ar4260b0010c

Checking pressure governor

Type ar · topic 42.60 · version 0100 · 2016-02-12

Applies to: Vehicle 688 with Cumbustion engine 374.990, 374.994, 374.977, 374.976, 374.950, 304.900, 374.989, 374.991, 374.996, 904.924, 904.957, 374.979, 904.908

Where it sits

Function group 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.60 Pneumatic system — Series 374 (models 950, 976, 977, 979, 989, 990, 991, 994, 996) · Series 688 · Series 904 (models 908, 924, 957)

EinPAS 21 Brakes/vacuum system/compressed-air system › 21.15 Service brake/vacuum system › 21.15.31 Modulator/brake force regulator — Series 374 (models 950, 976, 977, 979, 989, 990, 991, 994, 996) · Series 688 · Series 904 (models 908, 924, 957)

AR42.60-B-0010C

Checking pressure governor

12.02.16

Vehicle 688 with Cumbustion engine 374.990, 374.994, 374.977, 374.976, 374.950, 304.900, 374.989, 374.991, 374.996, 904.924, 904.957, 374.979, 904.908

Checking pressure governor

B42.60-0351-06

1 Cap

2 Blind cap

3 Instrument cluster

4 Bolts

5 Compressed air line

6 Nut of the connector tube to the body

7 Parking brake valve

8 Blind cap

9 Bolts with washers

10 Speedometer cable

Remove and install

1

Release pressure from the pneumatic system

2

Remove the covers (1, 2) from the instrument cluster (3)

3

Unscrew the bolts (4) and lift the instrument cluster (3)

4

Detach the speedometer cable (10)

5

Mark the compressed air pipes (5) of the perking brake valve (7)

6

Unscrew the nuts (6) and remove the pneumatic lines (5).

Installing: Observe the markings made at disassembly, to coincide with the respective connections.

Check the pipe connections for leaks and, if necessary, replace them.

Apply the specified torque to the connector tube nut to the body.

*BA42.10-B-1001-14B

7

Remove the cover (7) and unscrew the bolts with washers (8)

Installing: Apply the specified tightening torque to the screws.

*BA42.20-B-1003-01A

8

Remove the parking brake valve (6)

9

Install in reverse order

Brake hoses, brake lines

Número

Denominação

chassis 364, 382, 384, 386, 388, 397, 660, 664, 682, 688, 693, 694, 695, 696

BA42.10-B-1001-14B

Nut of the connector tube to the body

Nm

10

Parking brake

Número

Denominação

CHASSIS 364; 382; 384; 386; 388; 397; 660; 664; 682; 688.2; 693; 694; 695; 696

BA42.20-B-1003-01A

Bolt that fastens the valve to the support

Wabco/Knorr

Nm

25...30