Repair Air Conditioner (A/C #2, Accommodations).

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