Kohler KDI 1903 TCR

187
EN
9.3 Engine block assembly
9.3.1 Crankshaft bushings
Important

Execute the procedure in Par. 8.2.1 and
8.2.2 , before 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.
1.
Fit the new half-bearings S onto the lower
crankcase F using the reference notches C .
2.
Lubricate the half-bearings A and B with oil.
Fig 9.1
Fig 9.2
9.3.2 Tappets
1.
Lubricate the tappets G with oil.
2.
Insert the tappets G into the housings H of
the upper crankcase.
Fig 9.3