Tiller 2 Posted February 3, 2020 Share Posted February 3, 2020 Hi I have a CM85i on my cat and it was ok for a while but now when engaged it does a 1/4 turn to port or to starb so boat turns a circle any one out there had same problem ? Cheers Quote Link to post Share on other sites
Ladyhawk 37 Posted February 4, 2020 Share Posted February 4, 2020 Yup I have the same intermittent issue with my old school CM750, although mine will only go off-course to port. I found that doing a automatic compass calibration fixes it for a while, it tells you how to do this in the manual that you can download from Coursemaster website. I also noticed that when you engage the pilot, it veers off course about 15-20 deg then slowly comes back on course. Fixed that by correcting the poor installation of the rudder transducer, the link arm was the wrong length and had almost no travel at each end of the 'throw" of the transducer arm. Works better now, until it decides to "chuck a u-ee" whenver it feels the need Saving up for something newer/better..... Quote Link to post Share on other sites
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