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 (cont)
e.
Solenoid
Valves
f.
Fuel Filter
Inspect fan for loose or missing hardware, loose or broken
connections and leaks.
Inspect for loose or missing hardware, leaks, corrosion or
other damage. Service filter element as follows:
(1) Uncover captive nut (1).
(2) Remove bowl (2), gasket (3), filter (4).
(3) Clean filter with drycleaning solvent (Item 1, App
E).
(4) Install filter (4), gasket (3), and bowl (2).
(5) Position captive nut (1) under bowl (2) and tighten
hand tight only.
Any leaks exist.
Any leaks exist.
4-18
