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11.5. Brake disk

DISKS OF FORWARD BRAKES


Prevention

Disks change only in couple and with a set of blocks.


Check

PERFORMANCE ORDER
1. Lift a forward part of the car and establish on supports.
2. Remove wheels.
3. Slowly rotating, check a condition of a disk, if necessary remove blocks.
4. The disk is subject to replacement in the presence on it cracks and traces of deep development.
5. If on a disk the fillet caused by wear was formed, then it is necessary to measure disk thickness.
6. Thickness is measured in several places, both in the place of contact with blocks, and on edge.
7. If thickness is equal in places of wear limit or less, then the disk is subject to replacement.
8. Check adjustment of the hug bearing then check a disk beating by means of the indicator or laying probes, for example between a disk and an arm of a support.
9. If the beating exceeds norm, then remove a disk, turn and again establish on a nave.
10. If the beating exceeds norm again, then replace a disk.
11. Check a condition of a disk in places of fastening, damages to other places.

Removal

PERFORMANCE ORDER
1. Lift the car and remove a wheel.
2. Turn off two bolts on a support arm, get a support, take aside and fix.
3. If the disk does not change, then put tags of mutual orientation to a disk and a nave.
4. Remove a disk from hairpins of fastening of a wheel.
5. If the disk does not give in to removal, then displace it, evenly wrapping M8 bolts in special carving openings.

Installation

PERFORMANCE ORDER
1. Clear demountable surfaces of a nave and a disk.
2. Establish a disk, having combined the put tags (if the removed disk is established).
3. From a new disk remove preservative.
4. Establish a support, wrap bolts with the set moment.
5. Press several times a brake pedal.
6. Establish a wheel, lower the car. Before departure check work of brakes.

DISKS OF BACK BRAKES


Prevention

Disks change only in couple and with a set of blocks.


Check

PERFORMANCE ORDER
1. Lift a back part of the car and establish on supports.
2. Remove wheels.
3. Release the emergency brake.
4. Perform the operations described above. If blocks are removed, then be guided by the description in subsection 11.4.2.

Removal

PERFORMANCE ORDER
1. Lift a back part of the car and establish on supports.
2. Remove wheels.
3. Turn off bolts and remove an arm of a cable of the emergency brake.
4. Disconnect a cable from the lever on a support (on a part of cars get a cable cover from a bracket).
5. Perform the operations described above.

Installation

PERFORMANCE ORDER
1. Perform the operations described above.
2. Attach a cable to the lever.
3. On a part of cars insert a cable cover into a bracket, and combine a ledge on an arm with dredging on a support body.
4. Turn on the emergency brake until the necessary gap between blocks and a disk is established.
5. Press several times a brake pedal.
6. Establish a wheel, lower the car.
7. Before departure check work of brakes.