Pipe Assembly - Valve Block to Front Actuator - ACE

Pipe Assembly - Valve Block to Front Actuator - ACE

Service Repair No - 60.60.31

Introduction

CAUTION: The ACE hydraulic system is extremely sensitive to the ingress of dirt or debris. The smallest amount could render the system unserviceable. It is imperative that the following precautions are taken.
^ ACE components are thoroughly cleaned externally before work commences;
^ all opened pipe and module ports are capped immediately;
^ all fluid is stored in and administered through clean containers.

Remove

1. Raise front of vehicle.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

2. Remove RH front road wheel.





3. Remove 7 screws securing RH front wheel arch liner extension and remove extension.





4. Remove 3 screws securing splash shield and remove shield.
5. Position containers under valve block and actuator to collect fluid spillage.
6. Remove bolt securing pipe clamp to chassis and remove clamp.





7. Release harness strap from suspension turret and position harness aside.





8. Remove nut securing pipe clamp to bracket on suspension turret and remove clamp.





9. Remove 2 nuts securing pipe clamping plate to valve block.
10. Release clamping plate and pipes from valve block. Remove collets and release pipes from clamping plate.

CAUTION: Always fit plugs to open connections to prevent contamination.





11. Remove 2 cap nuts securing pipes to ACE actuator. Disconnect pipes and discard sealing washers.

CAUTION: Always fit plugs to open connections to prevent contamination.

12. Release pipes from isolator above chassis RH front outrigger.
13. Remove pipe assembly.

Refit

1. Position pipe assembly.
2. Locate pipes in isolator above chassis RH front outrigger. Fit cable tie around isolator to secure pipes.
3. Ensure valve block and pipe connections are clean.
4. Fit collets and pipes to clamping plate.
5. Connect pipes to valve block. To avoid seal damage, keep pipes square to valve block. Fit and tighten nuts securing clamping plate to valve block to 21 Nm (15 ft. lbs.).

CAUTION: Ensure pipes are installed in their correct ports or serious system damage will occur.

6. Fit pipe clamps. Secure to chassis with bolt and to bracket on suspension turret with nut.
7. Connect pipes to ACE actuator with cap nuts and new sealing washers Tighten cap nuts to 29 Nm (21 ft. lbs.). Ensure pipes are not under tension or kinked.
8. Secure harness to suspension turret.
9. Fit splash shield and secure with screws.
10. Fit RH wheel arch liner extension and secure with screws.
11. Renew ACE high pressure filter.
12. Fit road wheel(s) and tighten nuts to 140 Nm (103 ft. lbs.).
13. Refill and bleed ACE system.
14. Lower vehicle.