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![]() TM 9-4120-428-14
UNIT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
(NSN 4120-01-502-1319)
HEATER ELEMENTS INSPECTION, TESTING, REMOVAL, CLEANING, REPLACEMENT, AND
INSTALLATION
INITIAL SETUP:
Equipment Condition
Tools
Remove Top Panels (WP 0019 00)
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
Remove Junction Box (WP 0036 00)
1
Materials/Parts
Heater Element
Lock Washers (6)
Rags, WP 0000 00, Item 13
7
5
6
8
9
10
11
13
12
4
1
2
3
INSPECTION
Visually inspect each heater for obvious damage, deformation, cracked or broken sheath, burnt out spots, and loose,
broken, or otherwise damaged wire leads.
TESTING
Use a multimeter to check the continuity of each heating element. Continuity should be indicated.
0052 00-1
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