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Items of adjustment
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Criteria
, limit of
application
Description
Tools Ramarks
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1 Crankpm outside dia.
, 19.920 !
Mtcrometer Replacement
Crankshaft 1
Generator 20e, -0.003
!
Crankshaft
side
-0.012
19.950
I Micrometer Replacement
journal outside
dia.
Counter-
side
, 7. -0.003
-0.011
‘6.950
Micrometer Replacement
Cam crest
18.4%” 18.15 ! Micrometer ! Replacement
Camshaft
Camshaft
i &:erator
,O9-o.O’3
-0.028 :
9.950
Mtcrometer ( Replacement
journal
outside dia.
Counter- -0.01 3
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side
log -0.028
9.959
Micrometer Replacement
Valve
spring
Free length
Squareness
25
24
1 .o
Slide calipers Replacement
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Square
Replacement
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Intake 5.50
-0.020
Outside dia.
-0.032
5.440 1
Mtcrometer
Replacement
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of valve stem
I Exhaust 5.5@
-0.056
-0.074 5.409
Micrometer
Replacement
Clearance be-
Intake 0.02 0.05
-
0.2
tween valve
At valve guide
Cylinder gauge
Replacement
Intake and
stem and
center
exhaust valve guide Exhaust 0.056 - 0.092
0.2
Cylinder gauge
Replacement
valve
’
Intake
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Tappet
0.08 -0.12
-
0.05 0.25,
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Searcher
Replacement
l
clearance
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Exhaust
0.08 -0.12 0.05 - 0.25
Searcher
Replacement
1
’ Clearance
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8
between
Intake
0.1 -0.3 i 0.5
’
, Slide calipers
Replacement ’
groove and
Exhaust
retainer
0.1 -0.3 0.5
1 Slide calpers
Replacement
Valve stem
Intake
3.5
!
2.5 1
Slide caltpers
Replacement
end length
Exhaust /
3.5 2.5
Sltde calipers
Replacement
i Total length
j 20.8 +i.” 20.3 )
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Slide calipers Replacement
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Tappet
!
Clearance between stem
1 and guide
0.01 -0.03
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Spark
Type
BMR-4A (NGKI
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Plug
Electrode gap
0.6 -0.7 1.0
Searcher
Replacement
Fuel con-
’ 50 Hz rating
0.5
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sumption
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(l/hr) [ 60 Hz rating
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0.6
I~- ~~
Lubricating 1 50
Hz rating
Oil con-
sumption
(cc!hr) 60
Hz rating
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4 20 :
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5 20 1
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Quantity of lubricating oil cc
350
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AutomotIve engine oil of class over SC
Lubricating oil replacement Interval
Compression pressure (kg/cm2/rpm)
I Inittal: 20 hours after start
Regular: Every 100 hours
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41800
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Pressure
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1 guage ’
-69-