Fri Jan 07, 2005 10:08 am
I suspect that due to the design of the auger, it is being forced to one side or the other during operation which is causing it to bind up. You may not be able to move sideways by hand but under power and under load perhaps it will. Can you have someone else run it while you look to see if you can find where the noise is coming from. One thing for sure - if you keep running it until it breaks real good, you'll find the problem.
Fri Jan 07, 2005 2:15 pm
Since you never said what model snowthrower you have, I assume it is a Model QA36B, since it was built from 1980 and later and would be correct for a 1282. I'm not sure what you are calling a "shear pin" or "drift pin", since there are none in the design. There is a 1/4" x 1-1/4" coiled spring pin (spriol pin) for the small sprocket if that is the one you mean, and if it is being replaced with anything else ( roll pin, bolt, solid pin etc), it will probably continue to break. The spriol pins are designed to take some shock without breaking that a common roll pin, bolts etc will not.
The shaft the small sprocket is on is mounted in needle bearings in the casting, and that casting has two bolts (1/2" I think) that adjust the tension of the roller chain to the auger. Since you say there is no noise when "the shear pin is broken", look at the adjustment area/casting for something broke, misaligned, or needle bearing problems, chain/chain adjustment. If not, then there is most likely an auger bearing/alignment problem.
Fri Jan 07, 2005 3:47 pm
Hey Keith: If it were me...I'd check the bearings good. If there's any wear...replace them. You can probably go to NAPA with them first to see if they have a new set (before going to Case/ IH).
If they're good...repack them with grease before putting them back in your snow blower. The NEW ones sold today are more than likely sealed bearings that will run smoother and never need to be repacked.
Sat Jan 08, 2005 12:59 am
Don't believe that never need repack stuff. Use a hypodrmic to push new clean grease into one of them. There are comercial grease insertion tools for them also. this is a case of where a diabetic in the family helps.
Sat Jan 08, 2005 11:02 am
You can buy a needle that snaps onto your grease gun for that at most auto parts stores.
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