Check brake caliper guide

AR42.10-B-0140A

Check brake caliper guide

12.02.16



Check



Tips relating to repairs to the brake caliper

AH42.10-B-9406-05F

1

Identifying the brake caliper type

Danger!

Risk of death from slipping or from the car falling off the lift

Place the vehicle on a suitable lift so that the wheels of the front axle, rear driving axle and rear driven axle securely supported on all four or six support plates of the lift, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

2

Lift the vehicle

3

Remove the wheels

AR40.10-B-1100E

4

Check the brake caliper guides

If necessary, replace the bearing sleeves:



AR42.10-B-0400A

5

Completely release the service and parking brakes

6

Check the clearance of the clamp with the pads mounted

By pushing and pulling the caliper by hand in the axial direction (see arrow "A" at the bottom of the main figure), it should move within the specified dimensions.

Test values ​​of the front brake calipers

*BE42.10-B-1004-03B

Test values ​​of the rear brake calipers

*BE42.10-B-1001-14B

If this motion is not possible by hand, the components of the fixed and floating bearings should be repaired or replaced by repair kits specific for each type of calipers.

7

Remove the brake pads

AR42.10-B-0170B

8

Clear any dirt existing on the respective guide pin (4)

9

Manually push the brake caliper

Applies only to the SB 7000 brake caliper version 1 with rubber sleeve (6c) and version 2 with rubber sleeve (6a).

The caliper should slide freely throughout the stroke of the guide pin in the direction indicated by arrow "A" (with the pads removed).

Front caliper

*BE42.10-B-1005-03B

Rear caliper

*BE42.10-B-1002-14B

10

Fully return the pressure parts with the fanfold guards (13), turning counter-clockwise the clearance adjuster at point (61)

For the SB7000 brake calipers version 1, the hex is embedded into the adjuster rod (23).

For the SB7000 calipers version 2 and the current SN7000 calipers, the adjuster is driven by the moving hex (61) fitted to the rod (23).

11

Pull the brake caliper (1) outwards

12

Push the caliper in the direction indicated by the arrow, as shown in the upper right figure "X"

Check that the brake caliper is free, without outside interference. If necessary, the rubber sleeves (6a, 6c) and the DU sleeve must be replaced.

13

Hold the caliper pressed to take the "X" dimension and write down the displayed value

14

Pull the brake caliper so that it moves away from the holder, to take the "Y" dimension, and write down the displayed value

15.1

For the SB7000 calipers, check the offset between the "X" and "Y" dimensions to yield a definition on the status of the guides

For the SB7000 calipers with version 1 (6b) and version 2 (6a) rubber sleeves, when the offset between "Y" and "X" is greater than the forecast offset, the calipers should be replaced:



Front brake caliper

*BE42.10-B-1006-03B

Rear brake caliper

*BE42.10-B-1003-14B

15.2

For the SN7000 calipers, check the offset between the "X" and "Y" dimensions to yield a definition on the status of the guides

For the SN7000 calipers with DU-type sleeves (6c), when the offset between "Y" and "X" exceeds the forecast offset, the calipers should be replaced:



Front brake caliper

*BE42.10-B-1007-03B

Rear brake caliper

*BE42.10-B-1004-14B

16

Mount the pads

AR42.10-B-0170B

17

Mount the wheels

AR40.10-B-1100E

Danger!

Risk of death from slipping or from the car falling off the lift

Place the vehicle on a suitable lift so that the wheels of the front axle, rear driving axle and rear driven axle securely supported on all four or six support plates of the lift, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

18

Lower the vehicle

Número

Denominação

Axle 732.793, 733.890, 739.395/397/398

BE42.10-B-1004-03B

Manual displacement of the pliers in axial sense indicated by arrow "A" with assembled pads

Minimum

mm

0,60 ... 1,10

BE42.10-B-1005-03B

Manual displacement of the pliers in axial sense indicated by arrow "A" with removed pads

Minimum

mm

23

BE42.10-B-1006-03B

Maximum and minimum difference from the manual displacement " Y " and " X " in SB7000 pliers equipped with rubber bushing type " 1 " (6c) and type " 2 " (6a)

Maximum

mm

2,00

BE42.10-B-1007-03B

Maximum difference from the manual displacement " Y " and " X " in SN7000 pliers equipped with bushings type "DU" part (6b)

Maximum

mm

0,90

Número

Denominação

Axle 740.698/752; 746.971/974

BE42.10-B-1001-14B

Manual displacement of the pliers in axial sense indicated by arrow "A" with assembled pads

Minimum

mm

0,60 - 1,10

BE42.10-B-1002-14B

Manual displacement of the pliers in axial sense indicated by arrow "A" with removed pads

Minimum

mm

23

BE42.10-B-1003-14B

Maximum difference between the manual displacement "Y" and "X" at SB7000 calipers equipped with rubber bushings type "1" (6c) and type "2" (6a)

Maximum

mm

2,00

BE42.10-B-1004-14B

Maximum difference from the manual displacement " Y " and " X " in SN700 pliers equipped with bushings type "DU" part (6b)

Maximum

mm

0,90