UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM 9-4120-425-14&P

UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

THIS WORK PACKAGE COVERS:

Introduction, PMCS

INITIAL SETUP:

Maintenance Level

Equipment Condition

Unit

Main power source is disconnected.

INTRODUCTION

General

To ensure that the air conditioner is ready for operation at all times, it must be inspected systematically so that the

defects may be discovered and corrected before the result is serious damage or failure. Defects discovered during

operation of the unit shall be noted for future corrections to be made as an operation has ceased. Stop operation which

would damage the equipment if operation were to continue. All deficiencies and shortcomings shall be recorded together

with the corrective action taken on DA Form 2404 or DA Form 5988E, Equipment Inspection and Maintenance

Inspection Worksheet, at the earliest opportunity. If your equipment fails to operate, troubleshoot with proper equipment.

Report any deficiencies using proper forms. See DA PAM 738-750.

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) TABLE

WARNING

Disconnect air conditioner power supply.

WARNING

Dry cleaning solvent (Item 16, WP 0121-00) used to clean parts is potentially

dangerous to personnel and property. Avoid repeated and prolonged skin contact. Do

not use near open flame or excessive heat. Flash point of solvent is 100F (38C).

WARNING

Do not use compressed air for cleaning purposes, except where reduced to less than

30 psi (2.1 kg/cm2) and then only with effective chip guarding and personal

protective equipment.

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