Kohler KDI 1903 TCR

205
EN
the camshaft tappets AB .
1.
Mount the valve bridge AC on to the pairs of discharge
and suction valves.
Fig 9.55
9.7.7 Rocker arms
Important

To correctly position the rocker arms, turn the rocker arm
pin AH with the lower height AL towards the timing
system side as in Fig.9.57 .

The discharge rocker arm AT is shorter than the suction
arm AR .
1.
Fit the lock ring AM into the seat AN of the rocker arm pin
AH .
2.
Position the pin AH with the screw support surface AP
facing upwards and insert the 2 shoulder rings AQ .
3.
Insert in sequence the suction rocker arm AR , the holder
AS and the discharge rocker arm AT in the pin AH .
4.
Insert the spring AU in the pin AH .
5.
Repeat points 3, 4 for all the rocker arms.
NOTE: The holder AV must be fitted with the last pair of
rocker arms towards the flywheel.
6.
Insert 2 shoulder rings AQ and the lock ring AN to lock all
the components inserted in the pin AH .
NOTE : The spring AU ensures that the supports AS and
AV are kept in place.
Fig 9.57
Fig 9.58
9.7.8 Rocker arm pin assembly
Important

Position the rocker arm pin assembly BB on a level to
align all the support surfaces.

Check that the pistons are positioned half way between
the TDC and BDC. Rotate the crankshaft 90°
counterclockwise with regard to the 1st cylinder TDC,
positioning the crankshaft pin BP as shown in Fig 9.60a .
If the crankshaft pulley and the timing gear cover have
Fig 9.59