Evinrude 4906B 4HP 1969 Owner's Manual page 273

8-14 LOWER UNIT
soft-headed mallet
EVENLY ALTERNATELY.
and
CRITICAL WORDS
If the screws are not tightened
or the driven gear and pinion gear teeth are
not fully and properly engaged, the gearcase
head will be thrown
whisker, and the ears through
bol ts pass may snap off.
new gearcase head would have to be pur-
chased.
If the unit being serviced
less" type, two sets of matching
the gear case head and the lower unit
be aligned when the head is installed.
If the unit being serviced
Thrust" type, the gearcase
MUST face upward when the head is install-
ed.
WATER PUMP INSTALLATION
5- Lay down a bead of sealer No. 1000
onto the lower unit surface.
water pump plate down the driveshaft
onto the lower unit surface.
6- Insert the water
into the driveshaft hole.
7- Slide the water pump impeller down
the driveshaft and into place on top of the
water pump base plate with the pump pin
indexed in the impeller.
inside surface of the
lightweight oil.
and tighten the screws
evenly,
out of line just
which the
BAD NEWS!
is the "Weed-
marks on
MUST
is the "High-
has a hole which
Slide the
and
pump impeller
Lubricate the
water pump with
a
A
8- Lower the water pump housing down
the driveshaft
tate the driveshaft
ter pump housing is lowered to allow the
impeller blades to assume their natural and
proper position inside the housing. Continue
to rotate the driveshaft
pin pump housing downward until it is seated on
the lower unit upper housing surface.
and over the impeller.
CLOCKWISE as the wa-
and work the water
Ro-