Kohler KDI 1903M Workshop Manual page 125

7. Check that the surface head W is free from
impurities.
8. Position the head F on the crankcase Z with
reference to the centering bushings J.
Important
•
The fastening bolts V must be replaced every time
they are assembled.
9. Secure the head F by tightening the screws V
strictly following the sequence indicated in the Fig.
9.52 or Fig. 9.53 and the tightening torque
indicated in the Tab. 9.3.
Important
•
Failure to adhere to the bolt fixing procedures may
compromise the functionality of the engine, and
also may cause damage to persons and property.
•
Tighten capscrews V observing the cycles,
tightening, and subsequent rotation as indicated in
Tab. 9.3.
•
For engine KDI 1903 M: 8 screws Torx M12x1,25
(Fig. 9.49).
•
For engine KDI 2504 M: 10 screws Torx M12x1,25
(Fig. 9.50).
Tab. 9.3
CYCLE
1
2
3
4
5
6
ASSEMBLY INFORMATION
TORQUE
40 Nm
70 Nm
100 Nm
90°
90°
90°
Fig 9.48
3 CYLINDERS
Fig 9.49
4 CYLINDERS
Fig 9.50
9
125
EN