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5-4
HOW
TO REASSEMBLE
1.
PRECAUTION IN REASSEMBLING
1)
Every and each part should be cleaned thoroughly. Easpecially, pay utmost care and attention to the cleanliness of the
piston, cylinder, crankshaft, connecting rod and bearings.
2)
Scrape completely off carbons from the cylinder head and the upper part of the piston; especially the carbon adhered
in
the groove of the piston ring should be carefully and completely taken out.
3)
Carefully check the lip portion of every
oil
seal.
If
faulty one is found, replace it without slight hesitation.
4)
Replace all the gaskets with new ones.
5)
Replace the key, pin, bolt, nuts, etc. with new one, if necessary.
6)
Whenever tightening torque is specified, conform
to
the specified figures.
7)
Apply
oil
to the revolutionary parts and friction surfaces, when reassembling.
8)
Check and cidjust the clearances of variouts portions and then reassemble.
9)
When
some
main Grtions are assembled in the course of reassembling, turn or move the gadgets by hand and pay at-
tntion to the frictional noise and resistance.
2.
REASSEMBLING
1)
Insert the crankshaft into the crankcase.
CAUTION:
Be careful not to damage bearing metal
on the side
of
injection pipe.
For the engine with the balancer, fit the balancer first
to the crankshaft, and then put
it
into the crankcase.
CAUTION:
When
fitting,
check the match mark.
(See Fig.
33.)
Fig.
33
2)
Assemble the bearing housing.
8
x
22
7T
bolt
............
6
pcs.
Spring washer
............
6
pcs.
NOTE:
Apply
oil
or
grease inside the housing oil seal.
CAUTION:
Be sure
to
put
"0"
ring
on.
NOTE:
Set
the
bearing housing
so
that
its
oil
hole
-q
may face upward.
(See Fig.
34.)
3
Fig.
34
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20
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