Evinrude 4906B 4HP 1969 Owner's Manual page 274

9- ALWAYS rotate
CLOCKWISE while the screws are tightened
to prevent damaging the impeller vanes.
the impeller is not rotated,
could damage or cut the end of the vanes as
the screws are brought up tight.
tion allows them to spring back in a natural
position. Place a
water pump housing for the water
tube. If a new water pump was installed,
this seal will already be in place.
NEW O-ring on the top of the driveshaft.
LOWER UNIT INSTALLATION
10-
Clean and shine
tube with lightweight
coat it with oil as an aid to installation.
Apply oil to the grommet in the water pump
housing as a further aid to installation.
tube is very small in size and will bend
easily during installation
little difficulty passing
grommet in the water pump housing.
Bring the lower unit together
with the exhaust housing.
tube into the water pump housing grommet,
and at the same time rotate
shaft CLOCKWISE.
shaft will also rotate
allow the splines on the driveshaft
with the splines of the engine crankshaft.
the driveshaft
the housing
The rota-
grommet into the
NEW
pickup
Install a
the water pump
sandpaper, and then
This
if it has even a
through the rubber
to mate
Guide the water
the propeller
Rotating the propeller
the driveshaft and
to index
If
Continue to work the lower unit closer to
the exhaust
faces make contact.
screws with sealer to prevent corrosion, and
then start
retaining screws EVENLY and AL TERNA TE-
LY.
SERVICE NO SHIFT
housing until the mating
Coat the retaining
them in place. Tighten
8-15
sur-
the