.19).
Remove
Do not attempt any disassembly of sole-
noid valve other than coil removal with a
refrigerant charge in the system. Refrig-
erant will be sprayed out dangerously if
screws that attach tube and plunger as-
sembly to valve body are loosened.
Remove nut (1) that secures plate (2) and coil (3) to
valve body (4), and remove coil and connector as-
sembly.
a. Unsolder coil leads from pins in the connector,
Repair
and remove connector (5).
b. Solder the coil leads to the pins in the connector
(5).
a. Install coil (3), connector (5), plate (2), and the
Install
attaching nut (1) on valve body (4).
b. Connect harness connector to connector on sole-
noid valve.
See paragraph 4.17.
c. Replace top covers.
