D439E Service Manual 2. Engine Mechanical System (D439E)
82
Installation
1. Install oil jet (1) to the cylinder block.
2. Install thrust plate (1) and upper main bearing (2)
to the crankcase.
CAUTION
a. Install the thrust plate with the oil groove less
side toward the crankcase.
b. Align the lug groove of crankcase with the lug
of main bearing.
c. Since there is oil hole at upper bearing, take
care not to be interchanged with lower bearing.
d. Apply engine oil on the all over the sliding
surface.
3. Install the crankshaft (1) to the cylinder block.
CAUTION
Handle crankshaft care fully not to be damaged.
4. Install the front, rear and main bearing caps.
a. Insert the lower main bearing (1) into bearing
cap (2).
NOTE : Check to see whether the main bearing lug
matches main bearing cap lug groove.
b. Install thrust plate (3) to the rear-bearing cap.
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