Page 333 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL - ENGINE ASSEMBLY 12B-43

(e). Install the lower main bearing shell to the
main bearing cap.
(f). Apply a suitable amount of engine oil to
the surface of lower main bearing shell
and fixed bolt of main bearing cap for
lubrication.
NOTICE:
• Ensure that the location tongue of main bearing
shell aligns at the groove-and-tongue on main
bearing cap in installation.
• Ensure that reverse side of main bearing shell is 12B
clean and free of any foreign matter. Do not use
engine oil to lubricate the reverse side of bearing
shell.
(g). According to the direction mark,
install1、2、4、5main bearing cap
assembly to the cylinder block, tighten the
bolt with hand.
NOTICE:
• The main bearing cap can not exchange. Install
it with the forward arrow towards the timing
sprocket chamber. Reverse installation is not
permitted.
• Before installing main bearing cap, the side face
of main bearing cap needs to be lubricated by
engine oil.

(h). Install two lower thrust washers to the3rd
main bearing cap, install the main bearing
cap, and tighten the bolt with hand.
NOTICE:
Before installing thrust washer, the surface of
thrust washer which has oil groove shall be
lubricated by engine oil.
NOTICE:
Before installing the main bearing cap, the side
face of main bearing cap needs to be lubricated
by engine oil.
WARNING:
When installing the lower thrust washer, the
surface of upper thrust washer which has oil
groove shall be installed towards the crank arm.
Reverse installation is not permitted.

Page 333