Evinrude 4906B 4HP 1969 Owner's Manual page 266

to connect the upper
lower rod. If the coupler
installed properly, any shifting will be
cult.
c-
Parts in the lower unit are worn from
extended use.
Frozen Power head
This
condition
operator unsuccessfully
the engine, either
with a starter motor.
rotate. Do not assume the engine is "froz-
en" until the lower unit has been removed
and thoroughly checked.
"locked" (the drivehsaft
will not rotate), the power head will have the
indication of being
rotate the flywheel).
The first step to perform
conditions is to "pull" the lower unit, and
then again attempt
the attempt is successful
unit disconnected,
lower unit. If the attempt
engine is still unsuccessful, the problem is in
the powerhead.
8-3 PROPELLER REMOVAL
The shear pin on most outboard units is
installed through the propeller
tween the propeller washer and the propell-
er nut.
To remove the propeller,
cotter key, and then remove
nut, shear pin, and washer.
Checking for a "frozen" powerhead
er unit. If the crankshaft
forth slightly with the hand starter,
the lower unit, not the powerhead.
shift rod with
has not been
is suggested when the
attempts to crank
with a hand starter
The flywheel will not
If the lower unit is
or propeller shaft
"frozen" (failure
under these
to crank the engine.
with the lower
the problem is in the
to crank the
shaft
first pull the
the propeller
Because the
or "locked" low-
can be rotated back-and-
the problem is
the
diffi-
or
to
If
Arrangement
nut on a typical lower unit.
is installed after the propeller and washer
shear pin
able to move on the pin and cause burrs on
the hole.
remove because of these burrs.
come this problem,
be-
Installation
in
are
and washer
PROPELLER REMOVAL
of
the shear pin, washer, and propeller
In this case, the shear pin
not a fit, the propeller is
is tight
The propeller may be difficult to
the propeller
before
of the shear pin
installed.
8-7
are
in place.
To over-
hub has
the propeller,