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Trying to find gears for an Old Mixer

I have a Hobart C-100 and am looking for the planetary gears. The numbers I got from the Hobart site are:
M-61665 Pinion (19t)
P-61646 Gear (64t)
Is there a source for these older parts?

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Re: Trying to find gears for an Old Mixer

I have a hobart 10 quart mixer with no attachments. Either I could sell or repair your mixer, or buy your old one. We could replace it with a slightly larger hobart mixer as well.


Posted on Dec 25, 2007

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Re: Trying to find gears for an Old Mixer

Sorry my friend but that is a very old mixer and we dont sell them anymore (im a tech for hobart).the only suggestion i have is to find a machine shop in your area and bring them the old gears and see if they can machine them for you.are they broken?whats the problem.

Posted on Nov 02, 2007

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1 Answer

Hobart a200 first gear not working

slacken the big acorn nut away from the bottom of the planetary and then tighten the lock nut to the acorn nut. When adjusted and secured, the planetary should have a little vertical play, maybe 1/16".
That will stop the second gear driving from friction from being too tight.

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I have a hobart a-200 mixer. I rebuilt the transmission and got it up and running but the shifter when put into 1st gear still runs at 2nd gear speed. When I put the mixer under a load it slows down like...

Provided you have assembled the machine correctly you have probably tightened the planetary nuts too tight. Loosen both planetary nuts. Should be an acorn nut and a thin nut. Push the planetary all the way up on the shaft and run the thin nut up until it is snug. Back the thin nut off about 1/4 turn. Hold the thin nut and tighten the acorn nut against the thin nut. The planetary must have a small amount of up and down play in it or it will cause the problem you describe.

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The noise you are describing sounds like the noise associated with the pinion gear meshing with the ring gear in the planetary. Depending on the age of the unit, some noise is to be expected. The lubricant used in the planetary is different than that of the main transmission and is not visible without disassembly. Again, depending on age of the mixer, your planetary may have a small amount of oil and a pump to bathe the gears or just a generous amount of grease applied to the gears. The only way to properly inspect the planetary is to remove it. Depending on your luck, this may be 20 min job or several hours. It all depends on the ease of which the planetary releases from the main center shaft. Should you decide to tackle this job yourself let me know and we'll do our best to assist you. Several knowlegeable techs monitor this area of the site.

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Hobart mixers are NOT designed to change gears while operating. The Hobart planetary gears are like the transmission in your car but, without the clutch. Everytime you change gears while unit is running you are tearing up the brass spacers, gears & seals. Time to call a QUALIFIED service tech to come out & sell you another planetary or rebuild your old one, about $2K, Buy a Varimixer if you want to change gears while unit is running, they use belts. Another planetary premature failur cause, over loading the bowl. Batters & icings- 75% bowl capacity, Dough 65% bowl capacity.

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You have a gear with broken teeth or one sliding out of place because the brass shims are eaten up. Hobarts have what is called a planetary, round head where the grease caps are, and there are no clutches for this planetary. These units are not made to change gears while unit is running (#1 problem of gear failure) (#2 is overloading the bowl) Hobarts need a really stiff GREASE, not oil. If you decide to take the planetary apart, get all the syrup out and replace with a stiff axel grease. It is a very difficult job replacing a gear & ALL the shims. The round head where the grease caps are can easily be removed to do this.

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Hobart A-200 serial # ?

Hi. Your mixer was manufactured in 1967. If you plan on keeping it, take the outer cover off, gently remove the two metal dust caps with a small screwdriver and look into each opening with a good flashlight to determine the quality and amount of grease in the trans. case.

Ideally the grease should almost fill the space with no oil visible. If you need to look further, I suggest that you open up the transmission cover, to determine the condition of the grease that lubricates the transmission. If you find that oil is seperating from the grease. you would do well to remove all of the oil and old grease and replace it with either Shell Darina EP-2, or Chevron FM ALC EP-2 grease. It's a messy job, but it will add years of life to your mixer.

Check the planetary seal, remove, clean and regrease the planetary gearing. With a mixer of this age, you never know if it has ever been serviced since it's manufacture or not. The grease must totaly encapsulate the trans. gears. As the grease breaks down it's level lowers and it leaves some of the upper gears without lubrication, and will result in preventable wear.

Good luck! If you found this solution helpful, please rate it. ricardok45

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1 Answer

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Check the planetary.this is the bottom part of the mixer where you attach the hook.
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Also have a look below:

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1 Answer

Hobart A200

amy, depending on how old your mixer is there are 2 types of clutches for 1st gear.these could be your problems--a key is sheared on the shaft--shaft/gear is broken.the bottom part of the mixer where you put on the attachements is called the planetary,does it look like it has moved down?you could tell if the dough hook,wire whip,ect,ect is hitting the bottom of the bowl.if this is the case its just simply tightening the 2 nuts next to the beater shaft.if this is not the case you would have to dissasemble the transmission.let me know.

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