How to set scraper bar and then skid shoes? - Snowblower Forum : Snow Blower Forums
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post #1 of 32 Old 12-01-2019, 08:28 PM Thread Starter
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Question How to set scraper bar and then skid shoes?

I have a 17 year old Craftsman 9HP 29" with a Tecumseh engine, model: 536.887990. I have read the manual and searched online and read a few hints and watched many videos. I don't see a specific answer to proper setting of scraper bar. I have one with oval holes for adjusting the bar up and down. Should I push it all the way down or back it up off the bottom of the housing(obviously not allowing the housing to scrape the ground). In either case I will adjust the skid shoes 1/8" lower than the scraper bar for a paved driveway I clear. I have set it all the way down which lifts the auger higher up off the ground, and set the shoes for the 1/8" clearance, but I don't know if this is the proper way to set it. The manual just states to set the scraper bar to the proper position, but does not indicate what is the proper position. Any opinions on this?

Thanks for reading.

2002 Craftsman 9HP 29" Electric Start Dual Stage
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post #2 of 32 Old 12-01-2019, 08:57 PM
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Got this from Ariens manual
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post #3 of 32 Old 12-01-2019, 09:02 PM Thread Starter
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@micah68kj

So this would suggest the auger lower to the ground is the way to go.

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post #4 of 32 Old 12-01-2019, 10:08 PM
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Quote:
Originally Posted by Sgthawker View Post
@micah68kj

So this would suggest the auger lower to the ground is the way to go.
I set mine about 3/8" from the ground…

Claude.

2004 MURRAY BRUTE 10HP 29"
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post #5 of 32 Old 12-01-2019, 10:22 PM
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Most I have seen are not adjustable, just holes for the carriage bolt, and some are reversible.

If you have a scraper bar that you can adjust, priority is to keep the augers off the ground where they have no chance of banging the ground. That may require say putting a yardstick or similar under the side of the bucket, or just resting the bucket on the ground without skids may achieve this. Then tighten your cutting/scrapper edge. Now put a yardstick under your cutting edge, install your skids so they touch the ground and tighten. All this is while on a level surface.


JMHO
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post #6 of 32 Old 12-01-2019, 11:16 PM Thread Starter
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@oneacer

Thanks for the suggestion.

Here is a picture of the blade on my thrower:


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post #7 of 32 Old 12-02-2019, 12:44 AM
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Perhaps an obvious point but make sure the air pressure in your tires is correct on both sides before making any adjustments to the scraper bar and skid shoes. I've purchased more than one used snowblower that has uneven wear to the bar and skid shoes because the owner never adjusted the tire air pressure.
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post #8 of 32 Old 12-02-2019, 06:03 AM
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Quote:
Originally Posted by Sgthawker View Post
@micah68kj

So this would suggest the auger lower to the ground is the way to go.



I gave you the book version. Now I'll tell you how I do it. As Rod330 mentioned, make sure your tire pressures are equalized and have the machine on a very level surface.This step is very important. Next, after removing the old scraper bar loosely install the scraper bar. Loosen the skids so they move freely. Set your machine on a very level surface. Now, here I got a magic marker sharpie and I made a mark on the bucket just at the point where the scraper bar moved to. Now I raised the bucket up to where I could tighten the scraper bar retaining nuts using the Sharpie marks as a guide just in case the scraper bar may have moved. After tightening I put a paint stir stick on the ground and set the scraper bar down on it. Next I hold the skids down while tightening them into their respective positions. You're done. There are probably other and better ways but this is how I do it. If using blower on a gravel driveway I'd probably use a short section of 1"x 3" piece of wood.

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post #9 of 32 Old 12-02-2019, 08:54 AM Thread Starter
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@micah68kj
@rod330

Thanks guys. I had checked tire pressure days ago when beginning servicing on the thrower. I had 17 lbs on the right and 0 lbs on the left. It seemed to fill fine and maintain at that time, but I will check again as I set the bar and shoes.

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post #10 of 32 Old 12-02-2019, 10:04 AM
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@Sgt,

At the end of the adjustment, you want the proper tire inflation , standing on level ground, and having a gap of 1/8" to 1/4" between the cutting/scrapper bar and the ground. If you are running over a gravel driveway, you probably want to increase that, depending on the condition of the surface, so that your not shooting out rock projectiles. I notice your scraper bar is also reversible, which extends the life of the bar.

If you are loosing air from a tire, I would find out where it is coming from and fix it properly, or just replace it if it is worn or a lawn tire with chains, ( which bounces your machine to death. ) If it is the stem, pull it out and replace it … many older ones due to age leak right through the side walls, which a tube will correct, just make sure you use the 90 degree stem tube.

I currently am trying out the XTrac on my machines, put them on 4 this past summer, which I expect to perform flawlessly, but still have the SnowHogs on three which work great. I have attached some photos, … the small tire is a SnowHog, and the larger one is the XTrac one.
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