REMOVAL AND INSTALLATION



Removal steps


1.
 Breather hose


2.
 PCV hose


3.
 PCV valve


4.
 PCV valve gasket


5.
 Oil filler cap


6.
 Rocker cover


7.
 Rocker cover gasket


8.
 Oil seal

>>D<<
 9.
 Oil seal
<<A>>
 >>C<<
 10.
 Rocker arms and rocker arm shaft (Intake side)
<<A>>
 >>C<<
 11.
 Rocker arms and rocker arm shaft (Exhaust side)


12.
 Nut

>>B<<
 13.
 Adjusting screw


14.
 Rocker arm shaft assembly (Intake side)


15.
 Rocker arm "C"


16.
 Piston arm assembly


17.
 Rocker arm "D"


18.
 Rocker arm shaft (Exhaust side)

>>A<<
 19.
 Oil feeder control valve


20.
 O-ring


21.
 Snap ring


22.
 Accumulator spring seat


23.
 Plunger spring


24.
 Accumulator plunger


25.
 Accumulator body


26.
 Taper plug


27.
 Oil feeder control valve filter


28.
 Camshaft

REMOVAL SERVICE POINT

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

INSTALLATION SERVICE POINTS

>>A<< OIL FEEDER CONTROL VALVE INSTALLATION
caution Do not reuse the O-ring.
Install the O-ring after wrap a tape not having adhesion (such as a seal tape) round the notch on the oil passage of oil feeder control valve to prevent it from damage. The damaged O-ring may cause oil leakage.

1.Apply a little amount of engine oil to the O-ring of oil feeder control valve.
2.Install the oil feeder control valve to the cylinder head.
3.Tighten the oil feeder control valve to the specified torque of 11 ± 1 N·m.

>>B<< ADJUSTING SCREW INSTALLATION

Install provisionally the screw to rocker arm, insert it so that end of the screw is flush with the edge of the rocker arm or projects slightly 3 mm.

>>C<< ROCKER SHAFT SPRING/ROCKER ARMS AND ROCKER ARM SHAFT INSTALLATION
1.In accordance with the tags for the reinstallation, install the rocker arm and so on to the rocker arm shaft.
2.Install the rocker arm shaft with oil hole to the lower (cylinder head) side.

3.Install the rocker arm, rocker arm shaft assembly and intake temporarily.
4.Install the rocker arm, rocker arm shaft assembly and exhaust temporarily.
5.Confirm the each rocker arm and rocker arm shaft assembly are in position and then tighten to the specified torque.
Tightening torque:
    M6: 13 ± 1 N·m
    M8: 31 ± 3 N·m

>>D<< CAMSHAFT OIL SEAL INSTALLATION

1.Apply engine oil to the lip area of the oil seal and the front end outside diameter of camshaft.
2.Using special tool Camshaft oil seal installer (MD998713), install the camshaft oil seal.