Attention:
- do not allow dirt to enter the manifold oil passages.
- do not remove electrical components from the manifold.
- do not immerse electrical components in solvent.
- do not reinstall the outer manifold gasket.
- do not lift the manifold by the wiring frame.

1. Remove the oil pressure sensor (706) and washer (707).

2. Remove the oil filter (452) and sealing ring (454).
3. Blow out the manifold with compressed air.
4. Check the reliability of the fastening of the electromagnetic valves (1-4).

5. Make sure that there is no wiring frame (5).
6. Check the condition of the wiring connector.
7. Check the condition of the inner seals (1-8). If the inner seals are damaged, replace the oil manifold assembly.

