TM 9-4120-378-14
4.31 TRANSFORMER. - Continued
Remarks
Action
Location/ltem
Test
a. Check for continuity across primary terminals 1
See fig. FO-2 for all test steps.
and 6.
b. Check for continuity across secondary terminals
7 and 8.
c. Check for discontinuity between primary and sec-
ondary coils.
d. If transformer fails continuity/discontinuity test,
replace.
e. Connect 115 Vac power source to primary termi-
nals.
f. Connect multimeter to secondary terminals.
g. Check for reading of 27 to 33 Vat.
h. If transformer fails test, replace.
a. Slide new shrink sleeving onto and up wire.
Installation
b. Solder leads on terminals and remove tags.
c. Slide shrink sleeving down wire and over solder
connection.
d. Heat-shrink sleeving onto solder connection.
e. Secure transformer (3) to housing using screws
(2) and Iockwasher (1).
See paragraph 4.25.
f. Install junction box.
See paragraph 4.24.
g. Install control module.
See paragraph 4.18.
h. Install evaporator inlet louver.
See paragraph 4.17.
i.
Install front top cover.
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