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MAINTENANCE
I*
Screw
impeller
on shaft
(clockwise)
while
holding
shaft with
7/16"
open
end wrench
on shaft flats. This will automatically
locate
seal in place.
See Figure 11.
FACE OF
SEALING WASHER
SEAL
PLATE
HOLES MUST
LINE UP
DIFFUSER
SHAFT
SHOULDER
RUBBER DRIVE RING
Figure
I I
J.
Remount
dittuser
on seal plate.
Be sure
diffuser
is right
side
up as follows
(see Figures
7 and 8).
a. Rib next
to priming
hole should
be at six o'clock
position;
b. Part number
(N1-28P)
should be between
nine o'clock
and
ten o'clock.
c. Both
mounting
screws
must
engage
screw
holes
in seal
plate.
See Figure 12.
d. Be sure rubber
pad (Figure
12; Key No. 8, Page 12) stays in
place
on top of diffuser.
BE SURE RUBBER PAD
STAYS IN PLACE ON
BE SURE SCREW
ENGAGES
HOLE IN
SEAL PLATE
BE SURE NIBS
ENGAGE NOTCHES
Figure
13
Installing
Copper
Insert
NOTE:
If the copper
insert
(Key No. 4, Page
12) moves
or shifts
during
seal removal,
it should
be removed
and reinstalled.
1.
Remove
copper
insert
as shown
in Figure 14. do not deform.
TO DISASSEMBLE
MOLDED
PART NO,
AT9:3O
O'CLOCK
RIBAT 6 O'CLOCK
Figure
12
BESURESCREW
ENGAGES HOLE
IN SEALPLATE
PRIMING HOLE
Figure
14
2.
Replace
copper
insert:
A. Clean
off surplus
Permatex*
from
around
insert
cavity.
Be
careful
not to scratch
or mark
the machined
bore.
It is im-
portant
that
this area be clean so no old Permatex
lodges
behind
the new insert
and causes
improper
seating.
* "Permatex" is a registered trademark of Permatex Co. Inc,
10
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