Question about Hobart N50 Stand Mixer

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N50 shifter pin buzzes in 2nd and 3rd gears

My N50 (ML- 16472) buzzes in 2nd and 3rd gear. If, while it's running, I put just a little clockwise pressure on the shifter handle, the noise completely goes away. I'm pretty sure the noise is the shifter pin rattling against the cam-plate. I just finished reassembling and re-grease-packing my N50 (in part to alleviate this problem) and this did not seem to work. No setting of the screw(s) on the bottom of the planetary seem to make any difference. I cracked open the gear housing again to see if I could see any obvious problems. One thing I noticed was that, no matter where I moved the shifter pin, the sharp rectangular stopper-pin on the far side of the tumbler-yoke never came in contact with the tumbler-yoke-stop. This was true even if the yoke-stop was fully extended by tighening the external set screw that governs the yoke-stop's travel.
Could the entire yoke have been bent? I wonder because shifting into 3rd gear is a little stiff, and the shifter pin rubs hard getting around the final corner of the "W" in the cam-plate.
The noise is not terrible. Is it detrimental to the longevity of the mixer to just let it be?
-j-davis

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  • j-davis Jun 29, 2009

    I'm sorry. The way you answered the question, it appears that you think this is car. This is a Hobart N50 Mixer -- for dough. It does not travel uproad or on bumpy roads.

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2 Answers

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  • Master
  • 378 Answers

Probably the entire yoke have been bent, did you check the gear shaft ? if the shaft bushing is loose this will also cause to buzzes.

Posted on Jun 29, 2009

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  • Master
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I think the entire yoke have been bent.Because of this the third gear is little stiff compare to 2nd and 3 rd gear. so shifter pin rubs hard getting around cam plate..some time noise is very low but in some times mainly in rough road and up road it gives hard noise.Solution is replace the tumbler yoke or entire yolk stip.

Posted on Jun 29, 2009

  • Chandrashekhar N.G
    Chandrashekhar N.G Jun 29, 2009

    First, as an N-50 gets old, the grease tends to harden and no adjustment will help. Repacking the grease is not incredibly difficult for the average mechanic.

    The adjustment -- Look on the bottom side of the planetary towards the column. The is a set screw. It should actually be a set screw on top of a set screw.

    Remove the first set screw. Back out the second screw one to two turns. Run the mixer in 1st gear. While it is running adjust the screw to reduce the noise. (Do not force the screw inward, it doesn't really bottom out.) Repeat in 3rd gear. Test in all gears, and repeat the adjust for the best results.

    Something else you can look at --- unplug the unit, remove the shifter switch plate, (note the gear selected), check the two screws at the top of the opening in the transmission section.

    Also, with a good set of eyes and a flashlight, you can get a peek at the grease.



    2.If it is not

    CE is the marking that shows its european conformant. I think the difference is mostly in terms of the no volt interlock switch. This means the KA style N50 bowl won't work with the CE models - too low.



    When you put the plate back on, hold the shifter in the "selected" gear. Good luck, let me know if you need more specific help.



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    http://www.hobartlink.com/extranet/extra...$File/F43056%20Rev%20A_LK.pdf

    http://www.fixya.com/support/t552263-new...

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Follow the link below:
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