CONDENSER COIL (CLEANING). (cont)

TM5-4120-384-14

4-39. CONDENSER COIL (CLEANING).-Continued

(3) (Models F18H-3S and F18H-1S) Remove eight screws and top

rear cover. (Models F18H-3SA and F18H-3SB) Remove thirty six screws

and top cover.

The six screws on the vertical frames of the models

F18H-3S and F18H-1S and five screws on the left

vertical frame of models F18H-3SA and F18H-3SB of the

condenser air inlet guard secure the condenser coil

to the rear of the air conditioner housing.

(4) (Models F18H-3S and F18H-1S) Remove seven screws and lock

(Models

washers, one snap fastner, and condenser air inlet guard.

F18H-3SA and F18H-3SB)

Remove twenty seven screws and lock washers

and condenser air inlet guard.

Inspect.

(1) Check for

accumulated d i r t .

Clean if an accumulation of

dirt

is evident.

(2) Check fins for dents, bent edges or any condition that

would block or distort air flow.

Straighten all-damaged fins with

a plastic fin comb.

Compressed

air

used

for

cleaning

purposes

will

not

exceed 30 psi (2.1 kg/cm ) .

Compressed air used for

cleaning can create airborne particles that may enter

the eyes.

Wear goggles to avoid injury to personnel

Do not use steam to clean coil.

Failure to heed this

caution can result in personal injury or damage to

equipment.

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 dirt out.

Take care to

When using compressed air wear safety glasses or

avoid fin damage.

Dirt can be blown into your eyes.

Should a leak or major

goggles.

damage be evident refer to direct support maintenance.

Assemble.

(1) (Models F18H-3S and F18H-1S) Install condenser air

inlet

guard (para 4-12).

(Models F18H-3SA and F18H-3SB) Install

condenser air inlet guard (para 4-12).

4-115

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