Table 1. Unit Preventive Maintenance Checks and Services (PMCS)

TM 9-4120-425-14&P

UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - Continued

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"Interval" Column. Weekly and quarterly intervals are shown opposite the appropriate check. A weekly check is

performed weekly, If the check is accomplished quarterly, it is shown as a quarterly interval.

Table 1. Unit Preventive Maintenance Checks and Services (PMCS)

ITEM TO BE

EQUIPMENT NOT

ITEM

INTERVAL

CHECKED OR

PROCEDURE

READY/AVAILABLE

NO.

SERVICED

IF:

Weekly

Evaporator Air Intake

Remove screw (1), washers (2) and

Items are damaged,

Filter and Evaporator

(3) to release evaporator air intake

missing or clogged.

Air Intake Louver

louver from unit. Remove air filter

(5) from clip inside louver casing.

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 flame or excessive heat. Flash

point of solvent is 100F (38C).

Inspect air filter (5) for damage.

Replace if damaged.

Clean air filter (5) with mild soap

and water solution.

Inspect louver (4) for bent blades.

Straighten or replace.

Lubricate air filter (5) with filter-kote

(Item 17, WP 0121-00). Drain off

excessive oil.

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