D
Group 177 Preventive Maintenance
W7001278
106
Check Brake Linings
DANGER
Before measuring the brake linings, set the parking
brakes, place the transmission in neutral, and block
the wheels. Failure to do so can result in unexpected
vehicle movement and can cause serious personal
injury or death.
Measure the brake lining thickness. If the brakes
are equipped with backing plates, measure
through the inspection holes in the plate. Reline
the brake shoes if the lining thickness is 1/4
in. (6mm) or less at the middle of the shoe.
Check the brake drum for any visible cracks or signs of
oil or grease.
107
Check Brake Cylinders, Levers, and Forks
To perform a check of the brake cylinders, levers and
forks, complete the following:
1 Remove the wheel and brake drums.
2 Inspect the brake cylinders, levers and forks for signs
of wear, warp or cracks.
W5001317
108
Check Brake Disc and Calipers
Note: Not applicable for VN,VHD and VT vehicles.
To perform a check of the brake discs and calipers,
complete the following:
1 Remove the wheel.
2 Inspect the brake discs and calipers for signs of wear
or damage.
100
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