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Sears Snowthrower Restoration


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#1 Walkinman1 OFFLINE  

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Posted December 01, 2013 - 06:45 PM

A few weeks ago I got the bright idea to straighten out the auger on the snowthrower that came with my freshly acquired Sears Suburban 12 as it appeared that the PO had picked up some things that he shouldn't have, thus twisting up the auger pretty badly.  Well, one thing led to another and it turned into a full restoration of the blower.  I've got plenty of pics for you guys starting with before and after shots of the auger... I couldn't get it perfect as it's just too far gone but I think it oughta be good enough to get the job done.

SS Bent Auger.jpg

SS Bent Auger 2.jpg

SS Auger 1.jpg

SS Auger 2.jpg

 

Next I discovered that where the lift mechanism attaches to the housing there was some denting and cracking going on, the PO had welded the pivot pins into the lift mechanism, why I'm not sure but it was a chore to remove.  As you'll see he had welded a lot of things onto the housing, also not entirely sure why.  It was basically all stainless that was boogered onto the housing so that had to go.  Next was welding up the cracking and holes, adding reinforcement plates to where the lift attaches and then re-welding the mounts.

SS Housing 1.jpg

SS Housing 2.jpg

SS Housing 3.jpg

SS Housing 4.jpg

SS Housing 5.jpg

SS Housing 6.jpg

SS Housing 7.jpg

SS Housing 8.jpg

SS Housing 9.jpg

SS Housing 10.jpg

 

Then it was time to fix up some of the other parts, the bent and cracked chain guard, the chute, skid shoes, etc.

SS Chain Guard 1.jpg

SS Chain Guard 2.jpg

SS Chain Guard 3.jpg

SS Chute 1.jpg

SS Chute 2.jpg

(I guess I forgot to grab the "after" pics of the chute, I'll have to get some a little later)

SS Skid Shoes 1.jpg

SS Skid Shoes 2.jpg

 

In the second picture of the housing you can see a couple small pieces of square stock and some washers welded onto the top of the housing.  Those I'm guessing were to function as a support for the chain drive end of the gearbox, it would appear that at some point he had managed to stop the auger so abruptly that it bent the mount for the gearbox (probably at the same time as the auger got bent).  Needless to say that had to be removed and a better solution found...

Here you can see how much leverage is on the mount in factory form:

SS Gearbox 1.jpg

Here's my solution; secure, simple, cheap, easy and removable if I need to take the gearbox off:

SS Gearbox Support 1.jpg

SS Gearbox Support 2.jpg

 

As I was sandblasting everything I kept running across a couple of things that surprised me and I was curious if anyone else has ever seen this...?

Mill scale:

SS Mill Scale.jpg

Weld slag:

SS Weld Slag.jpg

I thought that would've all been cleaned off at the factory and that perhaps what I was finding it on were parts the PO had rebuilt but I saw in way too many places for that to be the case so it must have been from the factory...a bit of surprise for me.

 

A few more gratuitous "before" pics:

IMAG0072.jpg

IMAG0073.jpg

IMAG0079.jpg

IMAG0080.jpg

IMAG0081.jpg

IMAG0082.jpg

IMAG0083.jpg

IMAG0084.jpg

IMAG0085.jpg

IMAG0086.jpg

SS Snowblower PTO 2.jpg

SS Snowblower PTO 3.jpg

SS Snowblower PTO.jpg

 

Here's everything finally all prepped for paint:

SS Snowblower Prepped.jpg

 

Here's my "redneck engineering" paint booth, after removing the plastic that hung around it:

SS Snowblower Paint Booth.jpg

 

Here it is, finally mostly assembled:

SS Snowblower 1.jpg

SS Snowblower 2.jpg

SS Snowblower 3.jpg

 

It's not totally done yet, I need to get a new auger drive chain (it appears the PO cut an entire link out of it to tension it again after the gearbox mount bent and now that it's straight again the chain no longer reaches).  I also need a couple of small bolts that I forgot to grab from the hardware store, then I can finish it up completely but I have enough done that I figured I'd post up the progress.

 

P.S.  Take it easy on me guys, this is my first ever attempt at actually fully restoring something  :D

 

Thanks for looking!


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#2 KennyP OFFLINE  

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Posted December 01, 2013 - 06:52 PM

Looks mighty fine to me!



#3 MH81 ONLINE  

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Posted December 01, 2013 - 06:54 PM

That looks great. I have one just like it and was looking it over the other day. It should get some love, but it works well and I need it ready for the winter.

#4 Titus OFFLINE  

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Posted December 01, 2013 - 07:16 PM

That looks great to me! Good job



#5 Walkinman1 OFFLINE  

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Posted December 01, 2013 - 07:18 PM

Thanks guys! MH, I was kinda in the same boat on this one so I was scrambling a little to get it done in time, thankfully the real snow held off long enough.
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#6 Cat385B ONLINE  

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Posted December 01, 2013 - 09:09 PM

Uh oh, new paint on the attachment......tractor will get jealous.....

 

I think you did an excellent job, first time or not. You fixed broken parts, re-worked weak spots, and have it protected to last decades into the future. Not sure where we could even begin to razz ya for that....



#7 Walkinman1 OFFLINE  

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Posted December 02, 2013 - 11:06 AM

I hope the tractor doesn't get jealous as she will stay in her working clothes, I like her that way. The only reason the 'blower got a full refurb is because it desperately needed it.
There's a few flaws in the paint that I'm not happy about but it was a great piece to learn on as it was pretty complex (at least for someone with no spray gun experience) but I did learn a lot so I guess I achieved my goal. I definitely learned that I will never use that Majik brand paint again.

#8 TAHOE OFFLINE  

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Posted December 02, 2013 - 12:42 PM

Looks like that was some work, but finished product looks nice.

I had thought about getting one for my sears, but the snow falls that last few years haven't made it worth it. I have a newer one on my Craftsman, haven't mmounted it the last two years.


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#9 IamSherwood OFFLINE  

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Posted December 02, 2013 - 01:29 PM

You did a lot of work there, and did it right. Fixing everything that

needed fixing. No shortcuts taken. Nice resto. It looks good too.


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#10 junkyardjeff OFFLINE  

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Posted December 03, 2013 - 10:25 PM

I love how those just fix one thing snowballs into a big project,I can not get away from them in my garge and it loks nice.


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#11 Walkinman1 OFFLINE  

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Posted December 08, 2013 - 03:22 PM

Question for you guys: it specifies 80 weight oil to run in the gearbox, can I just run 80-90 or do I need to track down some straight 80 weight?

Sent from my HTC6500LVW using Tapatalk



#12 Cat385B ONLINE  

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Posted December 08, 2013 - 05:36 PM

You can run the 80-90 without any issues.



#13 MH81 ONLINE  

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Posted December 08, 2013 - 06:48 PM

You can run the 80-90 without any issues.


:ditto:

#14 Walkinman1 OFFLINE  

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Posted December 08, 2013 - 08:58 PM

Thanks guys! Just wanted to make sure it was safe for the bearings and bushings.

#15 Lance Skene OFFLINE  

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Posted December 09, 2013 - 05:47 AM

Very nicely done! Have you had a chance to use it yet?

 

Any guesstimate how many rpm its doing at full throttle?

What model year is your tractor?

 

Thx for the link to the thread:)






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