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CONNECTING ROD
I
If
a
connecting
rod has
any
flaw
on
both sides of the thrust face and
the
large
end
correct
or
replace
it
2
Check
connecting
rod for bend
or
torsion
using
a
connecting
rod
aligner
If bend
or
torsion
exceeds the limit
correct
or
replace
Bend and
torsion
per
100
mm
3
94 in
length
limit 0 05
mm
10 0020
in
EM133
3
Install
connecting
rods with bear
ings
on to
corresponding
crank
pins
and
measure
the thrust clearance
If
the measured value exceeds the
limit
replace
such
connecting
rod
Big
end
play
Limit 0 6
mm
0 0024 in
When
replacing
conneCting
rod
select
so
that
weight
difference
be
tween
each
cylinder
is within 7 g
0 25
ozl
in the
condition of piston
and
connecting
rod
assembly
ENGINE MECHANICAL
Inspectionsnd Repair
CRANKSHA
CRANK
JOURNAL
AND PIN
I
Repair
or
replace
as
required
If
faults
are
minor
correct
with fme
crocus
cloth
2
Check with
a
micrometer
journals
and crank
pins
for taper and
out
of
round Measurement should be taken
along journals
for taper and around
journals
for
out
of
round
If
out
of round
or
taper
exceeds the
specified
limit
replace
or
repair
Out
of
round
X Y
limit 0 03
mm
0 0012 in
Taper
A
BI
Limit 0
03
mm
0 0012 in
I
A
B
EP
EM767
3
After
regrinding
crankshaft finish
it to
the
necessary size
indicated
in
the
chart
under
S
D S
by
using
an
adequate
undersize
bearing according
to
the
extent
of
required repair
BEND AND END PLAY
I
Crankshaft
can
be
checked for
bend
by
placing
it
on
V
blocks and
using
a
dial gauge with
its
indicating
finger resting
on
center
journal
Bend value
is
half of the total indi
cator
reading
obtained when crank
shaft
is
turned
one
full revolution
If bend exceeds the
specified
limit
replace
or
repair
Bond
Total indicator
reading
limit 0 10
mm
0 0039 in
2
Install
crankshaft
in
cylinder
block
and
measure
crankshaft free end
play
at center
bearing
End
play
limit 0 3
mm
10
012
inl
REPLACING
PILOT
BUSHING
To
replace
crankshaft
rear
pilot
bushing
proceed
as
follows
I
Pull
out
bushing using
Tool
2
Before
installing
a
new
bushing
thoroughly
clean
bushing
hole
EM 11
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