Tighten the parking brake and block back wheels an emphasis.
Weaken nuts of fastening of a forward wheel. Lift a forward part of the car and establish it on support. Remove a forward wheel. Screw nuts of fastening of a wheel on hairpins, having enclosed under them thick washers, for disk fixing for the period of check.
Fig. 11.20. An arrangement of bolts of fastening of a bracket of a support of a forward brake to a rotary fist
Remove a support of a forward brake, without disconnecting from it a brake hose. A soft wire tie up a support to a forward rack. Turn out two bolts of fastening of a bracket of a support to a rotary fist
. Do not lose directing brake shoes.
Slowly rotating a brake disk, visually check its condition from two parties. Wear of a brake disk from blocks should be in admissible limits. If there are cracks on a disk, the disk is subject to replacement.
Fig. 11.21. Check of palpation of a brake disk
The indicator of hour type check palpation of a brake disk. The indicator of hour type fix in any convenient place and, rotating a brake disk, define its palpation at distance of 12 mm from external edge
. Before check of palpation of a brake disk be convinced that the bearing of a nave is in a good condition.
Check a brake disk on lack of cracks, especially round openings under bolts of fastening of a wheel, and also on lack of excessive wear or mechanical damages. In need of replacement at least one of disks replace both disks with axes.
Fig. 11.22. Measurement of thickness of a brake disk with micrometer use
Measure thickness of a brake disk
. Value of the minimum admissible thickness of a brake disk is beaten out on disk inside. For measurement of thickness of a brake disk it is recommended to use a micrometer.