Evinrude 4906B 4HP 1969 Owner's Manual page 229

6-40 ELECTRICAL
DISASSEMBLING
2- Observe the caps and find the identi-
fying mark or boss on each.
are not visible, make an identifying
prior to removing the thru-bolts as an essen-
tial aid during asembling.
bolts from the bracket
tor.
3- Use a small
FULLY tap the lower cap free of the starter
motor.
4- Pull on the armature
drive gear end and remove it from the field
frame assembly. Remove the brushes from
their holders, and then remove the brush
springs. Lift the white plastic retainer
from the frame. Observe the location
the notch on the retainer
frame. The retainer must be installed in the
same position.
ARMATURE TESTING
Testing for a Short
1- Position the armature
then hold a hacksaw blade over the arma-
ture core. Turn the growler switch to the
If the marks
mark
Remove the thru-
and the starter mo-
hammer and CARE-
shaft from the
free
of
in relation to the
on a growler,
ON position. Slowly rotate the armature.
the hacksaw blade vibrates, the armature
commutator has a short.
between the commutator
ture. Perform the test again.
saw blade still vibrates during the test, the
armature has a short and MUST be replaced.
If
or
Clean the grooves
bars on the arma-
If the hack-