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Page Title:
Table 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) |
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 TM 5-4110-234-14
TO 40R7-5-7-1
Table 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
ITEM
ITEM T0
NO.
BE INSPECTED
PROCEDURES
1
Doors and Screens
a
Check for loose, damaged or missing hardware.
b
Check screens for damage and obstructions Remove obstructions.
Replace any door or screen if it is badly damaged.
2
Wires and Cables
Check for cuts, cracks, exposed copper conductors, abrasions, and
loose connections Repair or replace damaged wires and tighten
loose connections (see wiring diagrams 4-5 and 4-6).
3
Instrument Panel
a
Check for obvious damage, loose gage connections and loose
mountings.
b
Turn unit on and check gages and light for proper operation.
Should malfunction be noted see Troubleshooting Chart and repair
or report to higher maintenance level as indicated.
Turn unit off and disconnect power.
4
Control Panel Internal
a
Check for physical damage, corrosion and signs of overheating.
Components
(See figures Clean, repair or replace as indicated.
4-2 and 4-3)
b
Check thermostat for proper setting.
c
Check connections and mountings Tighten or replace as
indicated.
5
Condenser and
a
Check for accumulated dirt Clean if necessary.
Evaporator Fans
b
Check for obvious damage, loose rivets and attachment to hub.
Replace if loose rivets, hub attachment or fan is damaged.
c
Check attachment to shaft Tighten set screws if they are loose.
d
Check for evidence of rubbing Aline fan shaft if rubbing is
indicated.
6
Drive Belts
Check for loose, damaged or missing belts Adjust tension or
replace belts as indicated If belt is beginning to wear check
component alinement.
7
Condenser and
a
Check for dirt or any blockage of fins that would interfere with air
Evaporator Coils flow Clean or report any damage to direct support as
indicated.
8
Refrigeration
a
Check to see that valves are properly set.
System
b
Check for signs of obvious leakage, damage or defective parts.
Report any problems to direct support.
9
Fan Drive Shaft
a
Check fan drive shaft and related components for loose hardware,
general condition and alinement Repair or replace parts as
indicated.
b
Observe lubrication instructions for bearings.
4-19
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