TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM5-4120-347-14

in the table have been arranged and numbered in a logical sequence to provide for greater personnel

efficiency and least amount of required maintenance downtime. The "Para Ref" (Paragraph Reference) column

o n the right side of the table provides the paragraph number where detailed, step-by-step

disassembly/reassembly maintenance procedures may be found.

Disconnect input power before disassembly of the air conditioner for PMCS to prevent dangerous,

possibly fatal, electrical shock.

TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE

CHECKS AND SERVICES (PMCS)

Iterm To Be

Item

Para

No.

Inspected/Serviced

Procedures

Ref.

Return Air Louver

4-19

Check operation of louvers for stiffness or binding.

Remove, clean, inspect, repair, and lubricate as

necessary

Set aside for the present and reinstall after item 4.

4-19

Remove, clean, inspect, and service filter.

Conditioned Air Filter

Discard filter and obtain replacement, if damaged.

Place filter aside for the present and reinstall after

item 4.

4-40

Wipe or vacuum all dust or dirt from the fans, motor,

Conditioned Air

(Evaporator) Fan and

and all other components and surfaces in the area.

Motor

Inspect the fans for damage or bent blades, the motor

for signs of overheating, and all mounting hardware for

tightness and security.

Inspect wiring harness for damage or chafing and all

electrical connections for tightness.

4-25

Condensate Drain Tubing

Check for loose connections, missing clamps,

indications of water leaks and damaged or missing

tubing.

Repair or replace as indicated.

InstalI filter and return air louver.

4-20

Conditioned Air Supply

Check operation of louvers for stiffness or binding.

Remove, clean, inspect, repair and lubricate as

Louver

necessary.

Set aside for the present and reinstall after item 8.

4-22

Mist Eliminator

Remove, clean, and inspect the top front cover. Set

aside for the present and reinstall after item 8.

Remove, clean, inspect, and service the mist eliminator

filter,

Replace the mist eliminator if it is damaged.

Set it aside for the present and reinstall after item 8.

4-17