Disassembly – Bendix Commercial Vehicle Systems A2LS HYD DRUM BRAKES W/PARKING 2/08 User Manual
Page 8
8
DISASSEMBLY
BRAKE SHOES
Bendix brake shoes and linings are available as sets with
new factory lining installed. If the brake shoes are in good
condition, neither worn nor bent, new lining may be installed
on the old brake shoes. For lining installation procedures,
and brake shoe inspection procedures, refer to Bendix
publication; The Brake Block Manual Part 11, Form No.
BW-1257R.
WHEEL CYLINDER DISASSEMBLY
Before proceeding, clean the exterior of the wheel cylinder
and make sure the work area, tools, and hands are clean.
Place a clean sheet of paper on the work bench surface.
1. Clamp the wheel cylinder unit in a bench vise with padded
jaws.
FIGURE 17 - EXPANDER UNIT
FIGURE 16 - REMOVAL OF PIN FROM WEDGE
PIN
SPRING
FERRULE
PIN
SPRING & LOCATOR
HYDRAULIC SEALS
ROLLER TAPPET/
PISTON
INPUT TAPPET/
PISTON
HOUSING
TAPPET SEAL
STOP PIN
ABUTMENT TAPPET
GASKET
WEDGE ASSEMBLY
WEDGE SEAL- &
RETAINING RING
ASSEMBLY
CIRCLIP (SNAP RING)
FERRULE
DUST BOOT
WASHER
BLEED
SCREW
RETURN SPRING
DUST BOOT
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