TM 9-4120-378-14
4.24 CONTROL MODULE. - Continued
Remarks
Action
Location/Item
See fig. FO-1. and
Check for continuity by touching the test probes
Test
b.
fig. FO-2.
of a continuity tester or multimeter set on low-re-
Continued
sistance range, to the ends of wire and/or the
corresponding pin of connector.
..
Replace pins and wire if not found.
c
Temperature
Selector Switch
NOTE
a.
Remove screw (16), nut (17), flat washer (18),
Replacement
Switches are not repairable
and spacer (19) from capillary clamp (20).
and may only be replaced.
Remove clamp (20).
b.
Remove four screws (21 ), four flat washers (22),
c.
and four nuts (23) attaching switch to back plate
(14).
d.
Remove switch (24) from control module.
Clean contacts. Replace switch if contacts are
e.
damaged.
f.
Replace if failed test.
Replace grommet (25) if damaged.
g.
h.
Reassemble into control module if passed test.
Evaporator Fan
Speed Switch
a.
Remove two mounting nuts (26), Iockwasher
Replacement
(27), and Iockring (28).
b.
Slide switch (29) out backside of front panel (1 3).
c.
Clean contacts. Replace switch if contacts are
damaged.
d.
Replace if failed test.
e.
Reassemble into control module if passed test.
Mode Selector
Switch
a.
Remove selector knob (30) by loosening set
Replacement
screw (31 ).
4-49
