Thread Number: 14179
Electrolux model 86
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Post# 149934   9/1/2011 at 17:16 (4,566 days old) by vacuumfreak (Ontario, Canada)        

Hey guys.... I have a little bit of a problem. I turned on my model 86 lux today, and it made a little bit of a roaring noise and had a bit of vibration when it started up and shut down. It runs fine, but it only makes this noise when it starts up or shuts down. Does anyone have a solution to this problem, or could tell me what caused this?


Post# 149984 , Reply# 1   9/1/2011 at 22:23 (4,565 days old) by Real1 ()        

check the bearing on either end of the armature shaft.....check for any end play and lateral play. Separate the motor out,  put electricity to it (don't shock yourself!) and watch the armature....I think you'll see your answer. Bearing will do what you describe when they run dry/dirty as well.Laughing



Post# 150044 , Reply# 2   9/2/2011 at 10:38 (4,565 days old) by collector2 (Moose Jaw, Sk)        

collector2's profile picture
There is only one bearing on those motors and its probably the problem. If you have a bearing puller its not hard to replace it though. You can get them at Aklands for 3 or 4 dollars.

Post# 150098 , Reply# 3   9/2/2011 at 22:15 (4,564 days old) by Real1 ()        

there has to be a sintered bushing on the other end...something.



Post# 150293 , Reply# 4   9/4/2011 at 00:22 (4,563 days old) by collector2 (Moose Jaw, Sk)        

collector2's profile picture
The top end of the motor is a copper bushing. You rarely ever replace that. It just has to be oiled with something like 3 in 1 oil. Its packed in fiber that holds the oil so its continuously lubricated.

Post# 150299 , Reply# 5   9/4/2011 at 06:18 (4,563 days old) by twocvbloke ()        
"The top end of the motor is a copper bushing"

Bronze dear boy, bronze...

Post# 150466 , Reply# 6   9/5/2011 at 11:07 (4,562 days old) by Real1 ()        

a sintered bushing. Some are dry lubricated some are wet. 3 in One oil is not the best, but they do make an 20wt oil in the little squirt cans specifically for small electric motors. Comes in a distinctive blue & white can so as not to confuse with 3 in One. Mars Turbine Oil is better yet. Dry lube sintered bearings need to be replaced with same, as it's nearly impossible to imitate the dry, impregnated process they use.



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