jbull
Guest
We have a '84 N6 and replaced the main drive belt this summer. To do this we removed the four rubber bushings by the motor, it was not a difficult job. I have not had any trouble with the idler so I can't help there. John
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Combines N 5 idler
Tom_Russell
Guest
Do you have some type of alignment problem that started everything going downhillIJ If you place a straight edge along both sheaves, do they line upIJ
NDDan
Guest
Best to start out with fresh bushings and pipe they pivot on. This will usually put right back into adjustment because few guys ever adjust these and it likely started out very close. Beings yours has been moved and especially with new belt it will need to be right on. There is very little room for misalignment with fresh high speed belts like that main drive. We use a straight edje about 3' long (straight piece of flat iron will do) and lay it against side of idler. Measure distance from flat edge to belt with flat iron slide forward, rearward, and down. Distance should be the same all the way around. Crank machine and recheck. Once you have idler straight with belt you could need to move all adjusters the same amount to move complete arm assembly in or out. It is OK for belt to be next to side of idler but should not be rubbing on it.
NEBRASKA_GlEANER
Guest
Thanks for the suggestions.Found the problem.The wall of the combine where the three studs are fastened was all cracked loose.We would have it aligned perfect and go a little,then the wall would flex and throw it out of alignment again.Very frustrating until we found the cracked part.Thanks again.