Technical data

~ ~
?’
ENGINE MAIN MECvANICALs UNI$
CRA$lKSHAFT, THRUST RINGS AND MAIN BEARINGS
~
Cranlishaft
Out of. round
X - Y
1 Flywheel locating dowel
2 Gear tooth beginning line
Taper
A-B
Unit: mm (in)
Eng/ne
1200 *
1’350 1500
1700
305.85
305.86187 305.88
305.50/58
Inspection date
59,944 + 59,957
Standard
Undersize
lst* 59,690 + 59,703
2nd
59,436 f 59,449
3rd
59,182 + 59,195
4th
58,928 + 58,941
Blue
Red
1st
2nd
3rd
4th
ye,in jpurnal diameter “d”
‘8
Standard
,i
49,984 ‘: 49,992
49,992 4 50,000
Crank;pin diameter “e”
1’
~ ~ 49,733d 49,746
49,479 $49.492
49,225 + 49,238
48.971 + 48,984
Unders’ize
Rd& main jciurnel length “c”
Standard
28.51 + 28.55
28,764 + 28,804 (1)
Oversize
Fillet tadii “r”
Front and centre1 main
journals
Rear main journal
Crank pins
1,8?2
”
1,5+1,7
2.8 ~+ 3
Length of fillet radli portions ‘If”’
;Front main joucnals
.i
2,ll 7 2.81
Central main journal
24.05 % 24.15
Rear main journal
24.22 + 24,32
Ly”th of parallel portion “a”
0.16. 103
&rface roughness of main journals and crankpin
I
X-;V &ality and limit for taper
A-p of main’ journals and crankpins
O,qOS
o.o;
0,015
MAX. error of parallelism between crankpins and,main journal6
m,,
Max. misalignment among main journsls
0.02
0.25
(“J No/ marketed in all countries
PI-27
May 1988