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David Ray

11-29-2010 03:37 PM

Blower belt adjustment.

Does anyone know how much deflection should be on B&M 420's. The power is 509's. Thanks

carter38

11-29-2010 05:57 PM

Which type belt are you running?

US1 Fountain

11-29-2010 09:02 PM

Don't you adjust the tension on the BM blowers until the correct gap is acheived between the idler pulley bracket and mount? At least my 250 was that way.

FIXX	11-29-2010 10:52 PM

Fixx

if their from a 6,800 sc they have a spring loaded tensioner and their self adjusting..

Airpacker

11-30-2010 06:50 AM

if its an 8mm drive, about 1 inch side to side slop when fully cold will be fine.

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