Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM5-4120-347-14

Section II.

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

GENERAL

2-4.

Preventive maintenance checks and services (PMCS) are essential to the efficient operation of the air

conditioner and to prevent possible damage that "might occur through neglect or failure to observe warning

symptoms in a timely manner. Checks and services performed by operators are limited to those functions which

can be accomplished from the outside of the cabinet.

a. Before Your Operate. Always keep in mind and observe the WARNINGS and CAUTIONS contained in this

technical manual and plates installed on the equipment that are associated with the functions you are about to

perform. Perform your before (B) PMCS from Table 2-1.

b. While You Operate. Always keep in mind and observe the WARNINGS and CAUTIONS contained in this

technical manual and plates installed on the equipment that are associated with operation functions. Perform

your during (D) PMCS from Table 2-1.

After You Operate. Be sure to perform your after (A) PMCS from Table 2-1.

d. If Your Equipment Fails to Operate. Troubleshoot within your capabilities. Report any deficiencies as

appropriate using the proper form as specified in TM 38-750.

NOTE

Within designated intervals, these checks are to be performed in the order listed.

If the equipment must be kept in continuous operation, check and service only those items that can

be checked and serviced without disturbing operation. Make the complete checks and services

when the equipment can be shut down.

B-Before

M-Monthly

A-After

D-During

W-Weekly

2-4