Pulley and Hub - TM-10-3930-634-120055

TM 10-3930-634-12

NOTE: USE A SUITABLE PULLER

AND REMOVE PULLEY

AND HUB.

TA031855

4-31. Fan Belt Tension Control Spring and

Bracket

a. Removal.

(1) Move the radiator fan control lever (fig. 2-1) to

the ON position. In this position the spring is short-

ened, which will permit the spring loop to be pulled

4-30. Pulley and Hub

from the bracket with relative ease. Remove the fan

a. Removal.

(1) Remove the fan blade (para. 4-29).

(2) Refer to figure 4-17 and remove the fan belt

(2) Refer to figure 4-16 and remove the pulley and

tension control, spring and bracket pulley.

hub.

b. Cleaning and Inspection.

(1) Clean all parts with dry cleaning solvent (P-

(1) Clean the pulley and hub with an approved

D-680) and dry thoroughly.

cleaning solvent.

(2) Inspect for cracks, rust and breaks. Replace

(2) Inspect the pulley and hub for cracks and

defective parts.

breaks, Replace a defective pulley and hub.

c. Installation.

c. Installation.

(1) Refer to figure 4-17 and install the fan belt

(1) Refer to figure 4-16 and install the pulley and

tension control, spring and bracket pulley. Install the

hub.

fan guard.

(2) Install the fan blade (para. 4-29).