TM 9-4110-254-14
4-47. SOLENOID VALVE L1 (LIOUID LINE) TESTING AND REPAIR.
This task covers:
a. Testing
b. Removal
c. Installation
INITIAL SETUP
Materials/Parts:
General Safety Instructions:
Marker tags (2)
WARNING
Equipment Conditions
High voltage and exposed rotating parts are
used m the refrigeration unit Personal injury
can result if power is connected
disconnected.
.
Right side door open.
Front bottom door open
(1)
Tag and disconnect tabs (1).
(2)
Using multimeter set to measure continuity, check coil (2) continuity between tabs (1). Continuity should
be indicated If no continuity was indicated, replace coil.
(3)
Using multimeter set to measure continuity, check coil (2) continuity between each tab (1) and coil (2)
metal case. No continuity should be indicated If continuity was indicated, replace coil.
(4)
If no failure was indicated check tabs (1) and tab housing (3) If damaged, repair or replace per
(5)
Using tags and wiring diagram (fig. 1-4) connect tabs (1). Remove tags.
NOTE
The only authorized repair to the solenoid valve is coil replacement The
coil can be replaced without opening the refrigeration pressure system.
b. Removal.
WARNING
Do not attempt any disassembly of the solenoid valve other than coil
removal with a refrigerant charge in the system Refrigerant will be
sprayed out dangerously if the screws that attach the tube and plunger
assembly to the valve body are loosened.
(1)
Tag and disconnect tabs (1)
4-99