TM 5-3805-260-24
CRANKSHAFT AND GEAR
7.
Remove the bearing caps and measure the
thickness of the wire. The main bearing
clearance must be .002 to .005 in.(0.05 to
0.13
mm).The
maximum
permissible
clearance is .006 in.(0.15mm).
8.
Put
clean
engine
oil
on
the
bolt
threads{3.100} washer faces and lower
halves of the main bearings. Put the
bearing caps in position and install the
bolts.
Tighten
the
bolts
in
number
sequence as follows:
a)
Tighten bolts 1 through 10 to a
torque of 30 + 3 lb. ft.(40 N-m).
b)
Put a mark on each bolt head and
bearing cap. Tighten bolts 1 through
10 120° 5
more.
9.
Install indicator group (A) and check the end
play of the crankshaft. The end play is
controlled by the thrust bearing on No.4 main
bearing. The end play with new bearings
must be .006 .003 in.(0.15 0.08 mm).The
maximum permissible end play with used
bearings is .012 in.(0.30mm). end by:
a)
install timing gear cover and oil pump
b)
install pistons
c)
install valve lifters
d)
install flywheel housing
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