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.,1.00-
12~oCinhot
oil. It is. forbidden to insert thee'pin with, any
·heavy blow in cold condition to prevent the pin bore fromda:ma·ge.
When reassembling the piston with connecting rod ,thecombustiorl
cham.her cavity on the piston crown should be on the same 'side
with the
45°
splitting plane of the connecting rod
shank~
During in-
stalling the piston and connecting rod into the liner,thecombtls-
tion chamber cavity on the piston crown should be in the same side
. with the injeC:;,tqr.e·Whe.n the piston
is ,atT.·. . D.·,C.•
·::;·-,the
top surface of
the piston is
high~r_than
thesarne
oftbe
line~rbY.Jes.~
than
o.
5 rom
and the
differ~_in'¢levati6nofthepistotftop~~ace
at
T. D.
C
b~eenany .two cylinders on the same engine should"1)e':within
O.15mm.
I.
The oil passage in the crankshaftsh<:>i1H:t~h~2arfully cleaned
and the edge of· the oil hole should be rouD.iledoff:and smoothed
with a fine oil stone.
New bearings 'should be tested turnin.gbefore installing for·-
mally ; The connecting rod
b~aring
can be turned freely around the
journal.
by
hand after tightening the connecting rod bolts. 1n·-
stalling the crankshaft with main bearings, tightening all of ;the
nuts, the crankshaft can
be,.
turned freely.
by hand. It is permissible
to remove the individual hard spot oo.the joint face of the shell
by
means of a scraper.
J.
It is important to tighten the connecting rod bolts and the
main bearing nuts evenly with the specified torque of 98 -118N -.
Ill.
respectively and locking thenl with wires. ()ther'\A,Tise, an acci-
dent may occurs due to looseness or breakage of any bolt:
K. The flywheel bolts should be tig·htened evenly in sequence
as shown in Fig. 15 and locked with lock plates after the specified
torque of 98-118N • m has 'been reached.
40
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