TM 9-4120-378-14
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) - Continued
Item
Item To
Not Fully Mission
Interval
Procedure
No.
Be Inspected
Capable If:
5
Weekly
Heaters
Items are loose, or
wires or elements are
damaged.
Disconnect air conditioner pow-
er supply before doing mainte-
nance work on the electrical
system.
a.
Check for breaks in wiring (1)
and insulation (2). Tighten
loose connections.
b. Check heating elements (3) for
damage.
c. Clean heating elements (3).
d.
Replace heating elements (3) if
damaged.
4-9
