TM 9-4120-370-14
TO 35 E9-229-1
5-25. SOLENOID VALVES (K3 and K4) TEST AND COIL REPLACEMENT - Continued.
b.
Cotl replacement. The coil can be replaced without opening the refrigeration pressure system.
Do not attempt any disassembly of solenoid valve other than coil removal with
a refrigerant charge in the system. Refrigerant will be sprayed out dangerously
if screws that attach tube and plunger assembly to valve body are loosened.
(1)
Remove nut that attaches coil to valve body. and remove coil and connector assembly.
Remove four screws and nuts that attach connector to edapter on coil.
(2)
Pull connector away from adapter. unsolder coil leads from pins in the connector, and remove connector
(3)
and gasket.
(4)
Remove adapter from the coil casing.
Feed leads of new coil through adapter, and install adapter on coil casing.
(5)
Feed coil leads through gasket and solder them to pins in connector, Then install gasket, connector, and
(6)
four attaching screws and nuts on adapter.
(7)
Install coil and connector assembly, and the attaching nut on valve body.
(8)
Connect harness connector to connector on solenoid valve.
Follow-on procedure: Install lower front panel. (See para 425.)
For testing and replacement of coils, see paragraph 525.
Remove lower front panel. (See para 4-26.)
Preliminary procedure:
Removal
a.
(1) Check to be sure power has been disconnected.
(2) Discharge the refrigeration system in accordance with paragraph 5-7.
