CAC Gasoline Engine Maintenance And Servicing Manual
43
——Nine main bearing bolts are hex head flange side bolts, and one is stud.
For horizontal engine, the stud is mounted in the left threaded hole of the
second main bearing cap (see from the front) which is for installing the
carrier of oil collector. For the vertical engine, it should be mounted on the
left threaded hole of the forth main bearing cap (see from the front).
Before installing the main bearing bolt, engine oil should be applied on
the joint surface of head end.
The main bearing bolt and stud should be screwed by hand first and
tightened to 90—100Nm.
——The max rotating torque of the crankshaft (with piston rod assembly) is
16Nm.
【12】. The removal and installation of oil baffle assembly
Removal：
——Take out the oil baffle assembly
from the right of the back end of the
cylinder body.
Installation：
——Install the oil baffle assembly from
the right of the back end of the cylinder
body (viewed from the front). The oil
baffle assembly should be tensioned. The
spring should be lower than the flange
surface of cylinder block oil pan.
Fig. 69
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