TM 9-4120-404-14
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS)
Item
Interval
Item To Be
No.
M
Q
A
Inspected
Procedure
18
Damper Actuator
Remove ventilation guard and filter per
Check that actuator is not leaking.
Lubricate moving parts with small
amount of oil (Item 11, Appendix E).
Check for loose or missing mounting
hardware.
19
Ventilation Damper
Remove ventilation guard and filter per
Check that damper operates without
binding.
Check that damper control cable operates
without binding.
20
Circuit Breaker
Check that circuit breaker remains in
place when in the on position and no
electrical fault is present.
Check for loose or missing mounting
hardware.
21
Logic Box Assembly
Remove front cover per para. 3-27.
Check for loose or disconnected cables.
Inspect logic box for any damage.
Check for loose or missing mounting
hardware.
22
Motor Controller
Remove front access cover per para. 3-27.
Check for loose or disconnected cables.
Inspect motor controller for any damage
or signs of overheating.
3-23
