TM 5-3810-300-24&P-3
1.7.1
GEAR TRAIN AND TIMING
Remove the pointer attached to the front of the
NOTE: Make certain that the crank-shaft
engine.
pulley retaining bolt is not loosened while
turning the crankshaft. The bolt must be
tightened to 290-310 lb-ft torque if it becomes
loose.
16. Install the injector assembly. Swing the injector and
valve rocker arms back into position and install the
rocker arm brackets and tighten the bolts to the
specified torque. Adjust the valve clearance and
time the injector. Rotate the crankshaft until the
exhaust valves in the selected cylinder are open.
17. Install the dial indicator again so the spindle of the
indicator rests on top of the injector follower as
illustrated in Fig. 3. Set the indicator dial to "O(`.
Rotate the crankshaft slowly in the direction of
rotation, and stop when the TDC mark on the
* Indicator readings shown are nominal values. The
vibration damper or crankshaft pulley lines up with
allowable tolerance is + .005 in.
the pointer.
(1) High velocity type injector cam.
18. Note the reading on the dial indicator and compare it
(2) Low velocity type injector cam.
with the chart.
19. Reset exhaust valves to .012" cold setting. Time
After completing the timing check, remove the dial
injector and reset exhaust valves to .009" hot after
indicator. Remove the shipping caps from injector
warming up engine as outlined in Section 14.
fuel fittings, and install the injector fuel jumper lines,
making sure that they are tightened to prevent any
20. Install the valve rocker cover.
leaks.
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