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 TM 55-1905-221-14-3
6-23.4. CAMSHAFT AND BALANCE SHAFT GEAR (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSTALLATION (Cont)
b. Lubricate the shaft journals
and place the camshaft and
balance shaft end bearings
(10) in place, with bolting
flanges facing toward gear
ends of shafts. If unit
being serviced is a "D"
engine, install the thrust
washers (11) between the end
bearings and the thrust
shoulders of the shafts, and
between the end bearings and
the gears.
NOTE
Be sure steel faces of thrust washers are next to bearings.
c.
Install Woodruff keys (5) for
gears in both shafts.
NOTE
Note that the teeth on one gear form a right hand helix and on the other a left hand helix.
When viewing the engine from the flywheel end, the gear with right-hand helical teeth is
located on the left side and the gear with left hand helical teeth is located on the right
side of the engine.
d. Rest the non-gear end of cam-
shaft (4) or balance shaft
(7) on a wood block and start
the gear onto the other end
of the shaft by hand so the
keyway aligns with the key
and with the flat finished
face of the gear away from
the bearing.
e. Use gear installer, J1903 to
drive the gears onto the
camshaft and balance shaft.
6-371
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