Question about Hobart D300-6036 Mixer

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3rd gear gets rough ...

When there is a load and sometimes when empty it appares it is slipping in 3rd gear

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The symptoms you are describing would lead me to believe that the shifter clutch sleeve (part # 70035-1) is worn out. There's a chance that the gear that engages the clutch is worn as well, but less likely. A significant amount of transmission disassembly is required to access and replace these particular parts. There are a lot of things that can go poorly if you don't pay attention to detail when disassembling/reassembeling the transmission of a D300 (ie clutch rollers and springs) On a brighter note, it's about a 90 minute job for a proficient technician, if everything goes his/her way. That money would be well spent.

Posted on Oct 10, 2009

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2 Answers

Hobart D300 is stuck in speed 3, any ideas?


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.

Mar 17, 2012 | Hobart D300 Stand Mixer

1 Answer

Hobart a200 will run just fine without anything in the bowl, once I pour my ingredients into the bowl, it wouldn't even mix the ingredients. Try all 3 gears.


Short answer: something is worn/broken inside the mixer's transmission.

Longer answer:

Since none of the three gears operate, the problem is most likely on either the worm gear shaft (probably the brass worm gear itself) or the "transmission shaft" (ironic name as all three shafts could be called transmission shafts). If you're up to the task of disassembling the transmission, which is a very messy task, you'd probably find the problem on one of the two smaller shafts inside the transmission. You'll most likely find either a broken key or worn brass worm gear. Both of these items may have enough holding strength to operate under very light loads (such as an empty bowl) but slip once a load is presented.
Also check the planetary key. Remove the planetary by removing two nuts on the underside of the transmission, where the attachments attach (careful, as the whole thing will drop once the second, thin nut is removed). You will find a long key on the shaft (or in the planetary gear, whichever one it sticks to). Make sure it's not broken, and re-attach the planetary.

Aug 12, 2010 | Hobart A200 Stand Mixer

3 Answers

Hobart d300 spins but slips under load


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

Dec 04, 2009 | Hobart D300 Stand Mixer

2 Answers

V1401 slips in all gears; what to adjust?


Take the top cover off,in front of you is the brake.Turn the mixer on and you will see it spin (put it in 1st gear),stop the mixer.on the right side you will see a pin that catches the brake flange,if its worn you can replace it,if its not worn then the brake needs adjusting as it acts like a clutch.Let me know,im a hobart tech band repair these units often.

Nov 18, 2009 | Hobart Food Mixers

2 Answers

Loose gear


Lock out-Tagout the machine. Remove the top cover, hold the beater shaft while removing the center shaft nut. Then remove the 4 bolts and and hardware on top of the first(worm) shaft and the second(clutch)shaft. you can gently tap the top cover up with a cold chisel on the upper parts of the housing. It's just a friction fit , aligned on two dowels. Once the cover is off, scoop out the grease, remove the side panel and selector assembly. Try and lift all of the first gear assembly together. the newer ones have a series of rollers and springs, which can be easily reassembled, if you see which way everything was. As you rmove parts, lay them on a clean surface in a row in the position they came out. The selector sleeve is marked TOP, but looking at the 4 drive teeth each side, you will see how it drives 2nd and 3rd gears. The clutch and worm shafts lift out together from slip fit bearings in the housing base.

When reassembling, coat everything with new grease, and run before loading all the grease. If you need to remove anything , you won't be up to your wrists in grease doing it. Once all is good, load the grease in the top hole nearest the motor with it running. The gears will feed the grease as you load the 35 OZ.
If you removed the planetary to remove the center shaft, don't tighten the half nut tight. back it off a half turn and lock it with the acorn nut. Otherwise you will loose first gear from pinch friction.

Sep 14, 2009 | Hobart A200 Stand Mixer

1 Answer

Hobart a-200 3rd gear lock-up issue


do you have a spauge cutch first gear or a diving key locking type? sheck shifting collar for being rounded off on the gear and the collar they get rouned off and won't lock gear in.

Nov 28, 2008 | Hobart A200 Stand Mixer

2 Answers

Hobart A200


When you say lag and catch up. This may not be a issue. I have seen this with dough and a spiral hooks on all sizes of Hobarts the hook and dough get in a position to push the hook forward and the drive gears catch back up the hook. in fist gear on the 20 quart this is common for sure. but its normal. if you have a real slip from a sheared key it will not take long to where you can hold the planetary shaft with your hand and stop it. another slip that might be possible is if your mixer has the first generation worm shaft gear Assembly. when it is worn out it will slip you. this is the shaft that drives directly off the motor. you can tell if it's first Gen by it has a large spring on it. the tow later versions are all keyed to the shaft no chance to slip unless a key shears.
Michael

Oct 24, 2008 | Hobart A200 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

Free standing hobart 30 quart


First gaer is slow one don't add too much.

Mar 03, 2008 | Food Mixers

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