Question about Hobart D300 Stand Mixer

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Hobart D300 Mixer: Has no torque and no speed in any gear

My friend has a D300 mixer and the mixing head has no torque or speed all of a sudden. I looked at her oil and it looked like sticky pancake syrup with some sludge down in and around the gears of the mixing head (from the oil caps view), would this have anything to do with it? If so, is it easy to change the oil??

Thanks,
-Mike C

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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.

Posted on Jul 25, 2009

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