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TIMING GEAR COVER
Removal
Remove the hood and hood support. Dis-
connect the carburetor link rod and the gov-
ernor spring. Remove crank jaw. Use twc
3/8" caps crews and pull crankshaft pulley
as shown. Do not run cnpscrew throug};
against die cast cover or pry against cover
as it may be easily damaged.
Inspection
See "governor" and oil seals.
Assembly-
Tighten capscrews to 15 ft. lbs. torque.
--"--- --~.
PULLING CRANKSHAFT PULLEY----
GOVERNOR & GOVERNOR WEIGHT ASSEMBLY
Removal
Remove the hood and hood support and the
fan belt. Pull the crankshaft fan drive sheave.
Disconnect the carburetor throttle link rod
from the carburetor and the governor spring
from the governor arm. Remove the timing
gear cover from the engine.
Reznovethe snap ring from the governor shaft
and turn the shaft until the tapered groove pin
can be driven out of the governor arm. The
shaft and lever assembly can be pulled from
the timing gear cover. A 3/16" thrust pivot
ball is used under shaft. The needle bearing
may be driven from the cover.
Assembly
If the needle bearing has been removed, it
should be replaced with a new part anc
pressed into place. Install the lever and
shaft assembly in the timing gear cover using
a newdust seal. Be sure pivot ball is in posi-
tion. At any time when the timing gear cover
is reznoved a new crankshaft oil seal must be
used. Tighten the timing gear cover capscre'l.\
to 15ft. lbs. torque.
To adjust the governor, back out the gover-
nor bumper spring adjusting screw entirely.
Place the throttle lever in the full speed po-
sition and holdthe carburetor in the full speed
position. Adjust the carburetor link rod until
it just fits between the governor arm and the
carburetor. Adjust the ball joint at the end
of the carburetor throttle link rod until it is
free of all slack but not tight. The throttle
rod is provided with a stop to keep the en-
gine from being over speeded. Make sure
this cotter pin stop is in place. Be sure that
the throttle rod has not been bent at the spring
end which would cause interference with the
spring.
The governor bumper spring adjusting screw
is provided to eliminate surge from gove~-
nor. It is usually not necessary to use this
screw - however, if the engine does surge
G - 15
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