TM 5-3820-245-14&P
ADJUSTMENT OF MECHANICAL GOVERNOR SHUTDOWN SOLENOID
Fig. 7 - Typical Variable Speed Governor Lever Position
2. With the stop lever in the run position, adjust the rod
end eye or right angle clip for minimum engagement on
When a governor shutdown solenoid is used on an
the solenoid plunger when the connecting bolt is
engine equipped with a mechanical governor, the
installed. The oversize hole in the eye or clip will
governor stop lever must be properly adjusted to match
thereby permit the solenoid to start closing the air gap,
the shutdown solenoid plunger travel.
with a resultant build-up of pull-in force prior to initiating
stop lever movement.
The solenoid plunger can be properly aligned to the
governor stop lever as follows:
3. The bolt through the rod end eye or the right angle
clip should be locked to the stop lever and adjusted to a
1. Remove the bolt connecting the rod end eye
height that will permit the eye or clip to float vertically.
(variable speed governor), or the right angle clip
The clearance above and below the eye or clip and the
(limiting speed governor) to the stop lever (Figs. 7 and
bolt head should be approximately 1/32" minimum.
8). Align and clamp the lever to the shutdown shaft in
such a way that, at its mid-travel position, it is
NOTE: The lock nut can be either on top of
perpendicular to the solenoid plunger. This assures that
or below the stop lever.
the linkage will travel as straight as possible. The
solenoid plunger has available 1/2 " travel which is more
4. Move the lever to the stop position and observe the
than adequate to move the injector control racks from
plunger for any possible bind. If necessary, loosen the
the full-fuel to the complete no-fuel position and
mounting bolts and realign the solenoid to provide free
shutdown will occur prior to attaining complete travel.
plunger motion.
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