How to Replace Bearings in an A.O. Smith Swimming Pool Motor


Swimming pools rely on various external machines to operate effectively. One external device that controls the circulation of water in a pool is the pump. A pool pump is made up of a motor and many smaller components that pull and push water through the pool's plumbing. An A.O. Smith motor, attached to a pool pump, circulates water with an impeller on a shaft spinning at high speeds. Bearings installed inside the A.O. Smith pump help the shaft spin properly.

Things You'll Need

  • Wrench
  • Screwdriver
  • Bearing removal tool
  • Bearings
  • Remove the A.O. Smith pump's power plug from the wall outlet or power source for the pool system. Disconnect the plumbing connected to the pump.

  • Unscrew the bolts holding the A.O. Smith motor to the rest of the pump with a wrench. Remove the motor from the pump and set it on a flat work surface.

  • Pry off the back casing of the motor with a screwdriver. Remove the screws located on the front of the motor with the screwdriver. Pull the motor's armature out of the motor casing, pushing it from behind, through the casing, if it does not move easily.

  • Remove the bearings from the back of the A.O. Smith motor's armature. If the bearings do not come out easily, use the special bearing removal tool that came with the motor.

  • Insert new bearings into the motor armature. Push the armature into the motor casing. Secure the motor armature to the casing with the screwdriver and screws. Replace the back of the motor onto the casing.

  • Reconnect the A.O. Smith motor to the pump with the bolts removed earlier. Reattach the plumbing to the pump and plug in the power cord to the power source or wall outlet.

Tips & Warnings

  • Regularly inspect the components inside the pump for any damage to extend the life of the pump.

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  • Photo Credit Andy Sotiriou/Photodisc/Getty Images
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