TM 9-2815-205-34
NOT E
After proper gaps have been obtained, do not tighten inboard main bearing bolts again.
(e)
Install eight main bearing bolts (6) with hardened washers (7) through outboard holes in
support (8) and into threaded holes in cylinder block. Torque bolts uniformly to 91-99 lb-ft
(124-134 N·m) starting with center caps-and working alternately towards both ends of block.
NOT E
If bearings are installed prop-
(10)
(11)
erly, crankshaft will turn freely
with all of bearing cap bolts
drawn to specified torque.
Rotate crankshaft one full turn to ensure
freedom of movement.
Measure Crankshaft End Play
(a)
(b)
Mount dial indicator (28) on rear of
cylinder block with indicator point
resting on rear face of crankshaft gear
(17).
Using large screwdriver between
main bearing cap and crankshaft
counterweight, push crankshaft
toward dial indicator. With constant
pressure on screwdriver, set dial
indicator to zero.
NOT E
If correct crankshaft endplay cannot be obtained with standard size thrust washers, use
0.005 or 0.010 inch oversize washers.
Insufficient end play can result from a misaligned rear main bearing or a burr or dirt on
inner face of one or more thrust washers.
(c) Force crankshaft in opposite direction and
be 0.004 to 0.016 inch with new parts and
END OF TASK
FOLLOW-ON MAINTENANCE
Para Description
3-50 Install cylinder kits (models 5063-5299, 5063-5398,
3-51 Install cylinder kits (models 5063-5392, 5063-5393,
note amount of end play on dial. End play
maximum of 0.018 inch with used parts.
and 5063-5395)
5063-539F, and 5063-539L)
must
Change 1
3-229