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12-03-2021, 10:12 AM | #1 |
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Aluminum pulley for M90 blower.
Well while I have the distributor out waiting for charlieNY to check it out, on to the next issue. My blower pulley is damaged because some numb nuts didnt have it tight and wallowed out the keyway. Any ideas where to get something like this? I know it's a v belt on a blower but I'd rather not completely change the belt set up.
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12-03-2021, 11:02 AM | #2 |
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Re: Aluminum pulley for M90 blower.
You'll probably need to have one custom made at a machine shop. Not a hard thing to do - but they'll need exact measurements on the shaft and keyway.
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12-03-2021, 11:56 AM | #3 |
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Re: Aluminum pulley for M90 blower.
What is the pully diameter? And bore? Does it have to be aluminum ?
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12-03-2021, 11:58 AM | #4 |
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Re: Aluminum pulley for M90 blower.
Or, [machine work again] simply bore it out, press in a sleeve, [ideally steel - more durable], scotch key it in place, bore and key it to suit...
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12-03-2021, 12:36 PM | #5 |
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Re: Aluminum pulley for M90 blower.
Consider yourself lucky it didn't fly off going down the road.
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12-03-2021, 12:37 PM | #6 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 12:38 PM | #7 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 12:40 PM | #8 | |
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Re: Aluminum pulley for M90 blower.
Quote:
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12-03-2021, 12:41 PM | #9 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 01:51 PM | #10 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 02:27 PM | #11 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 02:50 PM | #12 |
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Re: Aluminum pulley for M90 blower.
If it was mine, I'd make a steel blower drive flange - similar to a crankshaft blower pulley flange. The flange would have bolts to bolt on an aluminum pulley. This way you can change pulley sizes quite easily. The flange should have a centering ridge on it (like a crankshaft blower pulley).
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12-03-2021, 02:51 PM | #13 |
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Re: Aluminum pulley for M90 blower.
Also, you might consider using a dual-belt lower pulley - if it will clear your cross-member. It is much better to have multiple belts than just one. If you're going to the trouble of coming up with a new pulley drive system, might as well make it better.
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12-03-2021, 03:10 PM | #14 |
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Re: Aluminum pulley for M90 blower.
...
Last edited by Pete; 12-03-2021 at 08:27 PM. |
12-03-2021, 03:48 PM | #15 | |
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Re: Aluminum pulley for M90 blower.
Quote:
Sent from my SM-N986U using Tapatalk |
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12-03-2021, 03:50 PM | #16 | |
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Re: Aluminum pulley for M90 blower.
Quote:
Sent from my SM-N986U using Tapatalk |
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12-03-2021, 04:27 PM | #17 |
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Re: Aluminum pulley for M90 blower.
The last piece of the puzzle is what size is keeway and are you using an A belt or B belt?
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12-03-2021, 05:48 PM | #18 |
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Re: Aluminum pulley for M90 blower.
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12-03-2021, 06:36 PM | #19 |
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Re: Aluminum pulley for M90 blower.
Cant you cut another slot say at 180 degrees . If its not timing anything , Ive done this on a few shafts that were messed up .
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12-03-2021, 06:39 PM | #20 |
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Re: Aluminum pulley for M90 blower.
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