Table 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) QUARTERLY SCHEDULE (Cont)

TM5-4120-384-14

ORGANIZATIONAL PREVENTIVE MAINTENANCE

Table

4-1.

CHECKS AND SERVICES (PMCS)

QUARTERLY SCHEDULE-Continued

Para

Item to be

Item

Ref.

Procedures

No.

Inspected/Serviced

Perform functional check of

air conditioner in all opera-

tional modes in accordance

with the instructions in

Set-up air conditioner for

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 proper interval

for the above PMCS items must be

reduced as necessary.

TROUBLESHOOTING

Section IV

USE OF TROUBLESHOOTING TABLE.

4-8.

Table 4-2 contains troubleshooting information useful to

organizational maintenance technicians in diagnosing and

correct-

ing malfunctions or unsatisfactory operation of the air

conditioner.

The Troubleshooting Table lists the common malfunction

symptoms and unsatisfactory performance characteristics tech-

nicians are most likely to encounter: test and inspection steps to

be followed to determine the cause; and the corrective action(s)

that should be performed for each possible cause listed.

The technicians should first find the malfunction symptom or

unsatisfactory performance characteristic in the table which most

4-28