ARMY TM 9-4120-380-14
NAVY EE-000-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS)
Quarterly Schedule - Continued
NottFullly Mission
No Fu ly Mission
Item to Check/Service
Procedure
Item
Interval
Item to Check/Service
Capable if::
Capable if
INo.
tem
No.
4
Quarterly
Evaporator Motor
a. Access motor (paragraph
b. Check motor for rotational
Shaft is stiff or binds
freedom by spinning shaft If there
Motor bearings have
i
is stiffness or binding, replace
excessive shaft end
motor Check motor bearings
play.
for shaft end play If there is
excessive end play, replace
motor.
c. To repair motor, contact Direct
Motor is damaged
Support Maintenance
d. Replace motor (paragraph
5
Quarterly
Condenser Fan
a. Access fan (paragraph 4.50)
b. Check fan for cracked or broken
Blades are cracked or
blades Replace if dam-
broken.
aged.
c. Replace fan (paragraph 4.50).
6
Quarterly
Condenser Motor
a. Access motor (paragraph
b. Check motor for rotational
Shaft is stiff or binds.
freedom by spinning shaft. If there
Motor bearings have
i
is stiffness or binding, replace
excessive shaft end
motor. Check motor bearings
play.
for shaft end play If there is
excessive end play, replace
motor.
c.
To repair motor, contact Direct
Support Maintenance.
d. Replace motor (paragraph
7
Quarterly
Electric Heater
a. Access heater (paragraph
b. Check heater elements for de-
Heater elements are
formation, damaged terminals,
deformed; terminals are
threads, cracked or broken
damaged, cracked or
terminals. Replace If damaged.
broken.
4-15
