any place on the lining, new linings must be installed.
5-27. Cleaning, Inspection and Repair
(2) Boot (20) and cup (22) can be replaced if
a Clean all metal parts in cleaning solvent, Federal
the hydraulic cylinder (items 20 through 26) leaks. If this
Specification P-D-680, or equivalent. Replace all seals,
does not stop the leak, the entire hydraulic cylinder must
gaskets, and deformed shims.
b. Inspect all parts for wear, scoring, cracks, or any
(3) If clutch lining wear is apparent on only one
other visible indications of damage. Replace any defec-
end of the lining, the linings may be reversed and
tive parts. Inspect gear teeth for excessive wear, pit-ting,
reinstalled without relining
or tooth shortening. Check roots of all rear teeth for signs
(4) All items should be inspected for signs of
wear or damage, and replacement should be made as
c. Inspect and smooth all seal seating surfaces
necessary. Spring (1) should be compared with a new
with a fine oil stone.
spring. If cracks, elongation, or deformation are evident,
d. Worn sprockets should be replaced. However, if
the spring should be replaced.
this is necessary, also replace the drive chain.
(5) If adjustment of push rod (10) is insufficient,
e. Repair clutch (10, fig. 5-6) as follows:
another plate (35) may be added to allow further ad-
(1) Refer to figure 5-7. When clutch lining (37)
is worn to within one-sixteenth of an inch of rivets (36) at