TM 5-3895-373-34
2.17
DIESEL ENGINE REPAIR - Continued.
D.
REPAIR - Continued.
NOTES
Fillet radii and surface finish must be maintained during regrinding.
Length of Number 3 main journal not to exceed 1.759 in. (44,68 mm) after regrinding.
Main journal lengths
Number 1.................................................................................................1.453 to 1.473 in. (36,91 to 37,41 mm)
Number 2.................................................................................................1.545 to 1.549 in. (39,24 to 39,34 mm)
Number 3.................................................................................................1.738 to 1.741 in. (44,15 to 44,22 mm)
Number 4.................................................................................................1.545 to 1.549 in. (39,24 to 39,34 mm)
Number 5.................................................................................................1.545 to 1.549 in. (39,24 to 39,34 mm)
Journal fillet radii..................................................................................................0.145 to 0.156 in. (3,68 to 3,96 mm)
NOTE
Width of crankpins must not exceed 1.5965 in. (40,55 mm) after regrinding. Use oversize thrust
washer bearings where necessary.
Crankpin diameter .......................................................................................2.4988 to 2.4996 in. (63,47 to 63,49 mm)
Crankpin length ...........................................................................................1.5885 to 1.5915 in. (40,35 to 40,42 mm)
Crankpin fillet radii...............................................................................................0.145 to 0.156 in. (3,68 to 3,69 mm)
Surface finish
All journals ................................................................................................................. 16.0 m in. (0,4 p) maximum
Fillet radii ...................................................................................................................... 50 m in. (1,3 p) maximum
Main journal and crankpin regrind undersizes.................................................................. -0.010, 0.020, and 0.030 in.
(-0,25, 0,51, and 0,76 mm)
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