Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)

TM 5-4120-359-14

Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE

CHECKS AND SERVICES (PMCS) (cont.)

Item

Item To Be

No.

Inspected/Serviced

Procedures

Time Totalizing Meter

a. Meter should operate in all operating modes.

Sight Glass

a. Operate air conditioner at least 15 minutes in COOL MODE with

TEMPERATURE CONTROL set at COOLER.

b. Center indicator on sight glass should be green. Refrigerant should be clear

with no bubbles.

c. If center indicator is yellow or refrigerant is milky, or bubbles are seen, report

condition to direct support maintenance.

Condensate Drain

After air conditioner has been running in cool mode, check it to see that no

water is dripping, except through drain.

Set-up the air conditioner for the desired operational mode.

Record performance of quarterly PMCS, including all corrective actions

taken.

NOTE

If the air conditioner has been in operation under unusual

conditions, the above PMCS items may be modified as

necessary to meet the further requirements due to the

unusual conditions.

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