Thread Number: 37524  /  Tag: 80s/90s Vacuum Cleaners
TriStar CXL Vacuum Power Nozzle - Should OEM aluminum brushroll parts get very hot during operation? 		[Down to Last]

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Post# 400214   10/31/2018 at 19:20 (1,996 days old) by sergio (Florida, USA)        

I'm using the original OEM brushroll on power nozzel 2-102.

I recently noticed that the belt (which is new), aluminum pulley, aluminum brushroll bearing support housings and bearings gets very hot during operation. Is this normal? (I never checked before)

I thought it had bad bearings but upon inspection, it doesn't have bearings at all. The "bearing", part number 70091, is just a solid brass fitting.

I realize this may be hard to answer, but how much heat from friction is normal?

Thanks.

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Post# 400216 , Reply# 1   10/31/2018 at 19:35 (1,996 days old) by compactc9guy (Bathurst NB)        

compactc9guy's profile picture
your brushroll bearing are full of hair pic 3) problem number one itf it gets hot something is not spinning freely

Post# 400217 , Reply# 2   10/31/2018 at 20:16 (1,996 days old) by vacman1961 (North Babylon, New York)        

Thats not hair in the bearing, that is felt, it is there to keep hair from winding around the shaft of the brush roll. Your brush roll looks like it is perfect condition, put a few drops of very light turbine oil in the bronze bearings before you reassemble it. It is normal for the pulley and belt to be warm, the belt is tight and pulls on the pulley when the belt is attached to the motor. If you have any concerns, order a Cleveland Wood replacement brush roll, they use ball bearings in theirs.

Post# 400223 , Reply# 3   10/31/2018 at 21:46 (1,996 days old) by compactc9guy (Bathurst NB)        

compactc9guy's profile picture
oh my bad

Post# 400230 , Reply# 4   10/31/2018 at 23:33 (1,996 days old) by broomvac (N/A)        

broomvac's profile picture
Vacuum belt systems tend to get quite hot, even under a light load.

Post# 401032 , Reply# 5   11/17/2018 at 17:01 (1,979 days old) by sergio (Florida, USA)        

Sorry for late reply, just saw them. Thought I'd get an email notification when someone responded. Thanks for suggestions. Did order brushroll with ball bearings for comparison, which does reduce heat production by quite a bit. However, they're rather cheap in build quality. I don't suspect those bearings will have a long life.


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