TM 5-3895-373-34
2.17
DIESEL ENGINE REPAIR - Continued.
D.
REPAIR - Continued.
NOTES
Surface finish, journals and crankpins, is 16.0 m in. (0,4 p) C.L.A. maximum.
Surface finish, fillet radii, is 50.0 m in. (1,3 p) C.L.A.
MAXIMUM RUNOUT WITH CRANKSHAFT ASSEMBLY
MOUNTED ON END MAIN JOURNALS
Crankshaft pulley - Diameter T.I.R ................................................................................................0.002 in. (0,05 mm)
Rear oil seal - Diameter T.I.R........................................................................................................0.002 in. (0,05 mm)
Flywheel flange - Diameter T.I.R...................................................................................................0.002 in. (0,05 mm)
Journals T.I.R.
Number 1....................................................................................................................................................... Mounting
Number 2...............................................................................................................................0.003 in. (0,08 mm)
Number 3...............................................................................................................................0.006 in. (0,15 mm)
Number 4...............................................................................................................................0.003 in. (0,08 mm)
Number 5............................................................................................................................................... Mounting
Oil seals
Helix diameter (rope seals only) ..............................................................3.124 to 3.125 in. (79,35 to 79,38 mm)
Helix width ...................................................................................................0.050 to 0.080 in. (1,27 to 2,03 mm)
Helix depth...................................................................................................0.004 to 0.008 in. (0,10 to 0,20 mm)
Flange diameter ..........................................................................................5.247 to 5.249 in. (133,27 to 133,32 mm)
Spigot bearing recess
Depth ...................................................................................................................................0.781 in. (19,84 mm)
Bore .....................................................................................................1.8497 to 1.8502 in. (46,98 to 47,00 mm)
Crankshaft end float ............................................................................................0.002 to 0.015 in. (0,05 to 0,38 mm)
CRANKSHAFT THRUST WASHER BEARINGS
Type................................................................................................ Steel backed, aluminum tin, or lead bronze faced
Position in engine ........................................................................................................................ Center main bearing
Thrust washer bearing thickness (std) ................................................................0.089 to 0.091 in. (2,26 to 2,31 mm)
Thrust washer bearing thickness (o/s) ................................................................0.096 to 0.099 in. (2,44 to 2,51 mm)
Outside diameter .........................................................................................4.088 to 4.098 in. (103,84 to 104,90 mm)
Inside diameter................................................................................................3.420 to 3.430 in. (86,87 to 87,12 mm)
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