TM 5-3810-288-12
Figure 7-54. Arrangement of exhaust and intake valves.
to loosen the adjusting screw locknut before turning the
adjusting screw, and to tighten the adjusting screw
locknut before releasing the adjusting screw.
(5) Turn the engine over 120 crankshaft
degrees (60 camshaft degrees) using the rachet. This
will bring piston number five to top dead center on
compression stroke. Repeat for each cylinder, in firing
order sequence, which is 1-5-3-6-2-4.
(6) Refer to figure 7-53 and replace the valve
tappet cover.
7-51. Clutch Control
a. Inspection. Inspect the clutch pedal free travel
by depressing the clutch pedal by hand until resistance is
felt, and then release the pedal. Measure the distance
the pedal travels from the released position to where
resistance was felt. If the pedal free travel is less than
inch or more than 1 inch the clutch must be adjusted.
b. Adjustment.
(1) With e clutch engaged, adjust the re-lease
sleeve to one (1) inch clearance between contact surface
of release bearing housing and the machined surface of
Figure 7-55. Adjusting valve tappet clearance.
the clutch housing.
and figure 3-41 for appearance of the top dead center
Note. Do not lock the sleeve locknut until the
mark.
pedal linkage is adjusted for free travel.
(4) The arrangement of the valves in this engine
is as shown in figure 7-54. Refer to figure 7-55 and
adjust the exhaust valve for cylinder number one to the
clearance shown. Then adjust the intake valve to the
clearance shown. Be sure
7-62
