Posted by Bob on February 08, 2020 at 10:37:06 from (64.255.159.199):
In Reply to: Erskine Snowblower posted by UP Oliver on February 07, 2020 at 23:45:09:
Quoting Removed, click Modern View to see
ASSUMING this is a typical Erskine 2-stage snowblower, they blow snow like a son of a gun, even when about worn out and beat almost to death, you have something wrong besides rotor clearance, a stripped key, a sheared pin, gears, etc. or maybe BADLY mangled fan blades.
The "fan" on snowblowers of that type NEVER runs at 1000 RPM.
If the fan shaft passes straight through the gearbox that drives the auger(s) without a change in speed, it's a 540 RPM PTO blower.
1000 PTO RPM blowers are set up so the speed to the fan is reduced in the gearbox.
Easy enough to check out.
NO need to worry about "burning the bearings out" running a 540 machine at 1000 RPM's, in most cases the fan will be unbalanced enough to shake like he77 once the tractor is revved up much over half-speed, and you'll realize something's wrong LONG before you "burn out" any bearings.
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