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Re: motor worm gear hobat a200
Harry, if you're confident that you can take it apart and repair it yourself, then do the following. Go to www.hobartservice.com website. Register, and when you've been admitted to the site find the discontinued products section on the left hand side of the page, click on it, then select the Food Machines Group, then select Mixers. Make sure that your ML# is covered by the document.Select the file numbered A-200 Parts List F-6728. pdf. Look for the ML#. Once you've selected the document, go to page #9, there you'll find the exploded drawings for the A 200 transmission parts. If you look at the whole document (15 pages), you should be able to see what needs to be taken apart to get at the worm gear.
If you're not sure you can do this...Then don't do it. But if you do, check all bearings, springs and gears for excessive wear and replace as necessary. Hobart techs do this stuff every day. For someone who has not done this kind of rebuilding before, it can be a long and expensive learning curve. Good luck. If you find that this solution has been helpfull to you, please rate it. ricardok45
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The first vertical shaft has a brass gear that runs off the rotor. The ancient models had a spring loaded slip clutch built onto the gear. Upgrade it with a worm shaft kit which gives you a complete new shaft and fixed gears. I think it includes the upper and lower bearings. Maybe replace the grease if it has not been done. Or look for a sheared key on the worm shaft.
Do not heat up you have to strip the gear box but not all take the top gears off but look what you are doing its got to go back the same way or it won't work you have to take the worm gear off and then you can take it out from the back but if you can't do it get in touch with **** at x bakery in Haywood and ill sort it for you hope this helps it is a big job sorry
The safety cage kit is not cheap and you may not find a used cage. Why would you want to install used gears? They would have been removed from a mixer that has failed for some reason. Usually broken gears or shafts.
no there are no adjustments . you must have bent the case just a little , i dont see any good news for you , sorry . i have worked on hobart mixers for years and you should get 5-10 years out of that gear
sometimes you read of other problems and solutions and it puts you at the edge of your seat. in this case of changing the worm gear on the A200F was cake. when you drop the lower end (3/4 acorn and jam nut), pull out yoke (speed select handle) the center transmision shaft and gears pull right out.worm gear easy to change at this point. if you can change a motor bearing, then you can do this job. Note: change seals and bearings as needed,check all gears,keys and spacers for wear and if you go the mile take gears off drive gears, these are the 2 smaller trans shafts put in lath if you have accsess to one if not roll shafts on flat surface to see that shafts have no bends in them. Also remember when you put the bottom back do not over tighten the jam nut,hold and lock acorn nut, should spin free and have about .016 to .030 movement up or down. Lay out all part on cardboard the way they came out. should go back together easy.
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.