CONDENSER COIL INSPECTION AND CLEANING/INSTALLED

TM 5-4120-359-14

4-83. CONDENSER COIL INSPECTION AND CLEANING/INSTALLED

Preliminary Procedures:

1. Disconnect power.

2. Remove top condenser cover. (See paragraph 3-25.)

3. Remove condenser guard and condenser inlet EMI screen. (See paragraph 3-28.)

a. Inspection of installed items.

(1) Check for accumulated dirt. Clean if an accumulation of dirt is evident.

(2) Check tins for dents, bent edges or any condition that would block or distort air flow. Straighten all damaged

fins with a plastic fin comb.

WARNING

Compressed air used for cleaning purposes will not exceed 30 psi (2.1 kg/cm2).

CAUTION

Do not use steam to clean coil.

b. Cleaning. Clean coil with a soft bristled brush, vacuum cleaner and brush attachment or use compressed air at

30 psi or less from the inside of the coil to blow the dirt out. Take care to avoid fin damage. When using compressed air,

wear safety glasses or goggles. Dirt can be blown into your eyes.

Repair/Replacement. Should a leak or major damage be evident go to paragraph 4-84.

Follow-on Procedures: 1. Install condenser guard and condenser inlet EMl screen. (See paragraph 3-28.)

2. Install top condenser cover. (See paragraph 3-25.)

3. Connect power.

4-84. CONDENSER COIL

For inspection and cleaning of installed coil, see paragraph 4-83.

Preliminary Procedures:

1. Remove air conditioner from shelter. (See paragraph 3-6.)

2. Remove top condenser cover. (See paragraph 3-25.)

NOTE

3. Remove right end condenser cover. (See paragraph 3-26.)

Wrap wet rags near

joints being brazed.

4. Remove left end condenser cover. (See paragraph 3-27.)

Use tape to cover open

5. Remove condenser guard and condenser inlet EMI screen. (See paragraph 3-28.)

joints.

6. Discharge refrigerant system. (See paragraph 4-5.)

7. Remove high pressure switch. (See paragraph 4-80.)

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