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TM 5-2420-222-20-1
FAN BLADE AND PULLEY - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL - CONTINUED
1.
Fan blade (1),
Four screws (4)
a. Hold fan blade to keep it from turning.
fan pulley (2),
and lockwashers (5),
b. Using 9/16-inch, 3/Sinch drive socket
and fan hub (3)
if present
and ratchet handle, unscrew and take out.
c.  Get rid of lockwashers (5).
2.
Fan hub (3) and
Fan blade (1)
Take off.
fan pulley (2)
3.
Fan hub (3)
Fan pulley (2)
Take off.
CLEANING
NOTE
For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).
WARNING
Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use
only in a well ventilated area. Avoid contact with skin, eyes, and clothes and don't breathe vapors.
Do not use near open flame or excessive heat. The flashpoint is 100F to 1380F (380 to 590C). If
you become dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If
contact with eyes is made, wash your eyes with water and get medical aid immediately.
4.
All metal parts
a. Clean in drycleaning solvent.
b. Using clean, dry rags, wipe dry.
INSPECTION/REPLACEMENT
NOTE
For more information on how to inspect parts, go to General Maintenance Instructions (page 2-
137).
Replace defective parts as needed.
5.
All metal parts
Look for cracks, breaks, and abnormal bends.
2-432

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