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 finish, 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
