Volvo VHD, Service Manual

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Group 170 Preventive Maintenance
65
Check Brake Disc and Calipers
Note: For further information refer to literature in Func-
tion Group 5.
To perform a check of the brake discs and calipers com-
plete the following:
1 Remove the wheel.
2 Inspect the brake discs and calipers for signs of
wear or damage.
66
Check Brake Levers, Slack Adjusters, and
Brake Drums Travel
Note: For further information refer to literature in Func-
tion Group 5.
To perform a check of the brake lever, slack adjuster,
and brake drums travel complete the following:
1 Remove the wheel and brake drums.
2 Inspect brake lever for signs of wear or damage.
3 Check the slack adjuster throw and operation.
Note: Maximum throw allowed is: 5 1/2 in. slack ad-
juster: 25-30 mm (1-1 1/4 in.); 6 in. slack adjuster:
20-25 mm (3/4-1 in.).
4 Verify that the length of both slack adjusters on an
axle is of the same length.
5 Inspect the brake drums for oil, cracks, heat spots
or heavy wear.
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