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TM5-4210-229-14&P
4-169. SERVICE BRAKES MAINTENANCE (Continued).
d. Pull up on lower shoe (2) and disconnect return
spring (6). Disconnect return spring (7) from
upper shoe (4) and discard.
e. Swing the lower shoe (2) away from the cam (8) to
relieve the tension on the shoe retainer springs.
f. Remove the two shoe retainer springs (9) and
discard.
g. Remove the upper (4) and lower shoe (2)
assemblies.
SERVICE
Good maintenance requires lubrication of all brake
linkages, anchor pins, camshafts, slack adjusters,
and
other
moving
parts
calling
for
grease.
Sluggishness follows neglected lubrication. A high
temperature
resistant
lubricant
should
be
used
(Appendix D, Item 22).
A. Anchor Pin
B. Return Spring
C. Camshaft
D. Retaining Spring
E. Slack Adjuster
F. Brake Lining
G. Brake Shoe
4-185
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