Hayward Max-Flo XL Max-Flo XL Manual - Page 14

7.5. Replacing the Impeller and Diffuser 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: Flat side of diffuser rim (item #9) will face up. Replace three (3) diffuser screws (item #7), Torque screws to 20 in-lbs. 7.6. Replacing the Motor Assembly 13. 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 o-ring (item#8). 14. 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 o-ring (item#11) is in place, and lubricated. Replace if damaged). Tighten alternately and evenly to 185 in-lbs using torque pattern in the following diagram. Page 14 of 20 HOUSING BOLT TORQUE PATTERN Fig 7.6.1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Max-Flo XL Pump IS2300 Rev-A1