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Page Title:
FRONT BRAKESHOE REPLACEMENT (M915A3) |
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 TM 9-2320-302-20-2
FRONT BRAKESHOE REPLACEMENT (M915A3)
THIS WORK PACKAGE COVERS
Removal, Cleaning and Inspection, Installation
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Tool kit, general mechanic's (Item 50, WP 0306 00)
Front hub and drum removed (WP 0207 00)
Materials/Parts
References
Compound, antiseize (Item 9, WP 0305 00)
REMOVAL
1.
Lift upper brakeshoe (2) away from s-cam (8) and remove upper cam roller (9).
2.
Push lower brakeshoe (6) away from s-cam (8) and remove lower cam roller (7).
3.
Remove release spring (1) from upper and lower brakeshoes (2 and 6).
4.
Grasp upper and lower brakeshoes (2 and 6) and pull to open position. Remove two brakeshoes and retaining spring (4)
from two spider anchor pins (3 and 5).
5.
Remove retaining spring (4) from upper and lower brakeshoes (2 and 6).
1
2
9
3
8
4
7
5
6
CLEANING AND INSPECTION
1.
Clean front brakeshoes and components in accordance with WP 0299 00.
2.
Measure brake lining thickness. Thickness must be NO LESS than 1/4 in (6.4 mm). If brake lining is less than 1/4 in (6.4
mm), replace brakeshoes.
3.
Measure clearance between top of brake lining and top of all rivet heads. Clearance must be a minimum of 1/32 in (0.8
mm). If clearance is less than 1/32 in (0.8 mm), replace brakeshoes.
4.
Inspect remaining brakeshoe parts in accordance with WP 0299 00.
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