CON ROD
CONROD
SMALL
END 1.0.
Measure the conrad small end inside diameter using t
he
small
bore gauge.
If the conrad small end inside diameter exceeds the service
limit, replace the conrad wi
th
a new on
e.
S 09900-20605: Dial
calipers
_
Conrad
small
end
1.0
.
Service
Limit:
20.040
mm
(0.7890
in
)
CONROD DEFLECTION AND BIG END SIDE
CLEARANCE
Wear on the big end of the conrad can be estimated by checking
the movement
of
the small end
of
the rod. This method can also
be used to check the extent
of
wear on the parts
of
the
conrOO
's
big end.
It
%&
! 09900-20701: Magnetic
stand
09900-20606: Dial
gauge
(1
/100
mm)
09900-21304: V-
block
set (100 mm)
_ Conrad
deflection
Service
Limit:
3.0
mm
(0.12 In)
Push the big end of the con rod to one side and measure the
side clearance using a thickness gauge. If the clearance
exceeds the seNiee limit, replace the crankshaft assembly with
a new one or bring the deflection and the side clearance within
the service limit
by
replacing t
he
worn parts (con rod, big end
beari
ng
, crank pin, etc.)
wi
th new ones.
Iilb
09900-20803:
Thickness
gauge
B Big end
side
clearance
Service
Limit:
1.0
mm
(0.04 In)
CRANKSHAFT
CRANKSHAFT
RUNOUT
Support the crankshaft using V·blocks and measure the crank·
shaft runout usi
ng
the dial gauge, as shown. If the runout
exceeds the service
limit, repiace the crankshaft with a new one.
S 09900-20606: Dial ga
uge
(11100
mm)
09900-20701 :
Magnetic
stand
09910-21304: V-block set (100
mm)
_
Crankshaft
runout
Service
limit
: 0.
08
mm
(0.003 in)
EN
GINE
3·
33
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