CITROEN XANTIA User Manual page 264

DE-PRESSURISING THE SUSPENSION CIRCUITS (continued)
Carry out the following operations
3
Vehicle with hydractive suspension : switch on the ignition
Establish a pressure (80 to 180 Bars) to control the slide valves of
4
the SC.MAC valve and hydractive regulator.
5 Open the bleed screw of the pump 4135-T or 4034-T, remove the tools.
Unscrew the pressure regulator release screw by 1 turn.
1
2 Uncouple the pipe (3) of the hydractive regulator. Couple the pump
4135-T or 4034-T + 4146-T.O.
Vehicle with hydractive suspension (without SC.MAC valve)
Work on the hydractive regulator which controls the axle to be repaired.
257
Consequences
The electrovalves of the hydractive regulators are energised.
The suspension spheres + hydractive regulator accumulators
+ SC.MAC accumulator (front suspension settling) are de-pressurised.
The supply circuit is de-pressurised.
The main accumulator is de-pressurised.
ALL TYPES
B3BP139C