TM 5-3805-261-34
ENGINE MAINTENANCE.
3-12. Rocker Arm Assembly. (Sheet 11 of 13)
ADJUSTMENT
NOTE
The following step is for locating
number one
cylinder top center.
1.
Remove starting motor on right side of engine.
Refer to paragraph 7-11 in TM 5-3805-261-20.
2.
Install engine turning tool on starting motor
mounting flange.
NOTE
The engine is seen from the flywheel end
when direction of rotation is given.
3.
Using engine turning tool and ratchet, turn
engine clockwise 30 degrees. This action will
remove play in timing gears.
4.
Remove plug (Figure 3-62).
5.
Using engine turning tool and ratchet, turn
engine counter-clockwise. Look through hole
where plug was removed and watch for hole in
flywheel where 3/8-16NC bolt can be installed.
If hole in flywheel is passed up, repeat step 3.
Go to Sheet 12
3-75
Figure 3-62.
