Quantcast Figure 4-22. Service brake shoes, installed view.

 

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Figure 4-20. Service brake system bleeder screw.
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TM-10-3930-631-12 Truck Lift Fork EMD Solid Rubber Tired Wheels 4 000 Lbs Capacity 144 and 180 In Lift Army Model MHE 227 Manual
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Service Brake Wheel Cylinder.
TM 10-3930-631-12
1.
Slide assembly
2.
Nylon washer
3.
Washer
4.
Lock washer
5.
Screw
6.
Nut
Figure 4-23. Brake adjuster, disassemble and assembly.
c. Cleaning and Inspection.
Figure 4-22. Service brake shoes, installed view.
(1) Inspect linings on shoes for wear, dirt,
grease, and brake fluid.
(b) Disconnect brake shoes from wheel
(2) Clean linings to remove foreign matter.
cylinder and lift brake shoes and attached adjuster
(3)  Inspect brake drums in wheels for
assembly and cylinder links from backing plate.
cracks, deep scratches, and other defects.
(c) Using a brass drift, drive the spring pins
(4) If linings are worn to less than 1/8 inch
from adjuster assembly and remove adjuster assembly
or if linings are saturated with fluid or grease, replace
from brake shoes.
shoes.
(d) Remove pins securing cylinder links to
(5) Inspect brake shoes for wear, cracks or
brake shoes and remove links.
other damage.
(e) Disassemble brake adjuster by removing
(6) Inspect return springs for broken, nicked
two screws (5, fig. 4-23) nuts (6) and washers (3 and 4).
or fatigued coils.
Separate slide assemblies (1) and remove nylon
d. Installation.
washers (2).
CAUTION
Brake shoes are free floating and self-
adjusting. Check for obstructions during
installation that could interfere with
floating action.
4-27

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