TM 5-6115-400-35
camshaft supplies oil to the camshaft gear from the front
(5) Lubricate flange and sealing lip with clean
camshaft bearing.
engine oil. Do not use grease, soap,
white lead, et.
b. Removal. The camshaft may be removed
without removing the engine; however, if the camshaft
d. Flywheel Housing Installation.
bearings require replacement, engine removal is
(1) Clean rear of cylinder block.
necessary.
(2) Position new flywheel housing-to-block
(1) Remove the timing gear housing cover
and
housing-to-camshaft
preformed
(refer to para 48).
packings in the grooves of the housing.
(2) Remove the push rods and valve lifters
(3) Assemble flywheel housing to the rear of
(refer to para 44).
the block by reversing the removal
Note.
procedure. Tighten the attaching housing
Before removing the camshaft gear,
bolts to a torque of 95-105 ft. lbs. Tighten
rotate the crankshaft until the timing
the capscrews securing the rear of the oil
marks on the crankshaft gear and the
pan to the flywheel housing.
camshaft gear are alined. See figure
(4) Install the flywheel (para 53).
Note.
(3) Remove capscrews and lockwashers
Final installation of the flywheel into
attaching camshaft thrust plate to cylinder
the seal is blind, therefore extreme
block. Using care to prevent the lobes
care must be exercised to prevent
from damaging the bearings, remove
crimping or cutting the sealing lip of
camshaft and camshaft gear as an
seal when installing the flywheel.
assembly.
c. Disassembly. Remove the gear retaining snap
55. Camshaft
ring from the end of the camshaft and press the shaft
a. General. The camshaft is supported in the
from the camshaft gear. Remove the woodruff key and
cylinder block by four precision type bronze bearings.
thrust plate.
Lubrication is supplied to the camshaft bearings from
d. Inspection. Inspect camshaft gear for nicked,
four oil passages drilled horizontally through the cylinder
scored, or broken teeth; inspect camshaft lobes for
block. An oil passage drilled into the gear end of the
wear.
Figure 84. Camshaft and camshaft gear.
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