Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions

Murphy's Law is nailing me this week. My beloved Airens 1032 1980? is shot. I found a 1972 Toro 832 that hadn't been used for 10 years...runs great however I was worried about the drum auger and no shear bolts as I went through a couple shear bolts a season with the Airens. Well today (second time I used the Toro) I scooped a rock and now the left auger isn't working. The right auger and the impeller work fine. I called Toro and explained, they said its probably the Carriage Bolts #8. I think its the HH Screw #54. Any help? Also, I need to lube the gear box, whats the oil I should use? Thanks, Abby's Guide has been a savior today. Still missing the Airens.

https://lookup3.toro.com/Ill/1x/1/1797/0_267001.gif

Soft bolts only (5).  They have a job to do.  That job is to protect your gear case/gears.  If you're going through a lot of shear bolts, you'd be better off figuring out why and correcting that problem. 

genthner wrote:
Grade 5 bolts are even to strong.. shear pins or bolts usually have cuts in them or are made of #3 strength or less..

my suggestion is to use exactly what toro is suggesting... I only use factory toro shear bolts on "drum style" augers