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Author Topic: Hobart A 200 restauration  (Read 985 times)

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Offline MrCrowley

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Hobart A 200 restauration
« on: June 18, 2019, 03:32:44 AM »
I got in head over heels and bough an old beat up Hobart A-200. Got it for around 350,-
The plan is to restore it to a usable state. I'll pick it up next week so no idea yet of the real condition.
Seller said it is running but they have no idea if it is completely working.

I hope I can get away with cleaning and regreasing/oiling the gearbox and planetary drive and a bit of rust removal and repainting. Fingers crossed!

Anybody got some grease recommendations? So far I read mobile fm 222 can be used for the gearbox.
http://www.thefreshloaf.com/node/24332/hobart-n50-restoration-experience
Can the same grease be used for the planetary gears?

What about a paint job? Is there any food grade paint I can use or is powder coating the way to go?

I will report once I got the machine and try to make some updates as I go on with the restauration.


Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #1 on: June 18, 2019, 04:10:00 AM »
I contacted Hobart about the grease, this is what they recommend:

Planetary drive: Rocol food lube extreme - 0.05kg - (Hobart #SU-E-4-32)
Gearbox: Rocol food lube Premier 1 - 1.2kg - (Hobart #SU-E-4-29)


I would prefer the mobil grease price wise. FM 222 is about 30/kg and the Premier one comes at a whooping 80/kg according to my first google search.
« Last Edit: June 18, 2019, 04:14:04 AM by MrCrowley »

Offline ira

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Re: Hobart A 200 restauration
« Reply #2 on: June 18, 2019, 01:26:00 PM »
Go to your Mobil supplier with those part numbers and see what they have in a suitable equivalent.


Ira

Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #3 on: July 01, 2019, 03:41:25 AM »
Phew!
Collected the Hobart on the weekend.
Man is this thing big and heavy!  :o
Definitely not a machine you want to carry around a lot!
Got to take a closer look at it today, as it is still sitting in the car, waiting to be carried to the workshop.

Offline The Dough Doctor

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Re: Hobart A 200 restauration
« Reply #4 on: July 01, 2019, 10:15:53 AM »
Maybe it's just the angle of the picture but it looks more like an A-120 (12-quart) mixer. In any case you will want to replace the useless "J" hook and get a reverse spiral dough arm for your mixer, you'll be glad you did after trying to mix your first dough. That was a really great find, you've got most of the attachments (all of the most commonly used ones) with it too. Good Deal!
Be sure to bolt it down to the table you mount it on, we've had more than one take a walk off of the bench at AIB (not a pretty sight). If the bowl is rusted you can have it tin plated to restore it to "like new".
If there are any dents in the bowl, pretty common) let me know and I'll ll let you know how to remove them (do NOT go beating away at them with a hammer!). When you get a reverse spiral dough arm you will want to check and probably reset the clearance between the bottom of the dough arm and the bowl, it makes a big difference in how the doughs mix.
Tom Lehmann/The Dough Doctor

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Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #5 on: July 01, 2019, 12:20:38 PM »
I had a friend over and we lifted it to the workshop and gave it a test run.
It works, is quite silent and all 3 speeds are working too.
a bit of oil is leaking. It formed a coin sized puddle on the blanket in the car.
But I'm glad it is running without problems!

The plaque attached says A200.
I wonder how old it is. No ML-No engraved.

@The Dough Doctor
The bowl is quite dented. Any tips on removing them would be appreciated. My first idea indeed was a round anvil and a hammer. I once hammered a bowl out of sheetmetal this way.

the clearance has to be adjusted for sure, as even the j-hook touches the bottom of the bowl. But maybe it's due to the dents.

Bowl is a bit rusted at the bottom inside. The previous owner declared it as a "barn finding". Probably some water stood in there for a while.

Thanks for the tips!
Very appreciated!

I'll make some pictures later. So far I'm just happy it works as advertised, since it was a 2 hour drive and a shot in the dark (ebay)

MrCrowley

Offline The Dough Doctor

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Re: Hobart A 200 restauration
« Reply #6 on: July 01, 2019, 12:58:30 PM »
Here is how you remove those dents from the bowl.
Materials needed:
A bag or two of fine sand
Make a square wood frame about 5 to 6-inches high and about 18-inches square.
What to do:
Pour the sand into the wood frame.
Wet the sand (to about the consistence needed as if you were building a sand castle.
Place the bowl into the sand so the dent you are removing is at the 6 o-clock position.
Push the bowl down firmly to nestle the bowl into the sand.
Using an auto body hammer with a convex face carefully begin working the dent out starting at the edges of the dent and going around it working towards the center. If you don't have or can't borrow an auto body hammer use a carpenter's claw hammer (it has a convex face). Go slow, use many taps from the hammer and the dent will be worked out. The reason for using the wet sand is because it provides support for the surrounding metal so all that is worked out is the dent.
Repeat this for each dent. I used to repair dented bowls for our A-200 mixers at AIB this way and they came out just fine.
NOTE: DO NOT USE A BALL PEEN HAMMER.
After you get the bowl "de-dented" let me know if you need help adjusting the bowl clearance.
Tom Lehmann/The Dough Doctor

Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #7 on: July 02, 2019, 06:24:35 AM »
I contacted the mobile distributor.
The grease they recommended as replacement for the two Rocol greases were

FM 101 instead of Rocol Premier 1
the FM 222 grease is NLGI class 2, while FM 101 has class 1, the same as the Rocol Premier 1

SHC Polyrex 222  instead of Rocol extreme


Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #8 on: July 02, 2019, 07:16:43 AM »
Here is a pic from the leaking oil.
So probably the oil seal has to be replaced.


Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #9 on: July 02, 2019, 07:28:46 AM »
Here is how you remove those dents from the bowl.
(...)
The reason for using the wet sand is because it provides support for the surrounding metal so all that is worked out is the dent.

Hey, that's a great idea using sand as support! Thanks.

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Offline MrCrowley

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Re: Hobart A 200 restauration
« Reply #10 on: July 03, 2019, 08:23:47 AM »
The FM 101 is only available as barrel or 16kg bucket :-/
FM 222 is available in 390g tubes, but being NLGI class 2 it is much thicker than the NLGI class 1 FM 101.

But I guess before I buy a bucket of grease for 200,- bucks I might go with the thicker grease ;)

Offline bbqchuck

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Re: Hobart A 200 restauration
« Reply #11 on: August 14, 2019, 03:38:48 PM »
For the bowl dents, consider using a sandbag in lieu of a box full of sand.  It's the common sheet metal working tool for such work. 

Offline The Dough Doctor

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Re: Hobart A 200 restauration
« Reply #12 on: August 14, 2019, 07:01:08 PM »
Just be sure to wet the sand or it won't serve the intended purpose.
Tom Lehmann/The Dough Doctor

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