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  #1  
Old 07-15-2017
DigitalEd's Avatar
DigitalEd DigitalEd is offline
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Default How tight should Alternator belts be?

Had an x WL owner look at my bus and he noticed that my two Alternator belts are very loose.

He is going to be at the same park we are at as well in a few days when we have more time and will help me try and tighten them.

Any info on how to do this - what needs to be adjusted and how tight they should be?

Also my 2 AC belts are very loose too but my AC does not work so I guess that does not matter that they are loose.
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Old 07-15-2017
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Ed, my choice of tension gauges is the Dayton Kriket. Different specifications for 'used' belts vs 'new' belts.

https://www.youtube.com/watch?v=z11wfc-0-hY
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Old 07-15-2017
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What should the tension be set to?
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Old 07-15-2017
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Normally the flex should be the thickness of the belt.
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  #5  
Old 07-15-2017
UNCLEROD UNCLEROD is offline
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Most of the time belt deflection should be about 1/2 to 3/4 of an inch. Don't overtighten them or you can damage the alternator bearing. You also don't want your a/c belts loose even if it doesn't work, they could jump off, and take the rest of the belts with them, if the a/c is all they drive, they can be removed.
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