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TM 55-1905-223-24-17
2-34. Repair Air Conditioner (A/C #2, Accommodations).
This task covers:
a. Repair
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, general mechanic's,
Accommodations air conditioner
circuit breaker switched OFF,
power panel locked and tagged
Materials/Parts
"Out of Service - Do Not Operate."
Tag, Item 1, Appendix C
See TM 55-1905-223-10 for HVAC systems
V-belt P/N LSL-106-2
operation and equipment location.
Air filters (6)
P/N 16 x 20 x 2
REPAIR
Repair consists of replacing V-belts and air filters.
WARNING
Make sure electrical power is OFF to avoid personal injury.
a. Replace the two V-belts:
(1) Remove five screws (8, FIGURE 2-24) and remove belt guard (5) from corner of upper cabinet (7).
(2) Loosen adjusting nuts (1) to release tension on V-belts (4). This will lower the motor (2).
(3) Remove V-belts from around motor sheave (3) and blower sheave (6). Discard belts.
(4) Install new V-belts (4) around blower sheave (6) and motor sheave (3).
(5) Turn adjusting nuts (1) to move the motor (2) upward and tighten the V-belt.
(6) Install the guard (5) to the upper cabinet (7) with screws (8).
2-98

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