TM 5-3895-373-34
D.
REPAIR - Continued.
9.
SERVICE WEAR LIMITS.
NOTE
These wear limits indicate the respective items that should be serviced or replaced.
Cylinder head assembly bow
Transverse.............................................................................................................................0.003 in. (0,08 mm)
Longitudinal ...........................................................................................................................0.006 in. (0,15 mm)
Maximum bore wear........................................................................................................................0.008 in. (0,2 mm)
Crankshaft main and big end journal wear, ovality......................................................................0.0015 in. (0,04 mm)
Maximum crankshaft end float ......................................................................................................0.015 in. (0,38 mm)
Valve stem to bore guide clearance
Intake.....................................................................................................................................0.005 in. (0,13 mm)
Exhaust..................................................................................................................................0.006 in. (0,15 mm)
Valve head thickness between run-out of valve seat and face of valve..........................................1/32 in. (0,79 mm)
Rocker clearance on rocker shaft assembly .................................................................................0.005 in. (0,13 mm)
Camshaft journals, ovality and wear .............................................................................................0.002 in. (0,05 mm)
Camshaft end float ........................................................................................................................0.020 in. (0,51 mm)
Idler gear end float ........................................................................................................................0.010 in. (0,25 mm)
Valve head depth below cylinder head assembly face
Intake....................................................................................................................0.061 in. (1,55 mm) maximum
Exhaust.................................................................................................................0.073 in. (1,85 mm) maximum
ENGINE BLOCK
Parent bore diameter for flanged cast iron cylinder liner.............................................................. 4.1025 to 4.1035 in.
(104,20 to 104,23 mm)
Depth of recess for liner flange ...........................................................................0.150 to 0.154 in. (3,81 to 3,91 mm)
Main bearing parent bole diameter................................................................ 3.166 to 3.167 in. (80,42 to 80,44 mm)
Camshaft bore diameter number 1 for bushing (where fitted) ..................................................... 2.1875 to 2.1887 in.
(55,56 to 55,59 mm)
Camshaft bearing bushing internal diameter, fitted.....................................2.0000 to 2.0017 in. (50,80 to 50,84 mm)
Camshaft bore diameters
Number 1.................................................................................................2.000 to 2.001 in. (50,80 to 50,83 mm)
Number 2...............................................................................................1.990 to 1.9918 in. (50,55 to 50,59 mm)
Number 3...............................................................................................1.970 to 1.9718 in. (50,04 to 50,08 mm)
CAST IRON CYLINDER SLEEVES
Outside diameter of flanged, prefinished service liner,
flanged non-flame ring.....................................................................4.1025 to 4.1035 in. (104,20 to 104,23 mm)
Bore diameter of prefinished service liner in block..........................................3.878 to 3.887 in. (98,50 to 98,72 mm)
Height of top of liners above engine block face...................................................0.028 to 0.037 in. (0,71 to 0,94 mm)
Flange thickness of liner......................................................................................0.150 to 0.152 in. (3,81 to 3,86 mm)
Relationship of liner flange to engine block face ............................................................ 0.002 in. (0,03 mm) above to
0.004 in. (0,10 mm) below
Overall length of liner...................................................................................8.899 to 8.930 in. (226,04 to 226,84 mm)
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