Quantcast TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continued - TM-5-4120-347-140054

 

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TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-5-4120-347-140053
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TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continued - TM-5-4120-347-140055
TM5-4120-347-14
Para
Item
Item To Be
Ref.
No.
Inspected/Serviced
Procedures
Compressed air used for cleaning purposes will
not exceed 30 psi (2.1 Kg (cm2)
a. Blow accumulated dust and dirt out of the air passages
7
Evaporator Coil
in the evaporator coil using compressed air or the
discharge side of a portable vacuum cleaner. Blow
from front to back in the opposite direction from
operational airflow.
b. Inspect coil for obvious damage and all mounting
hardware for tightness and security.
a. Wipe or vacuum any remaining dust or dirt from the
8
Heating Elements
heating elements, the heater thermostat, and all other
components and surfaces in the area.
NOTE
Use a clean, dry cloth (or one slightly
moistened with water) for all wiping
operations, NEVER use an oily or greasy
cloth, any oily residue left on any surface will
attract and accumulate much more dust and
dirt than dry surfaces.
b. Inspect heating elements and thermostat for obvious
damage, and all mounting hardware for tightness and
security.
c. Inspect wiring harness for damage or chafing and all
electrical connections for tightness.
d. Install the mist eliminator and the top front cover.
9
Fresh Air Ventilation
a. Remove, clean, inspect, and service.
b. Discard and obtain replacement, if damaged.
Guard
c. Reinstall.
10
a. Remove, clean, inspect, and repair guard, as
Condenser Air Inlet Guard
necessary.
b. Place guard aside for the present and reinstall after
item 14.
c. Remove, clean and inspect the top rear cover. Set aside
and reinstall after item 14.
Compressed air used for cleaning purposes
will not exceed 30 psi (2.1 Kg (cm2)
11
Condenser Coil
a. Blow dust and dirt from the condenser coil in the same
manner as used for the evaporator coil in item 7. In this
case, blow from the inside for reverse airflow direction.
b. Inspect coil for obvious damage, and all mounting
hardware for tightness and security.
4-18

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