Question about Hobart Food Mixers

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LEAKING OIL SEAL ON HOBART 660 CAN'T GET PLANETARY TO COME LOOSE

I READ PREVIOUS ADVICE BUT CAN'T FIGURE OUT WHAT THE ACORN NUT AND IF THAT HAS TO BE REMOVED FIRST BEFORE BEING ABLE TO DROP PLANETARY

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Definitely need to remove the acorn nut. There should then be a few thinner nuts as well. Make sure to drain the oil from planetary first and also be careful as the entire assembly is heavy. If I recall correctly, you need to be aware of a fiber gear that follows the inner gear (sun gear) and drives the oil pump that is mounted inside the planetary.

Posted on Jul 18, 2009

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1 Answer

Slowspeeds


Please submit more information of the actual problem.
One issue could be that 1st and 2nd are the same speed, but third is faster.That is caused by having the two nuts in the bottom of the planetary too tight. This pinches the bushings in the second speed gear which drives by friction faster than the gears of 1st causing 1st to slip. Back off the acorn nut and thin lock nut perhaps a half to a full turn. Hold the lock nut and tighten the acorn nut to it. You can tes the setting by pushing up on he planetary. You should see about a 1/16" movement.
If you only have one speed in all gears, either the internal gear selector is broken, or a key is sheared between a gear and shaft.

Mar 05, 2014 | Hobart A200 Stand Mixer

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.

Feb 27, 2014 | Hobart A200 Stand Mixer

4 Answers

I have a hobart a-200 mixer that had the brass drive gear go out. I rebuilt the transmission and used a parts breakdown to clean out and rebuilt the whole tranny. Now I have no 1st gear. Under a load...


Loosen the two planetary nuts, should be a thin nut and an acorn nut. With these loose make sure the large nut on top of the transmission is tight. Push the planetary all the way up on the shaft and turn the thin nut up until snug. Back the thin nut off 1/4 turn. Hold the thin nut in position and lock the acorn nut against it. The planetary must have a very small amount of up and down play.

May 20, 2010 | Hobart A200 Stand Mixer

1 Answer

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.

May 20, 2010 | Hobart A200 Stand Mixer

1 Answer

I have a Hobart A-200 that shifts gears by itself, and sometimes doesn't shift properly with shift lever. Speeds are not always the same as shift lever indicates.


first tighten the top main shaft nut all the way, then back off 1/4 turn ,then go to the planetary nut remove acorn nut, the 1/8 wide nut tighten all the way then back off 1/4 turn reassemble mixer try oper. of speeds. let me know how you make out please

Oct 23, 2009 | Hobart Food Mixers

1 Answer

Oil leak from planetary


The transmission center shaft seal/chimney is bad.You need to tear the transmission down in order to repair,let me know.

Apr 29, 2009 | Hobart H600 Stand Mixer

1 Answer

Oil leak on A200


OK guys, let's try to solve your common problems first then the rest will become clearer.

The Hobart A200,,,,,,,, does not use oil! It uses grease! If you see oil, it's because the grease is separating the oil in the grease. Both machines have not been serviced for at least 5 years. That's about the lenghth of the lifetime of most greases. I recommend that you call Hobart and ask about their tech. rates. All bearings should be checked carefully for wear, as should the worm gear, seal, and the Bronze gear that it turns. The Planetary (mixing part), should be removed as well, cleaned. and inspected. Replace the seal on the planetary and on the mainshaft. Removal of all old grease is required, as it's no longer doing the job it was designed to do, will result in advanced wear, and is the actual source of your problems. The seals were designed to seal grease, not oil.

If Hobart is too pricey for you, and they are for many, try to find someone from a wholesale restaurant equip. place who has rebuilt these machines, or find a repair shop who have experience with this Hobart model. If you'd like to tackle the job yourselves, go to www.hobartservice.com. Register for free, then find the files that match your mixer model and ML # and download the parts files for it. These exploded drawings will be very helpful with your task.

Either way, these mixers need to be opened up to remove existing oil and hardened grease, especially the oil! The planetary must be removed to drain any oil out of it and to regrease it. If you can get the oil out of the mixer, a short fix would then be to simply regrease the the mixer and put it back into service, leaving the existing seals in place. Don't forget to wipe out the shiny ring on the planetary, if it too has oil in it.

There is no seal at the hub. No seals can be tightened. The oil leak underneath the mixer comes from the motor shaft seal at the transmission case where the pinion gear enters the trans., it flows down into the mixer support column and drips onto the floor or counter, again, because of the breakdown of the grease.

If you tackle the job yourself, find your local Chevron Distributor and get several tubes of the approved grease, namely, Chevron FM ALC EP NNGI 2. Chevron p/n 230204-000. If you've found this solution helpful, please rate it as fixya!

Good Luck! ricardok45

Jan 19, 2009 | Hobart A200 Stand Mixer

1 Answer

A-200 mixer oil leak


the trans uses all grease today hobart uses mobil lith aw-2 you can get the seal from any hobart office.

Oct 19, 2008 | Hobart A200 Stand Mixer

1 Answer

Hobart A200 oil leak


grease coming out the planitary on bottom normally means it needs taken apart completley cleaned out of old grease and new seal and newer stile spacer seal goes around with the O-ring on it. and factory grease. the noise impossble from here to tell.

Sep 10, 2008 | Hobart A200 Stand Mixer

1 Answer

Oil seal


1. Remove the acorn nut, hex nut, and washer that hold the "planetary" agitator section on the transmission shaft.
2. Remove the trim ring (if any) around the same.
3. The agitator section should now be able to be worked free.
4. Remove the retainer clip on the top of the agitator shaft. (Some models have a pair of hex nuts here; if so, remove those.)
5. Pry the gear up and off the shaft. Remove the square key from the shaft keyway at the same time.
6. Tap gently on the top of the agitator shaft to drive it out from the bearings and grease seal.
7. Recommend removing and replacing the top bearing at this time; it's inexpensive to replace, if you're in this deep.
8. Use a suitable diameter piece of round steel stock to drive out the lower bearing and oil seal. I don't recommend using the agitator shaft.
9. Clean thoroughly, insert a new bottom bearing and oil seal, drive in place with a rubber mallet.
10. Replace agitator shaft through oil seal and bearing, tap gently into place.
11. Fill cavity with approved lubricant. I use USP-grade mineral oil, as it is food-safe and provides satisfactory lubricity.
11. Install top bearing, tap gently into place.
12. Reverse steps 5-1 to reassemble.

Aug 24, 2008 | Food Mixers

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