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OPERATION
3. Remove
seal plate
from
motor
by inserting
two
screw-
drivers
between
the seal plate
and the motor
flange.
Pry
seal plate off motor flange. This will force rotating
portion
of seal off shaft.
NOTE:
Be sure you do not scratch
shaft!
See Figures 7 & 8.
MOTOR FLANGE
SCREWDRIVER
PUMPBACK
HALF
MOTOR
_CREWDRIVER
Figure 7
COPPER SEAT
FLOATING
SEAT
MEMBER
Figure 8
4. Place sea! plate face down
on flat surface
and tap out ce-
ram,ic seat.
NOTICE:
Do not force
out copper
insert.
If it has moved,
leakage
will occur.
See section
on installing
copper
insert on
Page 9.
5. Clean seal cavity.
6. Install new seal.
A. Clean polished
surface of ceramic
seat with clean
cloth.
B. Wet outer edge of cup seal with petroleum
jeUy or de-
tergent
solution.
C. With finger
pressure,
press
firmly and squarely
into
cavity.
Polished
face of seat faces inside
of pump.
If
seat will not locate
properly,
place cardboard
washer
over polished
face and use piece of 3/4" standard
pipe
for pressing
purposes.
See Figure 9.
D. Dispose
of cardboard
washer
and clean
surface
of
seat.
E. Clean motor
shaft.
CARDBOARDWASHER
D WITHSEAL
CUP/St .=L_
3/4" PIPE
Figure
9
F. Reassemble
seal plate to motor
flange.
BE SURE it is
right side up: index
pins should
be down;
seal plate
is marked
at top. See Figures
10A and lOB.
TOP OF MOTOR FLANGE
SEAL PLATE INDEX PINS
SLIDE IN HERE
Figure
I OA
MOTOR
FLANGE
Figure
I OB
SEAL PLATE
INDEX PINS
G. Apply
detergent
solution
to inside diameter
of rotat-
ing seal member.
H. Slide rotating
member
on shaft until rubber
drive ring
hits shaft shoulder.
NOTE:
Be sure you do not chip or scratch
seal face
on shaft shoulder
or seal will leak!
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