TM 9-4120-385-14
Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued
FOR READINESS
PROCEDURES
INTERVAL
EQUIPMENT IS
(CHECK/AND HAVE
NOT READY/
REPAIRED AND ADJUSTED
ITEM TO BE
M
W
AVAILABLE IF:
Q
AS NECESSARY)
INSPECTED
No.
Broken switches
Inspect for missing hardware and
Control Panel
9
Missing knobs
knobs, and other damage. Replace
any missing hardware or knobs.
Repair damage.
No Continuity
Z
Inspect, test for continuity and
Temperature
10
replace as necessary.
Control
Thermostat
Broken,
Inspect, test, and replace
Fan Speed
11
no continuity
as necessary.
Broken,
Inspect, test, and
Mode Selector
12
no continuity
replace as necessary.
Switch
Broken pins,
Inspect, test, and replace
Connector
13
missing, broken
as necessary.
shell
Mounting
Inspect for missing hardware and
Junction Box
14
brackets,
for other damage. Replace any
broken
missing hardware. Repair
damage.
Missing, no
Inspect for Corrosion. Replace as
Relays/Control
15
continuity
necessary.
Circuit Breakers
Capacitors/
Rectifier/
Broken wires,
Z
Inspect for broken leads, missing
wiring
16
missing
terminals, broken solder joints,
Harnesses
terminals
damaged insulation, or other
damage. Repair as necessary.
4-11
