Put another fixed prop on and see what you get. It may be the prop doing it.
Joe Della Barba From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Tuesday, August 14, 2012 9:57 AM To: [email protected] Subject: Re: Stus-List A4 Engine alignment Well, I have a brand new shaft and had the machine shop check the prop hub on the lathe. they said "you can't get any better than that" I can hear and feel the blades opening and closing as I rotate the shaft by hand so nothing is stuck. I guess it is just a pain in the butt, time consuming, task... I'll have to get the feeler gauges out and keep messing with it... Danny ---------- Original Message ---------- From: "Rich Knowles" <[email protected]<mailto:[email protected]>> To: <[email protected]<mailto:[email protected]>> Subject: Re: Stus-List A4 Engine alignment Date: Tue, 14 Aug 2012 10:33:35 -0300 Danny. The engine has to be adjusted on its mounts so that the coupling faces are as parallel and in line as you can get them. To start, remove the connecting bolts completely from the coupling flanges. Check that the flanges are tight on the shafts and the lock bolts are wired properly. Check that the shaft is in its best centered resting position and that the engine is as close as possible to being in line. Then put the bolts back in loose and, using feeler gauges inserted between the coupling faces, adjust the motor position so the faces meet exactly with the same clearance measured around the face of the couplings. Then tighten the engine mount nuts and re-measure the flange face clearances. Once you are satisfied that you have the engine in the correct position, tighten the flange connecting bolts. If you still have problems after completing the alignment, check that you do not have a propeller problem. Rich Knowles INDIGO - LF38 Halifax, NS From: [email protected]<mailto:[email protected]> [mailto:[email protected]]<mailto:[mailto:[email protected]]> On Behalf Of [email protected]<mailto:[email protected]> Sent: August 14, 2012 09:57 To: [email protected]<mailto:[email protected]> Subject: Stus-List A4 Engine alignment Hello all, Well i got out for a sea trial on Sunday. The engine runs nicely but, it vibrated like crazy underway. It appears I did not align the engine. I've gotten it better aligned now but, are there any tips or techniques to adjusting this thing to get dead nuts aligned? It seems a very tedious endeavor... When I put a dial indicator on the shaft, just aft of the coupler, I can't seem to get it better than .005 of an inch. It started out at about .015 when i first put it on and i thought that the .005 may have been acceptable but, it still vibrated. I've asked the yard mechanic to have a look and align it for me. However, if he doesn't get to it this week I'd like to get it done myself before the weekend so that I can FINALLY go sailing! Thanks, Danny
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