FAN BLADE AND PULLEY - CONTINUED -624880493

TM 5-2420-222-20-1

FAN BLADE AND PULLEY - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

REMOVAL - CONTINUED

Fan blade (1),

Four screws (4)

a. Hold fan blade to keep it from turning.

fan pulley (2),

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).

Fan hub (3) and

Fan blade (1)

Take off.

fan pulley (2)

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.

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.

All metal parts

Look for cracks, breaks, and abnormal bends.

2-432