These instructions are for informational purposes only, This may not be all information for you exact Spa Pump.
Turn power off at the Main Panel. Remove the access door to the equipment area. Unplug the motor at the electrical control can. Close the slice valves if your spa has them. (Or drain the spa if not.)
Loosen the pump 2 unions. Loosen any mounting bolts and remove the pump assembly from the equipment box.
1. The tools required include a 1/4” & 7/8” socket and screwdriver.
2. Loosen the screws and remove the pump shroud.
3. Loosen the 4 thru-bolts.
4. Pull the bolts back a few inches, but there is no need to remove them.
5. Remove the 4 bolts on the front case.
6. Remove the pump front case.
7. Grab the pump impeller in one hand. Carefully place a screwdriver in one of the veins inside the motor. It takes a bit of patience, but you should be able to stop the shaft from turning and loosen the pump impeller by hand.
8. Remove the pump impeller and pump seal plate
9. Remove the rubber washer.
10. Separate the pump impeller from the pump seal plate.
11. Remove the spring assembly from the pump impeller shaft.
12. Lubricate the pump shaft with pump lube or silicone o-ring lubricant and install the new spring assembly, flat edge down.
13. Use the screwdriver again, push the ceramic disc out of the pump seal plate. With just a little pressure, it should pop right out.
14. Wipe the pump ceramic disc seat with a clean dry rag.
15. Pumps use a mechanical seal with rubber seat ring or sealing o-ring. These seals are completely interchangeable. Lubricate the rubber surface with pump lube or silicone o-ring lube.
16. Push the pump ceramic disc firmly back into its seat.
17. Remove the flange ring, clean its seat, lubricate the ring, and replace it.
18. Insert the impeller back into the pump seal plate.
19. Return the washer back in place.
20. Install the impeller assembly and turn the impeller until the shaft begins to spin.
21. Use the screwdriver to stop the shaft from spinning and hand tighten the impeller until snug, do not overtighten.
22. Re-attach the pump front case.
23. Reinstall the pump thru-bolts.
24. Reinstall the pump shroud.
Reinstall the pump, open check valves if your spa has them, refill the spa. Turn the power on.
Pumps should only run with water in the spa or there is a risk of burning up the motor.
Pump seals take time to seat themselves, don’t be surprised if there is a small amount of dripping water for up to a day.