Enclosed Shift Lever Type
( H e a v y Duty) CRANKING MOTORS
Figure l-Typical enclosed shift lever type heavy duty cranking motor.
The heavy-duty cranking motor has a shift lever
Positive lubrication is provided to the bronze
and solenoid plunger that is totally enclosed to pro-
b u s h i n g s by an oil saturated wick that projects
tect them from exposure to dirt, icing conditions
t h r o u g h the bushings and contacts the armature
shaft. Oil can be added in each wick by removing a
pipe plug which is accessible on the outside of the
A positork drive (fig. 2) is moved into mesh
the ring gear by the action of the solenoid. The
ion remains engaged until starting is assured
the solenoid circuit is interrupted. In case of a
engagement, the motor will not be energized to
vent damage to the pinion and gear teeth.
Under normal operating conditions, no mainten-
a n c e will be required between engine overhaul
periods. At time of engine overhaul motor should
be disassembled, inspected, cleaned and tested as
Figure 2-Positork drive.
described in succeeding paragraph.
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