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Mf-620 Snow-Thrower Rebuild Thread


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#1 FirefyterEmt OFFLINE  

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Posted September 26, 2011 - 10:52 PM

I thought that I would start a new thread so y'all can follow along with another full rebuild. I picked this early style 620 snow-thrower from GT Talk member DMF in mid-September 2011. All in all it's in great shape and almost everything was there. All I am missing is the main bracket for the frame. With some great help from GT Talk members, I have all the photo's and measurements that I need to re-produce (and improve) the original bracket.

So, here are some photos that I know y'all enjoy so much!

Here it is just after I got it unloaded from the back of my Jeep.

MF-620-3.jpg

MF-620-1.jpg

MF-620-2.jpg

MF-620-4.jpg


The first thing was to let it soak in PB Blaster overnight and then tear it down. All in all, it is very simple, but the auger had to be pried out. Looking at the auger, there is just no free room to remove it. I will have to paint the inside of the housing and then re-spray the inside after I get the auger back in.
Anyway, with it stripped down, I pulled my makeshift electrolysis tank into the shop. (my garden trailer lined in plastic)

MF-620-16.JPG

And after a few days, I pulled it out and hit it with the wire wheel on my grinder. That set-up works great too! Once I had it cleaned up, I flipped it over and back into the tank it goes! Now it needs to cook for a few more days before I can pull it out. After that, I can start in on the auger, chute, and larger brackets.

MF-620-20.jpg

MF-620-21.jpg

For now, half a week later... this is where I stand. I am quite pleased with how quick it's going and how simple the design is. I did notice a break on the cast arm that the pulleys attach to. I am going to look into the cost of having it welded, worst case, its pretty simple and I will just hand make one from steel. I will update this tread as I go, so tag it to remind you of new posts and enjoy the progress!

Attached Thumbnails

  • MF-620-4.jpg

Edited by FirefyterEmt, June 29, 2014 - 09:19 PM.


#2 Chuck_050382 OFFLINE  

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Posted September 27, 2011 - 07:19 AM

It's looking good, I like your large scale Electrolysis tank.

#3 massey driver OFFLINE  

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Posted September 27, 2011 - 08:27 AM

Wow thats looking really good.Larry

#4 fordmustang1984 OFFLINE  

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Posted September 27, 2011 - 04:11 PM

Those are always broken as far as i know, both of mine are. Shouldn't be too bad for someone to fix, ive had worse things to weld. I like the trailer tank! If i ever get around to doing some electrolysis, i might have to borrow it...:D

#5 mac102004 ONLINE  

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Posted September 27, 2011 - 06:15 PM

I can't believe I had one of these in near mint shape and sold it. WHY would I do that?

Hope it turns out nice!

#6 mjodrey OFFLINE  

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Posted September 27, 2011 - 06:29 PM

Hey,that is looking good.

#7 FirefyterEmt OFFLINE  

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Posted September 27, 2011 - 08:50 PM

Thanks guys, I can't wait to get it all up and ready to go. I can't wait to get the trailer out of my shop... it's stuck there until I am done and with the placement, my Jeep fits in the shop with just one inch to spare. (And only that if perfectly straight and the rear touching the trailer!)

#8 FirefyterEmt OFFLINE  

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Posted October 01, 2011 - 10:24 PM

Well, today I had time to get the main body out of the tank and all cleaned up. This took a while to do as the top of the blower housing is hard to clean. I was able to sneak my 4.5" grinder with a wire-wheel inside it, but with out the side handle. Thank God for heavy welding gloves, I tell ya! Lots of wire brushing and hand sanding later, I was down to this:

MF-620-23.jpg

MF-620-27.jpg

MF-620-28.jpg

And a nice coat of primer (three cans later that is!) and I had it looking like this. I still have to fill some rust pitting, but the poly-putty can go over primer. My next step is to start in on the mounting bracket and finish striping the smaller parts. I have the chute and auger in the tank now.

MF-620-29.jpg

MF-620-32.jpg

MF-620-33.jpg

More to come as time to work on it allows...

 


Edited by FirefyterEmt, June 29, 2014 - 09:24 PM.


#9 IamSherwood OFFLINE  

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Posted October 02, 2011 - 06:31 AM

Sounds good. They're a bugger to clean up aren't they. Lots of corners.

#10 FirefyterEmt OFFLINE  

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Posted October 02, 2011 - 10:07 PM

Finally, The server is back up and running! There are the photos. :worshippy1:

#11 DMF OFFLINE  

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Posted October 03, 2011 - 07:25 AM

Looking good Lee!

#12 mac102004 ONLINE  

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Posted October 03, 2011 - 10:35 AM

Looking good. Cant wait to see it done!

#13 FirefyterEmt OFFLINE  

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Posted October 03, 2011 - 01:36 PM

Thanks, Last week I left the measurements and a little piece of the "Massy" logo at my sign guy to be reproduced. Plus I just put in the order on ebay for the tri-logo's.

#14 IamSherwood OFFLINE  

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Posted October 03, 2011 - 07:57 PM

By the time you're done with it, it'll be like a new one. Great work.

#15 FirefyterEmt OFFLINE  

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Posted October 04, 2011 - 06:59 AM

If it comes out as nice as the ones you do, I will be pleased. ;-)




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