TM 9-4120-403-14
TABLE 4-1. UNIT PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
Q - Quarterly
Item To Be
Item
Inspected/
No.
Serviced
Q
Procedures
6
Fresh Air
a.
Inspect chain and mounting hardware for tightness and security.
Damper
b.
Check that the damper door seats properly to form a seal when
in the closed position.
7
Control Panel/
a.
Remove lower panel.
Junction Box
b.
Check operation of circuit breaker and flexible cable to remote
reset knob for stiffness and binding.
c.
Inspect all remaining wiring harnesses in the lower section of the
cabinet for damage or chafing, and all electrical connections for
tightness.
d.
Check all mounting hardware for tightness and security.
4-13