New Snowblower Users: Tire Air Pressure - Snowblower Forum : Snow Blower Forums
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post #1 of 11 Old 12-03-2019, 06:20 PM Thread Starter
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New Snowblower Users: Tire Air Pressure

This is just a common sense reminder for those new to snowblowers. Be sure to check and properly adjust tire air pressure at least a few times during the year. Snowblower tires can appear to be properly inflated when they are low...don't trust a visual check. Take a few minutes to validate with a good quality gauge and ensure both tires are inflated at the same pressure.

The consequences? You'll be wasting money by prematurely replacing your scraper bar and skid shoes. Here are photos of a very nice Ariens 927LE (921005) where the prior owner continued to use his machine with one tire drastically under inflated. The scraper bar was so unevenly worn that it was dangerously close to damaging the machine's lower housing. You can see the corresponding uneven wear on the skid shoes as well.
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post #2 of 11 Old 12-03-2019, 06:30 PM
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Unfortunately, I see this all to often.

Most people do not own a compressor. I have 2, all my family have one, even if it is just one of those 40.00 Harbor Freight ones on sale, just to fill tires for bikes, cars and equipment.
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post #3 of 11 Old 01-25-2020, 09:54 PM
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rod , pretty common on tracked models as well as they are the majority out here. I've noticed that the local Honda dealer over extends the scraper bar past the housing to make up for the fact that most owners will never check that adjustment between services.

i used to adjust the bar according to the manual but after seeing so many damaged housings on the bottom I started doing it the same way as dealer.....usually 2-3 times more than spec.

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post #4 of 11 Old 01-26-2020, 01:35 AM
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I just took in an Ariens 924 that was in very nice shape with the exception of the bottom of the bucket. The previous owner literally ran it into the ground and the shop just welded a scraper bar directly to the bucket.
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post #5 of 11 Old 01-26-2020, 08:28 AM
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@db130,

That needs more welding at the sides where it is split.

I would then run a bead of weld along the length, and use those holes in what is now part of the bucket to attach another cutting edge, then some paint, and a set of Arnold Poly Roller Skids, and that baby is set for another life of many years.
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post #6 of 11 Old 01-26-2020, 09:14 AM
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Good reminder on simple maintenance tips...
Tires pressure and shoes/scraper.


Perpetual optimism is a force multiplier!!
2019 Ariens Compact 24...
2013 Craftsman 22" 179cc better than shoveling
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post #7 of 11 Old 01-26-2020, 09:15 AM
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First thing I do on a new machine is top off the tire pressure and set the height at 1/4. Both machines have trouble holding air though. Need new tubes. Just top off the air before using.
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post #8 of 11 Old 01-26-2020, 11:04 AM
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I'm sure you guys are correct, but I don't see it. That is, I recognize that tire pressure can impact the skid shoes but I don't understand why unequal tire pressures would result in uneven wear on the scraper bar. I always understood the skid shoes were the only thing impacting scraper height. In fact, I just looked at every manufacturer scraper bar adjustment blog and video I could find and not one even mentions the word tire. (There are plenty of forums that mention tires impacting the scrapper but no authoritative sources.) I adjust the scraper bar at the beginning of the season and check tire pressure, as well. I check the scraper bar height after every couple of uses or if I notice a trail behind me I don't like.

I don't check tire pressure during the season unless my machine isn't running straight (which only happened once or twice) because I'm aware uneven pressure will impact the drive path. I'd check pressure as well if I had a traction issue but that hasn't been a problem. So I know tire pressure is important, but not for the scraper bar.

Does someone have something authoritative on the subject.

Last edited by Tony P.; 01-26-2020 at 11:36 AM.
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post #9 of 11 Old 01-26-2020, 12:22 PM Thread Starter
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Quote:
Originally Posted by Tony P. View Post
I recognize that tire pressure can impact the skid shoes but I don't understand why unequal tire pressures would result in uneven wear on the scraper bar.
The weight of the bucket rests entirely on the skid shoes if the tires are properly inflated to equal pressure. The scraper bar should be set evenly above the skid shoes so it's not directly contacting the surface of your driveway. If one tire loses air pressure the bucket will lean causing the skid shoe on that side to wear faster than the other. Therefore, the scraper bar by the deflated tire has less clearance and also wears faster than the other side.

This condition is difficult to visually detect since a snowblower tire may not appear to be underinflated. Gently rock the handlebars up and down and watch the bucket. If it's also rocking from side to side then your tires are not equally inflated (assuming the skid shoes and scraper bar were correctly installed). It's best to double check the pressure with a gauge a few times each season.

Last edited by rod330; 01-26-2020 at 12:25 PM.
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post #10 of 11 Old 01-26-2020, 01:02 PM
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rod30, I can see what you're saying. If I removed a wheel, the machine would obviously tilt toward that axle. The skid on the opposite side would lift forcing more pressure on the other skid. So I see what you're saying and I agree fully.
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