Checking adjuster

AR42.10-B-0190A

Checking adjuster

12.02.16



Check

Danger!

Danger of fatal injury from vehicle sliding or falling from elevator

Position the vehicle on a suitable elevator, front, rear drive and rear trailing axle wheels resting safely on four or six elevator plates, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

1

Raise the vehicle

2

Remove the wheels.

AR40.10-B-1100E



Indications on brake caliper repair

AH42.10-B-9406-05F

3

Identify the caliper type

4

Release service and parking brakes

5

Push caliper (1) axially

Direction indicated by the arrow; the assembly will have to slide along the guide pins.

6

Check brake pad clearance

Utilize a feeler gauge (J).

If the clearance is much larger or much smaller, the adjuster may not be working correctly. In this case, check the operation, according to brake caliper type.

*BE42.10-B-1004-03B

*BE42.10-B-1001-14B

7.1

Remove the rubber lid (37)

Only version 2 SN7000 and SB7000 brake caliper:



Pull the lid by the rim, taking care not to lose the separate hexagonal adapter (61) fitted to the internal rod of the fixed adjuster (23). Do not use any tool to avoid damage to the seal

7.2

Remove the plastic adjuster lid (37.1)

Only version 1 SB7000 brake caliper

Screwdriver.

8

Turn the clearance adjuster counterclockwise by 2 to 3 clicks

Clearance increase between disc and brake pad.

On version 2 SN7000 and SB7000 brake caliper: Turn the adjuster (23) with the adapter (61). If the turning torque for the adapter (61) exceeds the maximum allowed, the adapter will break Try again with a new (unused) adapter (61). If the adapter (61) breaks for the second time and if damage to the internal caliper mechanism is confirmed, the caliper will have to be replaced.

On version 1 SB7000 brake calipers:Do not overload nor damage the adjuster hexagon. Use only a box wrench or an adequate socket, taking care not to damage the hexagon (S) and do not apply a torque above 16 Nm. In case of hexagon breakage of the adjuster (S), the brake caliper will have to be replaced.

9

Apply the vehicle brake 5 to 10 times

Pressure of approx. 2 bar. If the spanner or socket turns clockwise in regular steps, the clearance adjuster is working normally.

With increasing actuation the adjustment steps will be reduced.

If the wrench or socket will not turn, or if it turns only on the first actuation, or if it turns back and forth on each actuation, the automatic adjuster is defective, and in this case the caliper must be replaced.

10.1

Install the rubber lid (37).

Brake caliper SB7000 version 2 and SN7000:



When installing the lid, position the rim in a way to allow easy removal by hand later on.

If there is no brake pad replacement and a new lid is used, grease its inside part.

*BR00.45-B-1013-06A

10.2

Install the plastic lid (37.1)

Version 1 SB7000 brake caliper

If there is no brake pad replacement, a new lid will have to be installed; grease the fitting area and the sealing ring.

*BR00.45-B-1013-06A

11

Check normal brake pad clearance

AR42.10-B-0140A

12

Connect the external components

Only if there are connectors or sensors.

13

Install the wheels

AR40.10-B-1100E

Danger!

Danger of fatal injury from vehicle sliding or falling from elevator

Position the vehicle on a suitable elevator, front, rear drive and rear trailing axle wheels resting safely on four or six elevator plates, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

14

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

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

Número

Denominação

Número de pedido

BR00.45-B-1013-06A

Renolit HLT2 grease, white color (contains mineral oil)

Knorr II14525