CITROEN XANTIA User Manual page 263

ALL TYPES
Carry out the following operations
Establish a pressure (100 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
Uncouple the pipe (2) of the SC.MAC valve. Couple the pump
2
4135-T or 4034-T.O + 4146-T.O to the SC/MAC valve.
DE-PRESSURISING THE SUSPENSION CIRCUITS (continued)
Vehicle with or without hydractive suspension - Rear axle (With SC.MAC valves)
B3BP137C
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.
A = Without hydractive
B3BP138C
256
Consequences
B = With hydractive