Power Train Disassembly & Assembly
Inspect Parts
1. Check the slack adjusters:
Rotate the adjustment nut on the worm shaft to
make sure that the worm drive is free. Replace the
slack adjuster if the worm drive does not operate
correctly. Do not repair a manual slack adjuster.
2. Check the drums:
A. Check the brake drums for cracks, severe heat
checking, heat spotting, scoring, pitting and
distortion. Replace drums as required. Doosan
recommends that you do NOT turn or rebore
brake drums because it decreases the strength
and heat capacity of the drum.
B. Measure the inside diameter of the drum in
several locations with a drum caliper or internal
micrometer. Replace the drum if the diameter
exceeds the specifications.
Do not operate the vehicle with the brake drum
worn or machined beyond the dimension
indicated on the drum. The brake system may not
operate correctly. Damage to components and
serious personal injury can result.
3. Check dust shields for rust and distortion. Repair
or replace damaged shields as necessary.
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