H (Tab. 8.10); Fig. 9.1 - Kohler KDI Series Workshop Manual

9
9.3 Engine block assembly
9.3.1 Crankshaft bushings
Important
• Execute the procedure in Par. 8.2.1 and
proceeding with assembly.
• The crankshaft half-bearings are made of special material.
Therefore, they must be replaced every time they are
assembled to prevent seizures.
1 - Fit the new half-bearings B onto the crankcase upper half E
adhering to the reference notches C.
Important
• After the half-bearings are fitted, check that the lubrication
holes D correspond with the crankcase grooves E.
• The lower and upper half bearings CANNOT be singularly
replaced, and both halves must be replaced together.
2 - Fit the new half-bearings S onto the lower crankcase F using
the reference notches C.
3 - Lubricate the half-bearings A and B with oil.
9.3.2 Tappets
1 - Lubricate the tappets G with oil.
2 - Insert the tappets G into the housings H of the upper
crankcase.
9.3.3 Camshaft
1 - Check that the bushing Q is correctly fitted.
2 - Lubricate the pins L, the cams M of the camshaft N, all the
housing P and the bushing Q with oil.
3 - Insert the camshaft N all the way into its housing P.
4 - Fit the lock ring R on to the crankcase E to hold the position
of the camshaft N.
5 - Manually rotate the camshaft N ensuring that it is free.
130
ASSEMBLY INFORMATION
8.2.2,
before
B
A
D
E

Fig. 9.1

S C
Fig. 9.2
G
Fig. 9.3
P L
Q
E
Fig. 9.4
C
F
H
N
ED0053029590
M
R
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