Kohler KDI 2504TM Workshop Manual page 126

9
9.7.4 Valves
1. Pre-lubricate and insert the valves X into the head F
taking care to fit them in the original positions as per
the reference marks made in
2. Position the spring Y on the seat of the head F.
3. Position the disk S on the spring Y centering the
valve X.
4. Mount the tool
the holes for securing the rocker arm cover.
NOTE: Change the fixing hole according to the position of the
valves to be fitted.
5. Position the tool
figure.
6. Push the lever of the tool
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
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
EN 126
ASSEMBLY INFORMATION
Par. 7.11.3.1.
ST_07 on the head F fixing it on one of
ST_07
on the valve as shown in the
ST_07 downwards, in order
ST_03 on the crankcase surface of
Hole number
1
2
Fig 9.42
Fig 9.43
Fig 9.44
Fig 9.45