He clears his driveway with an ancient MTD 10/24 walk behind and the motor has been seriously tired for a while. When the electric start defecated in the sleeping apparatus, he enquired about putting a new motor on it.
Horror Fright doesn't stock a 10 horse horizontal shaft, so (I'm so proud!) he went bigger. Got a 13 horse just like the one I put on my blower. Lugged all the pieces-parts down Monday and we designed and built an adapter plate to mount the motor and started on figuring out belts and pulleys.
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Turned out to be easier to bore out the original 4-piece (four pulley "halves" sandwiched together to form a double pulley) set up. LOTS easier to broach too. On the original setup, the bores were 7/8ths and had a male tang in the bore that fit the keyway on the crankshaft. Used a carbide rotary bit and a die grinder to take the tangs out then bored and broached as normal.
Next thing was to make a spacer between the rear (wheel drive) pulley and the blower drive pulleys. Plan A was to find some suitable round stock and bore it out and broach it. Whilst rummaging around in my Inactive Inventory pile I found a piece that appears to have been a shaft coupler. Right size bore and already broached! All I had to do was clean it up and part off a piece of suitable length. WooHoo!
So now we take some measurements and compute what belts we need. Other tasks include making and mounting a battery box and relocating the chute rotation crank to clear the cylinder on the motor. He'll be down this weekend and we'll deal with that.
