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OPERATION
I. Screw impeller on shaft (clockwise) while holding
shaft wzth 7/16" open end wrench on shaft flats. This
v_fll automatically locate seal in place. See Figure 11.
FACE OF
SEALING WASHER
SEAL
PLATE
HOLES MUST
LINE UP
DIFFUSER
IMPELLER HUB
SHAFT
SHOULDER
RUBBER DRIVE RING
Figure I I
Remount diffuser on seal plate. Be sure diffuser is
right side up as follows (see Figures 13 and 14).
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
BESURESCREW
ENGAGES HOLE IN
SEALPLATE
MOLDED
PART NO.
AT 9:30 BE SURE SCREW
O'CLOCK ENGAGES HOLE
IN SEAL PLATE
RIB AT E O'CLOCK
Figure 12
PRIMING HOLE
%
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
Figure 14
2. Replace copper insert:
A. Clean off surplus Permatex* from around insert cav-
ity. Be careful not to scratch or mark the machined
bore. It is important that this area be clean no no old
Permatex lodges behind the new insert and causes im-
proper seating.
* "Permatex" isa registered trademark of Permatex Co. Inc.