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BaySide1

WH 520-H 2 Stage SnowBlower Maintenance Questions

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BaySide1

Hey Guys,

 

Doing some Maintenance on my 2 Stage snowblower ID # 0644SC01    60442  Ser# 9317

Problem # 1

Last winter Noticed that the Drive Pully on the Blower was wabbling

This spring when I took the belt off I noticed that the Keyway on the spindle and pulley was worn.

The Key ways actually rounded

The set screw in the pully to spindle was missing.

So, what is the easy/cheap fix that will solve this issue

Thinking of mig welding the pulley to the spindle.

How Stupid is that idea?

 

Problem #2

The scraper Blade is well worn. Should I try to find a new piece or weld something to it?

What would you guys do?

 

Thanks In Advance for taking the time to Respond,

Best Regards,

 

Kevin B

 

 

20170923_164750.jpg

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WVHillbilly520H

I would try and find a new cutting/scraper edge unless you weld the new piece to the bottom there may be interference with the auger, as far as pulley and jack shaft, I would tear the gear box down and have a machine shop either make a new one or weld it up machine it to size and re-key it I would NOT weld the pulley to the shaft unless it was just long enough to finish out removal of blizzard, Jeff.

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BaySide1
1 hour ago, WVHillbilly520H said:

I would try and find a new cutting/scraper edge unless you weld the new piece to the bottom there may be interference with the auger, as far as pulley and jack shaft, I would tear the gear box down and have a machine shop either make a new one or weld it up machine it to size and re-key it I would NOT weld the pulley to the shaft unless it was just long enough to finish out removal of blizzard, Jeff.

are there any rebuild kit available for these gear boxes?

I know a guy that can mill a new saft but he would probably charge about $100 and a new pulley is $54 from Toro.

Did I mention that I am cheap?

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WVHillbilly520H

I'm cheap too but (fortunately) I'm a machinist and could do it myself, but as far as a rebuild kit for the gearbox I really have no idea, but on the flip side if there is not a lot of wear on that shaft a keyway could be cut 90°-180° from the original and with a new pulley with a set screw should fix that problem, Jeff.

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roadapples

After removing the bearing, that keyway could be welded around a brass key like @Ed Kennell and others have done to axle shafts...

 

 

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Ed Kennell

 

Here is the post of the repair I made to an axle keyway.   However you decide to make the repair, I would also add a second set screw 90 degrees from the keyway.

Common size dive pulleys are available at TSC for about $20.

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