Section IV: OPERATOR'S MAINTENANCE OF AIR CONDITIONER

TM 5-4120-352-14

OPERATOR'S MAINTENANCE OF AIR CONDITIONER

Section IV.

3 - 1 0 . Liquid Sight Indicator.

3-7.

General.

Wipe refrigerant liquid sight indicator glass with

This section contains maintenance procedures

a soft clean cloth. Set controls at cool-cooler and

for the operator of the air conditioner.

operate unit for 15 minutes before observation. Yel-

low appearance indicates moisture in system and

3-8.

Screen.

bubbles or milky flow indicates low refrigerant

Remove any obstructions. Brush off loose dirt

charge. Report presence of these conditions to direct

and wipe clean.

support maintenance.

Drains.

3-9.

Clean out drain openings and remove any

obstructions.

3-3