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OK here I am answering my own question - maybe it will help someone later! The FSM has a two-stage clutch, first part of the stroke disconnects drive from the road gears just like your motor car, second part isolates the hydraulics and PTO. On my tractor, the second part did not work. So I took up all the adjustment, which did not amoun to a lot, and it still did not work. nThen I fond by trial and error that if I hit the clutch hard and IMMEDIATELY jammed the lever in, it would engage with a nasty crunch. But if I hesitated even for a split second, there was no chance of engaging the PTO drive. I wondered if there might be too much drag due to too heavy an oil - I had put in (in ignorance) 20W50, recommended (for our temperate climate) is 10W30. So I drained the oil and tried again. What a lot of oil lives in that gearbox! The result was dissapointing - no change. So I replaced the oil. Latest thinking is that the clutch is warped or a bit of friction material is loose or something. Anyway I will have to pull the little darling out. Does anyone have any suggestions on how to split the tractor? my facilities amount to a piece of hard ground and a 3-ton hydraulic jack. Chris
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