CRANKSHAFT AND MAIN BEARINGS - H-8
Crankshaft Regrinding Data
Fig. H.12.
0.010 in (0.25 mm)
0.020 in (0.51 mm)
0.030 in (0.76 mm)
Undersize
Undersize
Undersize
A
2.9884/2.9892 in
2.9784/2.9792 in
2.9684/2.9692 in
(75,91/75.93 mm)
(75.65/75.67 mm)
(75.40/75.42 mm)
B
2.4888/2.4896 in
2.4788/2.4796 in
2.4688/2.4696 in
(63.22/63.24 mm)
(62.96/62.98 mm)
(62.70/62.72 mm)
C
1.554 in (39.47 mm) maximum
D
1 759 in (44.68 mm) maximum
E
1.5965 in (40.55 mm) maximum
F
1.554 in (39.47 mm) maximum
R
0.145,0.156 in (3.68:3.96 mm) all journals and crankpins.
Surface fi nish, journals and crankpins 16 micro inches (0.4 microns) maximum C.L.A.
Surface finish, fillet radii 32 micro inches (0,8 microns) C.L.A.
Magnetic crack detection
D.C. Flow - 2 amps
A.C. Current - 1600 amps.
Limits of taper and out of round of pins and journals:
Taper
0.00035 in
Out of Round
0.0004 in
(0,009 mm)
(0.010 mm)
Maximum Run-out with the crankshaft mounted on the end main journals.
Independent readings:
Crankshaft pulley
Rear Oil Seal
Flywheel Flange
Diameter T.I.R.
Diameter T.I.R.
Diameter T.I.R.
0.002 in (0.05 mm)
0.002 in (0.05 mm)
0.002 in (0,05 mm)
Journals T.I.R. - Run-out must not be opposed
Number 1
Number 2
Number 3
Number 4
Number 5
Mounting
0.003 in (0.08 mm)
0.006 in (0,15 mm)
0.003 in (0.08 mm)
Mounting
