TM 9-4120-378-14
4.31 TRANSFORMER-INSPECT/TEST/REPLACE.
This task covers removal, test replacement and installation.
INITIAL SETUP
Materials/Parts:
Test Equipment
Solder (Item 2, Appendix E)
Flux (Item 15, Appendix E)
Variable voltage power source (AC/DC)
Equipment Conditions:
Evaporator inlet louver removed (paragraph 4.18)
Front top cover removed (paragraph 4.17)
Control module removed (paragraph 4.24)
Junction box partially removed (paragraph 4.25)
Remarks
Location/Item
Action
Disconnect air conditioner power source
before doing work on electrical system.
Removal
a. Remove screws (2) and Iockwashers (1).
b. Remove shrink sleeving from two input and six
output terminals.
c. Tag and desolder all wires connected to input
See fig. FO-2. for all test
steps.
and output terminals, except for wires between
terminals 3 and 6 and 4 and 2.
d. Lift transformer (3) out of unit.
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