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#1
05-09-2021, 04:18 PM
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School me on the mechanical PTO
OK.... 123 is running pretty well, if still not stopping well, but we're going to live with that, since I don't want to make this my lifes work.
On to the Last Big Thing keeping me from using this bad boy. The PTO. I've never used this particular PTO, (it was on the replacement engine) but I'm not sure I understand the operation. I've never had one apart though I've had full sized clutch/pressure plate/flywheel assemblies apart many times, so I conceptually know how they work. Engine OFF: With no pressure on the PTO button (via the PTO lever) the crankshaft of the engine and the pulley on the PTO are locked and turn as one (well, there's a bit of slop I'll attribute to the wear in the woodruff key or the crank ... I can move it about 5 degrees ) With pressure ON the PTO button I can move the pulley independent of the basket/crank, as I would expect. That all seems right. Now , ENGINE ON: When I apply pressure to the PTO button via the PTO arm, and then wedge a 2x4 against the PTO pulley ( I have no belts / deck on this yet and I was trying to simulate the load of an actual deck) I cannot stop the PTO pulley. I would think that the running behavior should match the static, in that the pulley should be stoppable when I have the PTO button pressed in? What am I overlooking ? Why shouldn't I be able to stop it since the clutch button is depressed? ( be easy on me, I'm an electronics engineer) :-) Button is adjusted correctly
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61 and 63 Originals 123 (2) 782D 106, 147, 122 102 parts It's only original ONCE!
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