SECTION 6 — WHEEL BRAKE ASSEMBLIES
6
Wheel Brake Assemblies
DANGER
• See General Warnings on page 1-1.
WARNING
• See General Warnings on page 1-1.
Asbestos Dust Warning
• Some aftermarket brake shoes contain asbestos fiber, and asbestos dust is created when these brake
mechanisms are handled. Wear approved eye and respiratory protection when disassembling and
cleaning brake mechanisms. Inhalation of asbestos could result in severe personal injury or death. Do
not use compressed air or aerosol sprays to clean the brake mechanism. Clean brake mechanism
using the negative pressure enclosure/hepa vacuum system or low pressure/wet cleaning method per
OSHA/29 CFR - 1910.1001.
GENERAL INFORMATION
The vehicles covered in this manual are equipped with a mechanical brake cable system to manually-adjusted drum
brakes on all four wheels.
See Section 2 – Vehicle Specifications.
BRAKE SHOE REMOVAL
See General Warnings on page 1-1. See also Asbestos Dust Warning on page 6-1.
1.
To remove rear brake shoes, place chocks at the front wheels, loosen the rear wheel lug nuts, and lift the rear of
the vehicle with a chain hoist or floor jack. Place jack stands under the axle tubes to support the vehicle.
2.
Release park brake if latched and loosen equalizer retaining nuts (1) on equalizer rod (2) to slightly loosen brake
cable
.
3.
Remove the rear wheels and brake drums. If the brake drums were easily removed, proceed to remove axle (for
electric vehicles only) or remove wheel hub (for gasoline vehicles only).
See following CAUTION and NOTE.
CAUTION
• Worn or damaged brake drums cannot be machined to refinish them. Replace as necessary.
4.
Removing brake drums with badly worn brake shoes.
4.1.
On the back of each brake cluster assembly, locate the heads of two brake shoe retainer pins. It may be
necessary to remove sealant material around the head of each pin.
2017 Carryall 500 and 700 Maintenance and Service Manual
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