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TM 9-4110-257-14
4-47.
SOLENOID VALVE L2 (DEFROST LINE) TESTING AND REPAIR.
This task covers:
a.
Testing
b.
Removal
c.
Installation
INITIAL SETUP:
Materials/Parts:
General Safety Instructions:
Marker tags (2)
WARNING
7, Appendix E
Equipment Conditions:
Exposed rotating parts are used in the
Refrigeration unit shut down (para 2-7) and battery
refrigeration unit. Personal injury can result if
disconnected (para 4-35).battery is connected.
Right side condenser door open.
a.
Testing.
(1)
Tag and disconnect tabs (1).
Figure 4-41. Solenoid Valve (Defrost Line)
(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
paragraph 4-20.
(5)
Using tags and wiring diagram (fig. 1-4), connect tabs (1). Remove tags.
4-117
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