TM 5-4310-452-14
3-5.
ENGINE COOLING FAN, COOLING FINS, AND OIL COOLER CLEANING (Con't).
WARNING
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution
to avoid injury to personnel.
CAUTION
When using a wire brush during cleaning, ensure that cooling fins and oil cooler are not
damaged.
Using compressed air and wire brush, clear dust and dirt from vanes of cooling fan (5), cooling fins (7), and oil
cooler (6).
d.
Install duct (2) on base cowling (4). Close 2 fasteners (3).
e.
Close left door assembly (1).
3-8
