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
Item
Procedure
Procedure
Interval
Item to Check/Service
Capable if::
Capable if
INo.
tem
No.
c.
Replace heater (paragraph
8
Quarterly
Thermostat (S2)
a. Access thermostat (paragraph
b. Inspect for obvious damage,
Mounting hardware Is
overheating, and all mounting
loose. Sensing bulb or
hardware for tightness and
capillary line is dam-
security. Check that sensing bulb
aged.
and capillary line are not dam-
aged. Replace if damaged.
c. Replace thermostat (paragraph
Thermostat is dam-
aged.
9
Quarterly
Heat Fault Thermostat
a. Access thermostat (paragraph
(S8)
b. Inspect for obvious damage,
Mounting hardware is
overheating, and all mounting
loose. Sensing coil Is
hardware for tightness and
damaged.
security. Check that sensing coil
is not damaged. Replace if
damaged.
c. Replace thermostat (paragraph
Thermostat is dam-
aged.
10
Quarterly
Crankcase Heater
a. Access heater (paragraph
b. Visually inspect for damage.
Heater is damaged.
Replace if damaged.
c. Replace heater (paragraph
4-16
