TM 5-2420-230-24-2
Section V - Engine Component Specifications - Group 18
Component Specifications and Torque Values
B Series
Page V-17
Component or Assembly (Procedure)
Ref.No./Steps
Metric
U.S.
Main Bearing Bore I.D.
(Without Bearings) With Capscrews
Tightened to 176 Nm [130 ft-lb]
87.982 mm
MIN
3.4639 in
88.018 mm
MAX
3.4653 in
Main Oil Pressure Regulator Valve Bore
18.30 mm
MIN
0.7205 in
I.D.
18.35 mm
MAX
0.7224 in
Camshaft Bore Diameter
57.222 mm
MIN
2.2528
in
(Number 1 bore without bushing)
57.258 mm
MAX
2.2543
in
(Number 1 bore with bushing installed)
54.107 mm
MIN
2.1302
in
54.146 mm
MAX
2.1317
in
Camshaft Bore Diameter
54.089 mm
MIN
2.1295 in
All Journals Except No. 1
54.164 mm
MAX
2.1324 in
Cylinder Block Overall Flatness
End-to-end
0.076 mm
MAX
0.003 in
Side-to-side
0.051 mm
MAX
0.002 in
Valve Tappet Bore Diameter
16.000 mm
MIN
0.630 in
16.055 mm
MAX
0.632 in
Crankshaft Front and Rear Oil Seal Wear
0.25 mm
MAX
0.010 in
Groove
L-491
