Evinrude 4906B 4HP 1969 Owner's Manual page 390

4- Drain, and then fill the lower unit
with OMC Lower Unit Gear Lubricant,
outlined in Section 10-8.
5- Lubricate the throttle
age. Lubricate the swivel pin and the tilt
tube with Multipurpose Lubricant, or equiv-
alent.
Clean the engine thoroughly.
power head with Corrosion and Rust Preven-
tative spray. Install the hood and then apply
a thin film of fresh engine oil to all painted
surfaces.
Remove the propeller.
Seal or a waterproof sealer to the propeller
shaft, and then install the propeller back in
position.
FINAL WORDS: Be sure all drain holes
in the gear housing are open and free of
obstruction. Check to be sure the
plug has been removed to allow all water to
drain. Trapped water could freeze, expand,
and cause expensive castings to crack.
ALWAYS store the engine off the boat
with the lower unit below the powerhead to
prevent any water from being trapped in-
side. The ideal storage
outboard is to hang it with the lower unit
down. If hanging is not practical,
outboard on its back.
lower unit below the power head.
to
Adding lubricant
horsepower engine. The lubricant
through the drain plug after
been removed.
and shift link-
Coat the
Apply Perfect
FLUSH
position for an
lay the
This will place the
a
the lower unit on small
must always be added
the upper vent plug has
as
Propeller
10-8 LO WER UNIT SERVICE
PROPELLER
The propeller should be checked regular-
ly to be sure all the blades are in good
condition.
or nicked, such damage will set up vibra-
tions in the motor.
propeller.
burrs. TAKE
more material than is absolutely necessary.
For a complete check, take the propeller to
your marine dealer where the proper equip-
ment and
available to perform a proper job at modest
cost.
Inspect the propeller shaft to be sure it
is still true and not bent.
perfectly true, it should be replaced.
weed
Sea
should be removed frequently
especially fiSh
damage.
LOWER UNIT
with grooves worn into the hub.
If any of the blades become bent
Remove and inspect the
Use a file to trim nicks and
CARE not to remove any
knowledgeable mechanics
If the shaft is not
entangled in the propeller.
and any foreign
line, removed before
10-9
are
The propeller
material,
it can cause