CONDENSER COIL INSPECTION AND CLEANING

TM 9-4120-428-14

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UNIT MAINTENANCE

AIR CONDITIONER, HORIZONTAL, COMPACT

(NSN 4120-01-502-1319)

CONDENSER COIL INSPECTION AND CLEANING

INITIAL SETUP:

Equipment Condition

Tools

Remove Top Rear Panel (WP 0019 00)

Refrigeration Unit Service Tool Kit, WP 0000 00, Item

Remove Condenser Air Inlet Guard (WP 0057 00)

Safety Glasses, WP 0000 00, Item 2

Scrub Brush, WP 0000 00, Item 2

WARNING

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

Do not use steam to clean coil.

NOTE

Six screws located on the vertical frames of the condenser air inlet guard secure the

condenser coil to the air conditioner housing.

INSPECTION

1. Check for and clean accumulated dust or dirt from the unit.

2. Check fins for dents, bent edges, or any condition that would block or distort the airflow. Straighten all damaged

fins with a plastic fin comb.

CLEANING

Clean the coil with a soft bristled brush and use compressed air at 30 PSI or less from the inside of the coil to blow

out any dirt. Use care to avoid fin damage. When using compressed air, wear safety glasses or goggles. Dirt can be

blown into your eyes. Should a leak or major damage occur, notify your supervisor.

NOTE

FOLLOW-ON MAINTENANCE:

Install Condenser Air Inlet Guard (WP 0057 00)

Install Top Rear Panel (WP 0019 00)

END OF WORK PACKAGE

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