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Posted by Srgnt Billko on April 24, 2008, 7:55 pm
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>I have an older Gravely walk-behind - marked "Gravely Pro" on the
> drive covers, "Pro 50" on the deck, and model number 47385 on one tag
> and serial number 00625178 on another. Unfortunately, the model
> numbers don't show up on the Ariens/Gravely site, so I have no idea
> what this is... Kawasaki motor, belt drive, manual trans - my guess
> is early 90's.
>
> I'm trying to swap out the engine, and having some problems. The main
> issue at this point is the PTO pulley: instead of an electric PTO,
> this has a split pulley PTO - when you put tension on the V-belt it
> wedges between the two halves of the pulley and engages the blade.
>
> So I pulled the bolt, used a gear puller on the lower half of the
> pulley with no problems, and then tried the same on the upper pulley.
> I thought it was moving, but it clearly wasn't, since I broke the
> pulley. I looked up towards the end of the shaft, and saw an internal
> snap-ring which I assumed was there to position the upper pulley on
> the shaft (to keep it from going too far on, not to prevent it from
> coming off). Regardless, with the snapring pulled the pulley still
> won't budge...
>
> So, a couple of questions:
> -Any idea what the model number of this might be?
> -Any idea if there's something else holding the pulley to the
> crankshaft, or if this one is just securely rusted in place?
> -I assume I can get the pulley welded; any idea if this can be easily
> converted to an electric PTO, and if there would be any benefit to
> that?
>
> Thanks,
> -Mike
Why screw around - go to a Gravely dealer - you're going to end up there
sooner or later anyway.
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