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Page Title:
CONTROL MODULE ROTAR Y SWITCH RELAY INSPECTION, REMOVAL, TESTING, REPAIR, REPLACEMENT, AND INSTALLATION |
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 TM 9-4120-428-14
UNIT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
(NSN 4120-01-502-1319)
CONTROL MODULE ROTAR Y SWITCH RELAY INSPECTION, REMOVAL, TESTING, REPAIR,
REPLACEMENT, AND INSTALLATION
INITIAL SETUP:
Tools
Materials/Parts
Refrigeration Unit Servi ce Tool Kit, WP 0000 00, Item
Relay, Rotary Switch
1
Equipment Condition
Remove control module (WP 0029 00)
15
28
21
3
4
10
23
9
2
16
14
13
26
25
24
27
11
23
17
19
12
21 18
22
20
1
8
6
5
INSPECTION
1. Remove four machine screws (1) and pull off the control cover (2).
2. Inspect the connections at the rotary switch relay (27) for loose, damaged, or missing connectors or terminals. Replace if
defective.
REMOVAL
1. Remove the four machine screws (1) and pull off the control cover (2).
2. Loosen the set screw (3) in the knob (4) and remove the knob from the temperature control switch.
3. Loosen the screw (5) in the top of the knob (6) and remove the knob from the mode selector switch (7). The knob (6)
engages the square shaft of the mode selector switch (7) via an adaptor (8).
0034 00-1
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