Spring-loaded parking brake - check emergency release device

AP42.20-B-4350D

Spring-loaded parking brake - check emergency release device

12.03.2020

Model

368

Model

382

Model

384

Model

634

Relief screw



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

1

Chock the wheels and release the parking brake

 The mechanical disassembly of the parking brake should only be performed if it is necessary for repair or if there is a need to move the vehicle in an emergency and that makes normal disassembly of the brake impossible.
Vehicle should not be placed in normal operation when parking brake is mechanically disengaged.

2

Run the engine until reaching the service pressure

3

Loosen the relief screw (1) up to stopper and then screw it in again up to the stopper

 The relief screw must easily turn.
Do not use automatic electric screwdrivers for this operation.

 .Spring relief bolt - maximum

*BA42.10-B-1005-08A

 Brake cylinder

Number

Designation

Type 368.0/1, 382.0/1, 384.2/3, 386.3, 634.0, 682.3, 684.2

Type 384.0

BA42.10-B-1005-08A

Spring relief bolt - maximum

To release

Nm

35

To tighten

Nm

40