Valve Block - ACE

Valve Block- ACE

Servie Repair No - 60.60.20

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 vehicle on a ramp.





2. Disconnect 4 multiplugs from valve block.
3. Position container underneath valve block to collect fluid spillage.





4. Remove 2 bolts securing 2 rear pipe clips to chassis.





5. Remove 2 nuts securing rear pipe clamping plate. Release clamping plate and pipes from valve block.

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

NOTE: Keep pipes assembled to clamping plate to maintain correct pipe positions for refitting.





6. Remove 2 nuts securing front pipe clamping plate.





7. Remove 3 bolts securing valve block to chassis.
8. Release front pipes and clamping plate from valve block and remove valve block.

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

NOTE: Keep pipes assembled to clamping plate to maintain correct pipe positions for refitting.

9. Remove 6 bushes from valve block.

Refit

1. Fit 6 bushes to valve block.
2. Ensure valve block and pipe connections are clean.
3. It is important that the pipe ends are in good condition to achieve a seal.
4. Position valve block and connect front pipes and clamping plate. To avoid damage to seals, keep pipes square to valve block. Fit and tighten bolts securing valve block to chassis to 18 Nm (13 ft. lbs.).

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

5. Fit and tighten nuts securing front clamping plate to valve block to 21 Nm (15 ft. lbs.).
6. Fit bolt securing front pipe clip to chassis and tighten to 6 Nm (4.4 ft. lbs.).
7. Connect rear pipes and clamping plate to valve block. To avoid damage to seals, 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.

8. Fit bolts securing rear pipe clips to chassis and tighten to 6 Nm (4.4 ft. lbs.).
9. Connect 4 multiplugs to valve block.
10. If the same valve block has been refitted, renew ACE high pressure filter.
11. Bleed ACE hydraulic system.
12. Lower vehicle.