Installation manual
RAW
WATER
PUMP
R4'assembly
Wipe
the
inside surface of
the
pump
dry;
Apply
a film of
glycerin supplied
in
the
impeller kit
to
the
insid~
pump
surfaces and to
the
exposed area of
the
shaft
lip
seal.
1.
Install
the
crrclip shaft Support the outer
bearing
and
push
the shaft into
the
bearing until
the
bearing
contacts
the
circlip.
2.
Install
th.~.spacer
against
the
circlip. Support
the
inner
bearing
and
push
the
shaft
into
the
bearing
until
it
contacts
the
spacer.
3.
Apply
some glycerin onto
the
O-ring
and
install
it
on
the
shaft approximately
1/S"
away
from
the
inner
bearing.
4.
Warming
the
pump
body
should aid in installing
the
shaft
and
bearing
assembly.
Support the
pump
body
on
an
arbor
press.
With
a twisting motion;·install
the
shaft
and
bearing
assembly
into the pump untilthe inner
bearing
seats
and
the
outer bearing should just clear
the
boss
for circlip
B.
Rotate
the
shaft.
It should turn
freely.
5.
Install circlip B
and
push
the shaft
assembly
until
the
outer bearing just contacts circlip B
and
install
the
dust
plate.
Rotate
the
shaft.
It should
turn
freely.
6.
Pu~
some glycerin
on
the
outer surface of
the
ceramic
seal
seat
and
sUde
it over the shaft
white
ceramic
facing
out
and
seat
it
in
the
body of
the
pum,. Place
some
glycerin
on
the
inner area
and
with
a twisting
motion
slide it over
the
shaft
until
the
ceramic of
the
spring
seal
touches
the
white
ceramic
face.
7. Install
the
brass plate
and
circlip A.
S.
Install
the
wear
plate,
locking it
in
position
on
the
dowel
pin.
Dual Pumps
The
wear plate
is
assembled
above
the·
impeller.
9.
Install
the
cam
and place some gasket cement
on
the
threads of
the
screw that secures it in
place.
lO.Place
some
glycerin
on
the
inner surface of
the
pump,
the
inner surface of
the
cover
and
the cover sealing
O-ring
and
with
a twisting motion install
the
impeller
on
the
shaft
of
the
pump.
Install
the
covers O-ring
and
cover
and
secure
the
cover
With
the
four cover
screws.
NOTE:
Install
the
new impellers
with
a
rotating
motion
so
the
blades
are
working
in
the
same
direction
of
those
of
the
removed
impeller.
Dual Pumps
Assemble
the
upper pump
to
the
lower pump
as
illustrated
making
sure
the
mounting
screws
are
tight.
Engines & Generators
27
UPPER
PUMP
SHAFT
PULLEY
SC~EWS
FASTENS
THE
UPPERPIlMP
BODY
TO
THE
LOWER
PUMP
O-RING
GASKET
ONLY
NEEDS
TO
BE
REPLACES
IF
IT
SHOWS
SIGNS
OF
AGING.
.
DUAL
PUMPS
ASSEMBLY