E5-P01IC
CHECKING AND ADJUSTING THE LOAD-SENSITIVE BRAKE COMPENSATOR
CHECKING THE BRAKING PRESSURE
Preliminary operations :
- The vehicle should be placed on all 4 wheels, prefera-
bly on a lift.
- The tool [1] (in good working order) in place.
- Rear weight of the vehicle determined.
- Check there are no hydraulic leaks.
- Check the absence of pinching on the pipes.
- Refer to the graph corresponding to the vehicle engine
version.
- Checks are done between the following components :
Front LH wheel and rear RH wheel.
Front RH wheel and rear LH wheel..
- On the vehicle, engine running, note the rear pressure
when the front pressure is 60 ± 3 Bars.
- The control pressure should be obtained by progres-
sively increasing the pressure (without ever releasing
the pressure to adjust it).
- Compare the value noted with the graph.
- If the value is outside the tolerance, adjust the
compensator.
- In order to check that the compensator is working
properly, note the rear pressure when the front
pressure is 100 ± 3 Bars.
- If the value is outside the tolerance, replace the
compensator.
- Any large discrepancy between the two circuits
will mean that the braking compensator should be
replaced.
- After completing these operations, bleed the bra-
king circuit.(See corresponding operation).
- Carry out a road test.
XSARA PICASSO - All Types
328
BRAKES
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