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Section 02 ENGINE
Sub-section 02 (253 ENGINE TYPE)
Torque to
9 N•m
180
lbf•inl
A003002002
Refer to
"
Top
end" section
to
complete the
assembl
y
INSPECTION
The
inspect
ion of
th
e
engine bottom end must include
the
follow1ng
mea
surements:
TOLERANCES
MEASUREMENTS
FITTING NEW PARTS
WEAR LIMIT
(MIN.)
(MAX.)
Crankshaft
NA
NA
.08
mm
deflection
1.0032""1
Connect1ng
rod
b<g
20
'Tlm
.53
cnm
1.0 mm
end
a"
al
play
1.0078"'1
10208"1
I
0394"1
Crankshaft er1d play
0
.
1
·
0.4
mm
I
004"
·
016"1
0
NOTE
:
For the measurement procedures refer
to
"
Engine
dimensions
measurement"
sect1on
02-10.
ASSEMBLY
General
-.r
CAUTION: Before engine reassembly, make sure
T
there
is
no axial pressure on crankshaft and that
the
crankshaft
end-play is properly adjusted.
Crankshaft end-play adjustment
Refer
to "Engine
dimensions
and measurement". sec-
tion 02-10 for the
procedures
.
6, Distance ring
At
installat1on.
always
locate
its
1nner
rad1us
against coun-
terwe ight rad1us. Make sure it does
not
slip
between
the
cou
nterweight
and the
bear~ng.
02-02·8
5, Crankshaft ball bearing
Pnor to
mstallation.
place
bearings
into
and oil contatner
fill
ed
With
oil
heated
to
100°C
(21 0
°
F) ThiS will
expand
bearings and
ease
installation
.
Install
outer
race groove
outward
.
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