Thread Number: 32861  /  Tag: 50s/60s/70s Vacuum Cleaners
Would Bad motor brushes make my tristar not come on? 		[Down to Last]

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Post# 359677   9/20/2016 at 23:39 (2,767 days old) by BeaterBar32 (Lawrence, Ks)        

My tristar dxl quit working the other day. So I took it apart.
The cord seemed fine, no breaks, no disconnections, maybe internally? Idk
When I moved the copper commuter and the switch is on, it starts fine and blue sparks fly.
If I change my brushes will my vacuum work again?
How can it magically turn on just by putting new brushes in it? How would the motor know?
Anyway, will I most likely need a new motor? Is this a motor issue or brush issue?
Also, I should mention that it quit working intermittently the few days before it quit completely.
It would come on fine, others times, nothing after flipping the switch. This last for 3 days.
Thanks


Post# 359678 , Reply# 1   9/21/2016 at 03:31 (2,767 days old) by tolivac (Greenville,NC)        

Yes,the motor should work again with new brushes.The old ones are too short-the brush springs weaken with time.New brushes are longer and have fresh brush springs to apply more tension to the brushes.also when you change the brushes take a swab and clean out the brush holders-and follow with a blast of compressed air.Check that the new brushes slide freely in the holders.There are many ways to clean communtators-do that as well.Then you should be good to go.

Post# 359717 , Reply# 2   9/21/2016 at 19:09 (2,766 days old) by chad (texas)        

Yeppers. Just like pinging a starter with a hammer that won't work. Sometimes the brushes stick, or get a bit too short.



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