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Max-Flo II
™
Series __________________ ___________________________ ___Page 10 of 16
10. Gently wipe the black, polished surface of the spring seal assembly with a clean, soft, cotton cloth.
11. Press the spring seal assembly (item #12) onto the motor shaft – black polished surface facing toward the
polished surface of the ceramic seat.
Replacing the Impeller and Diffuser
(See Parts Diagram on page 11 of this manual for pump component locations.)
11. Screw the impeller (item#10) onto the motor shaft in a clockwise direction. Tighten snugly by holding motor
shaft with wrench as noted in step #4.
12. Place the diffuser (item #9) over the impeller (item#10) onto the seal plate (item#13), aligning the three (3)
protruding pins with the matching holes in the seal plate (item#13). Note: Arrow on diffuser (item #9) will
face up. Replace two diffuser screws (item #7).
Replacing the Motor Assembly
(See Parts Diagram on page 11 of this manual for pump component locations.)
14. Re-attach motor end cover/canopy by using the two (2) hex shaped screws. Slide the motor assembly with the
diffuser (item#9) in place, into pump/strainer housing (item#4), being careful not to disturb the diffuser gasket
(item#8).
15. Re-attach assembly to pump/strainer housing (item#4) using the four (4) 5/16”" x 1 3/4" hex head bolts. (Be
sure housing gasket (item#11) is in place, and lubricated. Replace if damaged). Tighten alternately and evenly
to 185 in-lbs using torque pattern in diagram 1 at bottom of this page.
Diagram 1
