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3240 Patriot sprayer with Raven Hawkeye pump"hammer" issues
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Amc4life
Posted 6/12/2018 09:12 (#6808364 - in reply to #6808351)
Subject: RE: 3240 Patriot sprayer with Raven Hawkeye pump"hammer" issues



Butterfield, MN
I did notice one difference, the one that hammers has the PWM frequency at 50 Hz, the one that does not hammer has the PWM frequency of 60 Hz. I believe that PWM frequency is fairly touchy on these, or at least it used to be on the earlier SPX sprayers with SmarTrax. If you had the frequency at the "normal" setting, you'd get hammering. if you would change it, the noise would go away. Try playing around with that.
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