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TM 10-3930-669-34
Table 3-1. Wear Limits, Fits, and Tolerances
Component
Minimum
Maximum
Connecting Rods - continued:
Rod width
1.3172 in.
1.3228 in.
(33.5200 mm)
(33.6000 mm)
Rod bearing-to-crankshaft clearance
0.0015 in.
0.0038 in.
(0.0400 mm)
(0.0980 mm)
Rod bearing-to-crankshaft maximum clearance
0.0059 in.
(0.1500 mm)
Idler Gear and Journal:
Bearing bushing internal diameter - pressed in
1.5748 in.
1.5757 in.
(40.0000 mm)
(40.0250 mm)
Journal diameter
1.5744 in.
1.5748 in.
(39.9910 mm)
(40.0000 mm)
Journal clearance in bushing
0.0013 in.
0.0026 in.
(0.0340 mm)
(0.0660 mm)
Journal-to-bushing maximum clearance
0.0039 in.
(0.10 mm)
Camshaft:
Camshaft-to-bushing maximum clearance
0.0079 in.
(0.20 mm)
Camshaft bushing inside diameter - nominal
1.8890 in.
1.8911 in.
(47.9800 mm)
(48.0340 mm)
Crankshaft:
Connecting rod journal diameter - nominal
2.3606 in.
2.3610 in.
(59.9410 mm)
(59.9700 mm)
Connecting rod journal out-of-round maximum
0.0004 in.
(0.0100 mm)
Main bearing journal diameter - normal
2.7555 in.
2.7556 in.
(69.9700 mm)
(70.0000 mm)
3-6
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