REMOVAL AND INSTALLATION



Removal steps


1.
 Oil filler cap


2.
 Rocker cover, left


3.
 Rocker cover, gasket


4.
 Rocker cover, right


5.
 Rocker cover gasket


6.
 Oil seal

>>E<<
 7.
 Camshaft oil seal


8.
 Rocker shaft cap
<<A>>
 >>D<<
 9.
 Rocker arms and shaft assembly (intake side)


10.
 Rocker shaft cap
<<B>>
 >>D<<
 11.
 Rocker arms and shaft assembly (Exhaust side)


12.
 Rocker arm and intake shaft

>>C<<
 13.
 Nut

>>C<<
 14.
 Adjusting screw


15.
 Rocker arm C


16.
 Piston arm assembly


17.
 Rocker arm D


18.
 Rocker arm shaft

>>B<<
 19.
 Lash adjuster

>>A<<
 20.
 Camshaft, right

>>A<<
 21.
 Camshaft, left

REMOVAL SERVICE POINT

<<A>> ROCKER ARMS AND ROCKER ARM SHAFT REMOVAL
When the rocker arm is removed from the rocker shaft, tag them to show the installation for the reinstallation of the rocker arm, the T-lever, the piston arm assembly and so on.

<<B>> ROCKER ARMS AND SHAFT REMOVAL

caution If the lash adjuster is re-used, clean the lash adjuster. (Refer to lash adjuster inspection .)
Set special tool Auto-lash adjuster holder (MD998443) to prevent the lash adjuster coming free and falling to the floor.

INSTALLATION SERVICE POINTS

>>A<< CAMSHAFT INSTALLATION

caution Use care to prevent confusion of the right and left bank camshafts.
1.Apply engine oil to the camshaft journals and cams and then install the camshafts.
note The camshaft with a longer overall length is for the left bank.

2.Check to see that the dowel pin of the camshaft is located at the position shown.

>>B<< LASH ADJUSTER INSTALLATION

caution If the lash adjuster is re-used, clean the lash adjuster. (Refer to lash adjuster inspection .)
Fit the lash adjuster onto the rocker arm without allowing diesel fuel to spill out. Fit special tool Auto-lash adjuster holder (MD998443) to prevent the lash adjuster coming free and falling to the floor.

>>C<< ADJUSTING SCREW INSTALLATION

When installing the screw to the rocker arm temporary, project it slightly 3mm from the same face level of the rocker arm end as shown.

>>D<< ROCKER ARM SHAFT INSTALLATION

1.The end with the larger chamfer is at the right on the front bank and at the left on the rear bank.
note The side with the four bolt holds is on the intake side
2.The side with the oil holes is on the lower side (cylinder head side).

3.Check that notches in the each rocker shaft are facing the direction shown in the illustration.
4.Install the rocker shaft cap as its identification mark is in the direction shown.
5.Tighten the inlet side bolts to the specified torque of 31 ± 3 N·m.
6.Tighten the exhaust side bolts to the specified torque of 13 ± 1 N·m.
7.Remove special tool Lash adjuster holder (MD998443).

>>E<< CAMSHAFT OIL SEAL INSTALLATION


Use special tools Camshaft oil seal installer (MD998713) and Camshaft oil seal installer adapter (MB991559) to install the camshaft oil seal.