WABCO 461 307 Скачать руководство пользователя страница 3

3/5

© 2004 American Standard Companies Inc. All rights reserved. 461 307 961 3/01.2005

Assemble the device.

Fix device in clamping 
equipment.

Connect device to test 
bench ports (see fig. 6).

Fig. 6  Test bench ports 

Make sure that plug-in connections on test bench 
and device are safely plugged.

Close one of the port 21 and 22 with screw 
plug M 22x1.5.

3.

Check tightness

Never install an untightened brake valve on the ve-
hicle.

3.1 Exhaust

From a non-actuated device no air must ex-
ceed from the exhaust.

Vent ports 11 and 12 with P1.

Fully operate device several times. 

Wait until excess pressure has decreased.

-

Check exhaust of the device for tightness.

No leakages admissible.

3.2 Complete device

Fix measuring scale to device.

0-position of the pedal means 0-position 
of the graduation at the same time. 

Adjust pedal to G1 (stop within device).

Gauges 3 and 4 must indicate P2.

Cover complete device with soap and check 
tightness.

No leakages admissible.
With soap bubbling the device is not tight.

Re-adjust pedal to 0°.

Gauges 3 and 4 must indicate 0 bar.

4.

Obtain maximum pressure

Adjust pedal to G1 (stop within device).

Pressure must increase immediately.

Gauges 3 and 4 must indicate P2.

Re-adjust pedal to 0°.

Gauges 3 and 4 must indicate 0 bar.

5.

Adjust pedal

Adjust stop screw for the pedal without clear-
ance.

The stem must not execute any stroke 
movement at the same time.

Counter stop screw with M = 20 Nm.

Fig. 7  Position of stop screw in the device

6.

Graduability

In all pressure scopes incremental steps of 
max. 0.3 bar must be possible.

7.

Check pressure increase

Operate pedal several times.  

Gauges 3 and 4 must indicate immediate 
pressure increase resp. decrease.

In  accordance with the type of device, one cir-
cuit must have predominance.

7.1 Check sudden pressure increase

Adjust pedal to G2.

Gauge 3 must indicate P3.
Gauge 4 must indicate P4.

7.2 Distance until venting of P5/P6

Adjust pedal to G3.

Gauge 3 must indicate P5.
Gauge 4 must indicate P6.

1

2

3 4

11

21

22

12

CAUTION

WARNING

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Stop Screw

Stem

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461 307

1/2

Brake Valve

with pedal

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