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 |
HALF
PUMPBACK
MOTOR
_CREWDRIVER
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
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.
SEAL PLATE INDEX PINS
SLIDE IN HERE
Figure I OA
MOTOR FLANGE | SEAL PLATE |
|
INDEX PINS
Figure I OB
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!