TM 5-3810-289-34
adjust belt tension by turning adjusting screw tighten
drive pulley to fuel pump drive.
shaft nut (behind bracket) to 400/450 ft.-lbs.
(2) Install Standard Puller ST-647 onto the
drive pulley as illustrated in figure 3-112.
(3) Turn center screw clockwise until pulley
is loose.
(4) Remove pulley.
b. Cleaning and Inspection.
(1) Check for cracks and chips in hub, web
and groove areas of pulley.
(2) Check for wear in grooves and oil seal
sleeve. If wear on sleeve is visible, replace as outlined
below.
(3) Check mounting hardware; discard if
damaged.
c. Repair.
(1) Remove worn oil sleeve by splitting with
chisel. Do not damage pulley hub.
(2) Press new oil sleeve (fig. 3-113) onto
pulley hub with mandrel.
Figure 3-110. Fan hub assembly removal and
Caution: Oil seal sleeve is special material and
installation.
is closely machined to insure proper sealing.
3-23. Fuel Pump and Accessory Drive
Resurfacing of this part is not practical.
Pulley
a. Removal
(1) Remove locknut and flatwasher securing
3-39
