Evinrude 4906B 4HP 1969 Owner's Manual page 232

Turn the commutator
out-of-round by more than 0.005".
Check the springs in the brush holder to
be sure none are broken.
tension and replace if the tension is not 32-
40 ounces. Check the insulated brush hold-
ers for shorts to ground.
worn down to 1/4" or less, they must be
replaced.
Check the field brush connections
lead insulation. A brush kit and a contact
kit are available at your local marine deal-
er, but all other assemblies
ed rather than repaired.
The armature, fields, and brush holders
must be checked before assembling the star-
ter motor. See the testing
chapter for detailed procedures
starter motor.
ASSEMBLING THE PRESTOLITE
1- Slide the plastic
lead retainer into the groove in the frame
with the small protrusion on one side facing
DOWNWARD. Continue pushing the retain-
er into the groove until
Work the brush retainer
the frame with the postive lead through the
cut-a-way in the retainer
be sure the field coil negative
through the cut-a-way in the plate.
2- Install the spring into the retainer.
Push the negative brush into its retainer and
then, wrap a fine piece of wire around the
front side of the brush and the back side of
the retainer. Tighten the wire snugly.
wire will hold the brush in the retainer.
Repeat the procedure for the positive brush.
Check to be sure the plate
onto the frame and the cut-a-way
in a lathe if it is
Check the spring
If the brushes are
and
must be replac-
section in this
to test the
terminal and brush
it
is fully seated.
down on top of
plate. Check to
brush passes
This
is secured
is over
PRESTOLITE STARTER
the protrusion of the positive plastic termi-
nal.
Clamp the armature
with soft jaws with the drive gear facing
DOWNWARD. Install
onto the end of the armature
the frame assembly down over the armature
until the brushes are over the commutator.
3- After the armature
and remove the wire wrapped
brushes to hold them in place.
should then make
commutator.
4- Install the end cap onto the end of
the starter motor.
nipples on the inside of the end cap. These
nipples MUST index with matching
in the retaining plate.
the side of the end cap with the terminal.
Lower the cap onto the frame, and seat it
GENTLY. NEVER tap with a hammer
other tool, because the nipples may not be
indexed with the dimples and the tapping
may cause damage.
in a vise equipped
the thrust washers
shaft. Lower
is in place, cut
around the
The brushes
firm contact with the
Observe three small
dimples
Align the mark on
6-43
or