Hayward W3SP3206VSP TriStar VS 950 - Owners Manual - Page 29

9.2. 3. 4. Removing the Impeller To prevent the motor shaft from turning, secure using a 5/16" hex wrench in the socket on the motor shaft. Rotate the impeller screw (item #10) clockwise (note that screw has left-hand thread) and remove. Remove the impeller (item #12) by rotating counterclockwise. 9.3. Removing the Ceramic Seat 5. Remove the spring seal assembly (item #13) and seal plate (item #15) from the motor by removing the four (4) 3/8" x 1" bolts (item #18) that secure it to the motor, using a 9/16" wrench or socket. Remove the motor support bracket (item #20) from the seal plate (item #15). 6. Press the ceramic seat with rubber cup out of the seal plate (item #15). Use a small screwdriver to tap seal out. STOP - Clean all recesses & parts to be reassembled. Inspect gaskets & replace if necessary. 9.4. Seal Installation 7. Clean and lightly lubricate the motor shaft and seal recesses in the seal plate (item #15) with a dilute solution of non-granulated liquid-type soap. Gently wipe the polished face of the ceramic seal with a soft cotton cloth. Lubricate the rubber cup on the ceramic seat and press it firmly into the recess of the seal plate (item #15), with the polished ceramic surface facing out. 8. Reassemble the motor to the seal plate (item #15) using the four (4) 3/8" x 1" bolts (item #18), and re-attach the motor support (item #20) to the seal plate (item #15). Ensure that the upper two housing bolts are installed in the seal plate prior to mounting the motor to the seal plate. 9. Gently wipe the black, polished surface of the spring seal assembly (item #13) with a soft cotton cloth. 10. Press the spring seal assembly (item #13) onto the motor shaft, with the black polished surface facing the ceramic seat. 9.5. Replacing the Impeller and Diffuser 11. Screw the impeller (item #12) onto the motor shaft in a clockwise direction, and screw the impeller screw (item #10) into the motor shaft in a counterclockwise direction. Tighten snugly by holding motor shaft with wrench as noted in step #4. Place the impeller ring (item #11) back onto the impeller (item #12), with flange facing towards the diffuser (item #9). 12. Place the diffuser (item #9) over the impeller (item #12) and onto the seal plate (item #15), aligning the three pins on the diffuser (item #9) with the three holes on the seal plate (item #15). Replace the two diffuser screws (item #7). 9.6. Replacing the Motor Assembly 13. Slide the motor assembly, with the diffuser (item #9) in place, into pump/strainer housing (item #3), being careful not to disturb the diffuser gasket (item 8) 14. Fasten assembly to pump/strainer housing (item #3) using the six (6) 5/16" x 2" bolts (item #17). (Be sure housing gasket (item #14) is in place, and lubricated. Replace if damaged). Tighten bolts alternately and evenly to 185 inch-pounds according to housing bolt torque pattern detail. Page 29 of 36 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 2.70 THP VS Pump Family IS3206VSP3 Rev-B