Kohler KDI 1903M Workshop Manual page 124

9
6. Push the lever of the tool
order to lower the valve disks S in the direction of
the arrow AK, and insert the valve cotters AJ
inside the disk S.
7. Check that the valve cotters AJ are properly
mounted on the valve seats X and release the tool
ST_07.
NOTE: repeat all the steps for the relevant valves and
remove the tool ST_07.
9.7.5 Cylinder head
1. Fix the eyebolts AW with the screws AX onto the
head F (tightening torque of 25 Nm).
2. Position the piston P at the TDC.
3. Position the tool
of the head and measure the piston protrusion P
from head level K in 4 diametrically opposed points
R. Repeat the operation for all pistons P and take
note of the highest average value, determining valu
e S (Tab. 9.2).
Tab. 9.2
S (mm)
0.030 - 0.126
0.127 - 0.250
0.251 - 0.375
4. Based on the value detected at point 3, select the
relevant gasket T as shown in the Tab. 9.2 (Fig.
9.47 detail U).
5. Check that the crankcase surface K and the gasket
T are completely free of dirt and grit.
Important
•
The head gasket must be replaced for each
assembly.
6. Position the gasket T on the surface K with
reference to the centering bushings J.
EN 124
ASSEMBLY INFORMATION
ST_07 downwards, in
ST_03 on the crankcase surface
Hole number
1
2
3
Fig 9.44
Fig 9.45
Fig 9.46
Fig 9.47