Hi somenone may describe how I can procede step

The frequency is the same in all gears.
disconnect the power and invert the mixer and remove the planetary after driving out the taper pin, then you can access the transmission. It may be a rotor shaft bearing in the motor or no grease on the worm gears.
Nice touch with the video.
If you need parts:

Is the planetary still off before the taper pin is in place?

It's a shot in the dark but if everything lines up, I can think of two possibilities:

1. The taper pin in backwards, and
2. The shaft hole in the planetary is out of round.

The gear has not really changed. It is a fail-safe gear designed to break before the motor is damaged by the transmission being jammed.

As to whether it will last, I can't say. I know of no other sources for the gear other than keeping a watch of Ebay.

www.hobartservice.com click on locate an office, enter your zip and it will show the office closest to you. They will be happy to sell you parts for any Hobart product.

SDBARBAS - You might try using the very easy "Hobart" smartparts webapp on the Hobart website. Cut and paste this into your browser Address line: http://catserv1.itwfeg.com/Hobart-Root/items.cfm, which is the parts list and an exploded view of the assembly for: Planetary, Tumbler and Agitator Shaft Unit Assembly. Go to Item # 64, and select "Add". The screen will change to 'Parts Selected'. Increase Qty to 4, hit "Update Quantities" and then hit "Confirm Parts Selected". On the next screen, select "Find Service Office", and follow the instructions on that pop-up window. You should be able to find a Hobart Service Office in your area that can price out your 4 tumbler yoke and shifter pin assembly. Good Luck... I hope this is helpful.

Sounds like the shear pin on the planetary shaft has sheared off. Has the mixer been subjected to a heavy load. Remove the planetary and see if the shear pin is intact otherwise you may have to open up the transmission.

Ron

Hi. Goto globeequipment.com they have an ED hook for your N50.

If this solution has assisted you, please rate it. ricardok45

you need to remove all the back screws then if it doesnt come tap it with arubber mallet it may be seized on

First, there is a double set screw (one on top of the other - if they are both there) towards the back of the planetary.

Remove the first screw, it should have a normal tip, not pointy. Run the mixer in 1st and adjust the screw, first out then in. Then repeat in 3rd. You should clearly hear a difference.

If not, you probably need to repack the grease in the transmission. The proper grease is called "Darina II". It's expensive ~ $35 per mixer.

The reset button is to protect over amping the motor. The N-50 is not a very strong unit, (commercially), but you won't break a gear. If you overload the unit, you'll either trip the overload (reset button), or you will break the taper pin that attaches the planetary to the center shaft.

If you're looking for a small commercial unit, and you're in the US, look into the 10 qt Precision Mixer.