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| There is an ajustment nut (#7) that can be turned to take up some wear,do not tighten too tight as it will not spin free enough. I have had good luck by tightening a bit and blowing through the flowmeter the same way the fluid should go(arrow) then put it up to your ear quickley and it should spin for 3 to5 sec. Yes the backing plate will wear a bit but I have always been able to get it tuned in. | |
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Raven Flowmeter
