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Author Topic: broken fanbelt  (Read 3013 times)
Peter
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Posts: 1301
« on: August 01, 2012, 12:29:34 pm »
Hello,
My cousin's motor seems to be a belt eater!
i think he already bought like 10 new belts...
they either break or they jump off...
the pulleys are aligned well but still problems...
You guys know what could be the cause?
its a normal size scat pulley ..

cheers, P
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Erlend / bug66
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Posts: 958

SCC Event


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« Reply #1 on: August 01, 2012, 12:35:47 pm »
What size is he running?
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
Stripped66
Full Member
***
Posts: 131
« Reply #2 on: August 01, 2012, 15:07:55 pm »
Causes?

Pulleys are actually not aligned well.
Top pulley adjusted so that the belt is ridiculously tight.
Using a 1/2" belt instead of a 3/8" belt.
Pulley surface is gouged with sharp edges.
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Peter
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Posts: 1301
« Reply #3 on: August 01, 2012, 15:51:27 pm »
i think its a 900 mm gates.
pulley surfaces are new,
10 mm wide

its a 2165 in a bus...

if we loosen the belt, it flips over.
I ll check re-alignment again...
 thanks!
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richie
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Posts: 5687
« Reply #4 on: August 01, 2012, 16:24:37 pm »
Quote from: Peter on August 01, 2012, 15:51:27 pm
i think its a 900 mm gates.
pulley surfaces are new,
10 mm wide

its a 2165 in a bus...

if we loosen the belt, it flips over.
I ll check re-alignment again...
 thanks!


What brand bottom pulley? you may find it needs a 9.5 wide belt to keep it on,some pulleys dont have a deep enough of a groove cut in them
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Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
Peter
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Posts: 1301
« Reply #5 on: August 01, 2012, 19:41:39 pm »
hey Richie,
its a scat sand seal normal size...
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Erlend / bug66
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« Reply #6 on: August 01, 2012, 19:53:27 pm »
My engine ate belts as well. It's noe aligned perfect and works well :-)
Logged
The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
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