Evinrude 4906B 4HP 1969 Owner's Manual page 392

problem, the propeller
running the full length of the hub. Hold the
shaft from turning,
propeller 1/4 turn to position
over the dr ive pin holes.
then be pulled straight off the shaft.
the propeller has been removed,
dr ive pin holes on both sides of the shaft to
remove the burrs.
Installation
On some model engines, the shear pin is
installed behind the propeller.
the propeller shaft
Perfect Seal, and then the propeller instal-
led. After the propeller
install the washer, shear pin, propeller nut,
and finally a NEW cotter pin.
Draining Lower Unit
Remove the VENT plug just above the
anti-cavitation plate
FILL plug f rom the gear housing.
remove the vent or filler
drive unit is hot. Expanded lubricant would
be released through the plug hole.
CRITICAL WORD
The Phillips screw securing the shift fork
in place is located
screw. If the wrong screw
BAD NEWS, VERY BAD NEWS.
unit will have to be disassembled in order to
return the shift fork to its proper location.
Allow the gear lubricant
the container. As the
Draining lubricant from
to
not remove the Phillips
screw secures the Shift fork in position.
hub has two grooves
and then rotate
the grooves
The propeller can
After
file the
On such units
should be coated with
is on the shaft,
FIRST, and then the
NEVER
plug when the
very close to the vent
is removed,
The lower
to drain into
lubricant drains,
a
lower I1nit. TAKE CARE
by
screw mistake.
catch some with your fingers, from time-to-
time, and rub it between
finger to determine
the
are present.
lubricant,
assembled,
parts replaced.
If the lubricant appears milky brown, or
if large amounts of lubricant
to bring the lubricant up to the full mark, a
thorough check should be made to determine
the cause of the loss.
Filling Lower Unit
Add only OMC lower
Lubricant,
ual, is as follows:
known as Premium Blend Gearcase
all electric
mium Blend Lube or the OMC Hi-Vis Gear-
case Lube for all other engines.
regular automotive-type
unit because it expands and foams too much.
Lower units do not have provisions
commodate such expansion.
The gearcase
ed twice each year or season.
cant is purchased in a large container,
the one-gallon
can be realized.
Lubricant
shift capabilities.
tioned in the illustration
This
present.
LOWER UNIT
your thumb and
if any metal particles
If metal is detected
the unit must be completely
inspected, and the
must be added
unit
for engines covered in this man-
Use ONLY Type C, now
shift models. Use either Pre-
grease in the lower
lubricant should be chang-
size, a considerable
What is not used this
being drained from a lower unit without
Therefore, the Phillips
in the left
10-11
in the
dis-
damaged
lubricant.
Lube, in
NEVER use
to ac-
If the lubri-
say
savings
screw men-
column is not