TM 5-6115-400-35
1. Camshaft
2. Camshaft gear
3. Snap ring
6115-400-35/86
Figure 86. Removing camshaft.
(2) Measure the clearance between the thrust
plate and camshaft journal using a feeler
gage. The specified clearance (end play)
is .003 inch-.009 inch and should not
exceed .015 inch.
The specified
thickness of a new thrust plate is .329
inch-.331 inch; install a new thrust plate, if
necessary.
f. Camshaft Installation. The camshaft may be
installed by a direct reversal of the removal procedure.
Figure 85. Gear timing marks.
Note.
Make certain the timing marks on
e. Reassembly.
camshaft gear and crankshaft gear
(1) To assemble camshaft gear onto
are alined when camshaft is
camshaft, first place thrust plate in
installed.
position on the camshaft. Install the
woodruff key. Heat the gear in oil to a
56. Camshaft Bearings
temperature of approximately 300 .
F
a. Clearances.
Coat camshaft, at gear location, with a
mixture of white lead and oil and press
(1) The
specified
clearance
between
camshaft gear onto shaft. Install gear
camshaft and camshaft bearings is .003
retaining snap ring.
inch-.007 inch. If clearance is .010 inch
Caution.
or more, new camshaft bearings must be
installed.
The specified diameter of
Use asbestos gloves when handling
camshaft bearing journals is 2.494 inch-
the heated camshaft gear.
2.495 inch. The specified inside diameter
Note.
of camshaft bearings, when installed, is
The camshaft gear must be installed
2.498 inch-2.501 inch.
so that the camshaft protrudes .250
inch beyond the camshaft gear. Use
an improvised plug fixture similar to
the one illustrated in figure 87 to
control the location of the camshaft
gear.
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