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TM5-4120-376-14
SECTION III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
4-9. GENERAL. Preventive Maintenance Checks and Services (PMCS, Table 4-1) are to be
completed to ensure the air conditioner is ready to use at all times. These checks and services
help you find and repair defects before the air conditioner is damaged or fails.
CAUTION
While the air conditioner is running, if any defect develops that you think will
damage the air conditioner, stop it at once.
a. Item numbers in the first column of Table 4-1 are the order in which inspections are to be
done. Column two “Interval” lists when to do them.
b. Record all defects on DA Form 2404 (Equipment Inspection and Maintenance Work Sheet)
as soon as possible.
c. All deficiencies and shortcomings shall be recorded together with the corrective action
taken on DA Form 2404 (Equipment Inspection and Maintenance Worksheet) at the earliest
opportunity.
d. If your equipment fails to operate, troubleshoot with proper equipment. Report any
deficiencies using proper forms (See DA PAM 738-750).
4-10. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS). This paragraph con-
tains a tabulated listing of Preventive Maintenance Services which must be performed by the
operator. The item numbers are listed in the order to be performed.
WARNING
Dry cleaning solvent, P-D-680 or P-S-661, used to clean parts is potentially
dangerous to personnel and property. Avoid repeated and prolonged skin
contact. Do not use near open flame or excessive heat. Flash point of solvent
is 100 F (38°C).
WARNING
Do not use compressed air for cleaning purposes except where reduced to less
than 30 psi (2.11 km/cm 2) and then only with effective chip guarding and
personal protective equipment.
NOTE
If the equipment must be kept in continuous operation, check and service only
those items that can be checked and serviced without disturbing operation.
Make the complete checks and services when the equipment can be shut down.
4-7
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