TM 9-4520-258-14
Table 4-1. Unit Preventive Maintenance Checks And Services.
Location
Not Fully
Item
No.
Interval
Item to
Check/Service
Procedure
Mission
Capable If:
6
Semi-
annually
INTERNAL
___________
Circulating Air Fan/
Pump/Motor
Assembly
a.
Air Fan
b.
Pump
c.
Motor
d.
Base
Inspect fan for damaged/missing blades, loose or missing
hardware.
Inspect scroll for holes, dents, loose or missing hardware.
Inspect fuel pump for security and leaks (para 4-30).
Check the coupling spring pin and cotter pin for security
(para 4-30).
Inspect motor for loose or damaged hardware. Tighten or
replace hardware. Inspect for loose connections, chafing
or exposed wire (para 4-31).
Inspect for loose or missing hardware..
Loose, missing or
damaged blades
or hardware.
Loose of
damaged scroll.
Any leaks exist.
Loose or
damaged
hardware. Loose,
frayed or
exposed wires.
Loose base.
4-17
