TM 5-3805-281-24-2
Camshaft and Timing Gear Train
INSTALL CAMSHAFT GEARS
1. Support camshaft under first bearing journal in a
hydraulic press.
2. Install Woodruff key (A). Lubricate camshaft nose with
FEL-PRO C-670 Molybdenum Disulfide Paste.
3. Set inner gear (B) on camshaft with thrust washer
surface to the inside (toward the camshaft). Align
Woodruff key and keyway.
4. Install gear onto nose of camshaft. Push inner gear on
until tight against the camshaft bearing journal.
Installing Camshaft Inner Gear
5. Set outer gear on camshaft with timing mark upward
(away from the camshaft). Align Woodruff key and
keyway (C) of outer gear (D).
6. Push outer gear onto camshaft nose until tight against
inner gear.
7. Support each end of the camshaft on centers. Use a
dial indicator with plunger resting on the thrust surface
of the camshaft gears.
8. Check the runout of the inner and outer gear thrust
surfaces.
Camshaft Gear Surface--Specification
Runout ........................................................................ 0.10 mm (0.004 in.)
Installing Camshaft Outer Gear
A--Woodruff Key
B--Inner Gear
C--Keyway
D--Outer Gear
FEL-PRO is a trademark of FEL-PRO.
RG,RG34710,1209
1923OCT971/1