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TM 5-4120-377-14
TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS) (cont.)
Item
Item To Be
No.
Inspected/Serviced
Procedures
2
Conditioned Air
a. Check operation of louvers for stiffness or binding.
Discharge Grille
b. Remove, clean, inspect, repair, and lubricate grille as
necessary.
3
Mist Eliminator
a. Remove screws, flat washers, and packing with retainers from
upper portion of fabric cover to gain access to top panel.
b. Remove, clean, and inspect the top panel.
c. Remove, clean, inspect, and service the mist eliminator. (See
para 4-35.)
d. Replace the mist eliminator if it is damaged.
4
Evaporator Coil
a. Clean evaporator coil per para 4-64.
b. Inspect coil for obvious damage and all mounting hardware for
tightness and security.
5
Heating Elements
a. Wipe or vacuum any remaining dust or dirt from the 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.
6
Evaporator Fan
a. Wipe or vacuum all dust or dirt from the fan and all other
components and surfaces in the area.
b. Inspect the fan for damage or bent blades and all mounting
hardware for tightness and security.
c. Check that fan spins freely.
d. Generally inspect refrigeration system components in the
upper section for condition.
4-32
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