Carbon Brush Seating Stone

This seating stone is for cleaning carbon buildup on the armature commutator on all D series and E-2 Rainbow vacuum cleaners. Carbon buildup on your commutator can reduce performance and may not allow the motor to run smoothly.

We have reduced the price on this item and will ship a small piece meant for 5-6 uses. There is no need to order a full 4 sticks for do-it-yourself repairs.

*If you wish to order a case (4 full sticks), please add a quantity of 8 to your cart.

• 5/5 By Steve On Jan 2nd 2021

  "Cleans the commutator as it should."

• 5/5 By John M On Sep 26th 2019

  "This stopped my motor brushes from sparking; they settled right down. Thanks RainVac !"

• 5/5 By Luca On Mar 18th 2019

  "Simple and easy to use. Very effecitve in order to make the engine working smooth again. "

• 5/5 By Phil On Apr 29th 2018

  "I needed this brush seating stick to seat a pair of brushes on a D4 SE Rainbow that I use for my cars. Seating the brushes is an important step when installing new ones in order to insure maximum brush life."