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Cleaning Electric Motor Commutator. A clean commutator is vital to an efficient motor. The commutator should appear copper colored with some dark areas where the brush contacts the commutator's surface.
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Other electrical solvents can be used. The brush material gets packed in really hard if left too long, and the cleaner won't shift it. Try steam cleaning with one of the domestic small steam cleaners.
Make Sure To Mark Down The.
With the small amount needed to clean the commutator of a locomotives motor a five ounce can will last a long time. Equipment will change friction and other characteristics between day and night shift. Cleaning a commutator with an emery cloth is not recommended because emery particles are conductive and may short circuit the commutator.
Be Sure To Clean Out Any Particles Before Runnign The Motor.
Video tutorial on how to clean the commutator of an armature for a motor. Motor spun up fine in neutral but on the first test drive, after a block or so, i had audible sparking at the brushes and the motor would refuse to spin up if it stopped in certain positions (meaning the brushes were in certain positions on the commutator). Try steam cleaning with one of the domestic small steam cleaners.
The Commutator Should Appear Copper Colored With Some Dark Areas Where The Brush Contacts The Commutator's Surface.
There is a comm stick that the car guys use. The electric motor seen in the video belongs to an electric drill i have fou. One way of cleaning the commutator is to use an eraser used for inks.
Don't Use One With An Abrasive In It, Like A Brite Boy.
Never use emery paper because it has metal particles in it that if rubbed off could cause electrical shorts. When done, blow out the motor so it is dry and clean. You'd need to clean a motor regularly, as the cheap cleaners are pretty weak.
Normally We Do This Job By A Small Saw Like In Below Picture Which Takes A Lot Of Time.
Then dry out very carefully in a warm oven. Do keep an eye on the commutator and watch for damage to the commutator from stone contaminants. Start by taking the springs off of the motor, then take the brushes out of the brush hoods and remove the springs.
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