Figure 3-107. Rear hook rollers, removal and installation.
(3) Repair by replacing damaged, defective,
(5) Remove or install remaining rollers in a
or worn parts.
similar manner.
c. Adjustment. Adjust rear hook rollers as directed
b. Cleansing, Inspection, and Repair.
(1) Clean all parts in an approved cleaning
solvent and dry thoroughly.
3-127. Roller Circle Rollers
(2) Visually inspect mounting hardware for
a. Removal and Installation.
burs, stripped threads or excessive wear. Inspect roller
Note
for chipping, cracks, breaks, or flat spots (wear).
To remove a damaged roller, always
(3) Repair by replacing defective hardware or
move revolving frame left or right
roller.
until damaged roller is on high side
3-128. Jackshaft Clutch Shoes
of frame, opposite the opening in
a. Removal and Installation.
frame. This will take most of the
(1) Relieve tension on three shoe return
frame weight off damaged roller and
springs (fig. 3-108), by loosening nuts on studs, then
make it easier to withdraw the fluid
remove springs from stud and clutch shoe.
pressure bolt from roller segment
(2) Loosen locknut and adjusting bolt until the
shaft.
adjusting assembly can be removed from between the
(1) Remove nut and lockwasher from fluid
clutch shoes.
pressure bolt (fig. 3-107), then withdraw bolt from
(3) Loosen three locknuts on three setscrews
segment roller shaft, and remove roller from roller circle
and back setscrews out of brackets enough to free
frame.
shoes.
(2) Remove lubrication fitting and bushing
(4) Remove capscrew, lockwasher, and
from fluid pressure bolt.
sleeve from eccentric, then lift both clutch shoes out of
(3) Remove shaft from segment roller.
drum.
(4) Install in reverse order.
a. Cleaning, Inspection, and Repair.
3-119
