Hayward Super II Pump Repair - Further Reading

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Checking the Impeller for Debris

To open the pump shut off power at the breaker and remove the six bolts and pull back the power end.

Don't remove the back cover like he does in the video at https: //youtu .be/Hy1meV5Y4iQ.

Remove the diffuser and check the wear ring and impeller.

Drain Plug

It's 1/4" npt. Most drain plugs are 1/4" npt.

The newer drain plugs are designed with an O-ring.

The O-ring plug is preferable if the pump hole has a flat spot for the O-ring to mate with.

A 1/4" npt plug will work in any case.

1991 and earlier, it's the regular plug (SPX1600V). 1992 and later, it's the O-ring plug (SPX1700FG).

The OD of the plug is about 7/16. That's the name, not really the size. It's like a 2 x 4 is not really 2x4.

Stripped Bolt Hole

Hayward makes an insert to repair this type of problem. Part number SP1600TAP. If you heat the bolt, you should be able to pull the old insert out. Pull on the bolt while heating.