AP42.20-B-4350B | Spring-loaded parking brake - check emergency release device | 12.02.16 |
Vehicle 693 with Cumbustion engine 904.925
B42.20-0005-01
Example
1 Combined cylinder
2 Relief bolt
A Normal working position
B Released brake position
Check | |||
1 | Run the engine until the pneumatic system is pressurized with the specified working pressure | ||
2 | Shim the vehicle's wheels and release the parking brake | ||
3 | Release the relief bolt (2), turning it totally counter-clockwise from the normal working position (A) to the released brake (B) position | The relief bolt must easily turn. Do not use power screwdriver for this operation. | |
Maximum moment of power to release the relief bolt | |||
4 | After checking the combined brake cylinder mechanical release, turn the relief bolt (2) totally clockwise to tighten it again with the specified moment of tightening | Maximum moment of power to tighten the relief bolt | |
Pressurizing the cylinder through the connection (12), the relief bolt can be manually threaded. | |||
Do not place the vehicle in normal operation with the parking brake mechanically released. |
Parking brake
Número | Denominação | Chassis 382.0; 384.00/01/02/, 384.04/08/09, 384.1/3; 386.0/3; 388.0/3; 664.2; 682.0/1/3; 688.1/2; 696; 979.04 | |||
BE42.20-B-1002-01A | Operating pressure | bar | 8 | ||
Brake cylinder