REMOVAL AND INSTALLATION

Removal steps 1. Breather hose 2. Positive crankcase ventilation (PCV) hose 3. Positive crankcase ventilation (PCV) valve 4. Positive crankcase ventilation (PCV) valve gasket 5. Oil filler cap 6. Rocker cover 7. Rocker cover gasket 8. Oil seal >>C<< 9. Oil seal <<A>> >>B<< 10. Rocker arms and rocker arm shaft <<A>> >>B<< 11. Rocker arms and rocker arm shaft >>B<< 12. Rocker shaft spring 13. Rocker arm A 14. Rocker arm B 15. Rocker arm shaft >>A<< 16. Lash adjuster 17. Rocker arm C 18. Rocker arm shaft >>A<< 19. Lash adjuster 20. Camshaft 21. Thrust case 22. O-ring

Attach the special tool Lash adjuster holder (MD998443) to retain the lash adjusters during removal operation.

Install the lash adjuster into the rocker arm, being careful not to spill the diesel fuel it contains. Retain the installed lash adjuster with the special tool Lash adjuster holder (MD998443).

1.Install the rocker arm shaft by loosely fastening the bolts such that any of the inlet rocker arms does not push the valve. 2.Fit each rocker shaft spring from above and make it at right angles to the plug guide. note Install the rocker shaft springs before installing the exhaust valve rocker arms and rocker arm shaft.

3.Remove the special tool Lash adjuster holder (MD998443) retaining each lash adjuster. 4.Make sure that the flat portion on the rocker arm shaft faces in the direction shown in the drawing.

Use the special tool camshaft oil seal installer (MD998713) to drive each oil seal into position in the cylinder head.