Question about Hobart D300 Stand Mixer

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Shift gears by itself

My D300 mixer will shift from 2nd and 3rd gears to 1st gear by itself. whats the problem and how do I fix?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 68 Answers

SOURCE: A200t ist gear

This is a lousy diagram for your purpose ...

http://www.hobartlink.com/extranet/extranetmanualsandcatalogs.nsf/57866D624A678E7385256CB0007232DA/$File/F-19357%20(05-95).pdf

Page 14. The spring goes on the right with the hump against the roller.

Mike

Posted on May 02, 2008

bigg t
  • 640 Answers

SOURCE: 3rd gear spends at 1st gear speed with clicking noise

A key is most likley sheared on the center shaft.Take the gears off the center shaft.

Posted on Nov 15, 2008

  • 1 Answer

SOURCE: A200-T Hobart Mixer 1st speed have no torque

Check the spring pin that locks the motor shaft to the main drive gear in the gear box. You should be able to turn the motor from the back at the cooling fins and watch the shaft spin in the gear, that is if the pin is sheared. That is a common problem. if you plan on keeping this machine for a while, i recomend that you spend a little more on a quality spring pin,

mechanictony-
good luck.

Posted on Jan 20, 2009

  • 1 Answer

SOURCE: Hobart N-50 mixer clangs on 1st and 2nd speed

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.

Posted on Mar 17, 2009

  • 81 Answers

SOURCE: Hobart D300 Mixer, Will not shift from 2nd to 1st

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.

Posted on Jul 25, 2009

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Jeff your almost there....it must be the shifter into third....it must not slide fully into third....check for wear marks on the worm gear....and try running it without the protective cover on to see how it changes from 1st, into 2nd, then third...that mechanisim if not engaging totally in third.

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Best guess is that the gear for 3rd speed is seized together with it's brass bushing and the center, large transmission shaft. I don't recall which gear is for 3rd, but the transmission has two gears (2nd and 3rd speed) which have brass bushings in them. The brass bushing should spin freely on the center shaft (when in final position - sometimes they pull off the shaft tough, but spin freely when in final position, my opinion is that this is OK), and the gear should spin freely of the brass bushing.
My guess is that the 3rd speed gear, being seized to the center shaft, cannot freely idle on the center shaft, which would result in being stuck in 3rd gear.

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Hobart Mixer D300, When mixing mashed potatoes paddle will only turn in low gear. When product is mashed with milk added it sometimes will turn in 2nd gear, but never in top. When this happens, motor is...


Sounds like the keys in the shifting sleeve may be sheared. The transmission will have to be disassembled and checked for broken parts. Check www.hobartservice.com for your local Hobart office.

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Hobart A200 mixer 1st speed doesn't work 2nd and 3rd work fine


Could be that a gear is missing (broken) on the shaft that works the 1st gear. Check out the schematic at

http://www.food-equipment.com/parts_Hobart_mixers.htm

It could be the gear HM2-748

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sounds like you have a sheared key in one of the gears. which speed is it slipping in or is it all 3speeds

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Hobart D300 Mixer, Will not shift from 2nd to 1st gear without coming to full stop, Ideas as to source of problem? It also seems to be making increased noise.


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.

Jul 23, 2009 | Hobart D300 Stand Mixer

1 Answer

Problem with the 3rd gear on Hobart D300


Hobart won't give up service manuals The slide for your shift fork may be froze or corroded at top. The gear setups are fairly simple. The mainshaft nut comes off counterclockwise. The top gear has one way rollers with shims under the large washer. This gear assy must go back in the right way or you will break gears as soon as you start it.These mixers corode a lot at the top gearbox when they sit idle from moisture. Also check for broken gear teeth that may be jaming up he works. If you want to sell it let us know.
Dave at machinerysurplus@yahoo.com

Dec 11, 2008 | Hobart D300 Stand Mixer

1 Answer

3rd gear spends at 1st gear speed with clicking noise


A key is most likley sheared on the center shaft.Take the gears off the center shaft.

Oct 15, 2008 | Hobart A200 Stand Mixer

2 Answers

Hobart N-50 mixer clangs on 1st and 2nd speed


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.

Jun 03, 2008 | Hobart N50 Stand Mixer

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