So it took all morning and blood (literally - squashed little finger
) sweat, and tears but the Jackshaft is OFF
Initially I got the Universal Joint yoke that is stuck on the gearbox output shaft glowing dull red then tried tapping, levering, pleading etc to no avail.
Left it to cool while I removed the four sheave pulleys on the left had side - sadly although they are held on by taper lock inserts, in both cases the taper locks were cracked - standard 2" Imperial size, only £18 each to add to the butchers bill
When the yoke had cooled again I liberally sprayed it with PlusGas and set up a wedge arrangement using the tapered end of a large cold chisel to bear against a loose bolt head that I inserted in the hole in the end of the splined shaft the other side being a heavy flat bar bearing againt the opposite yoke cheeks. Much hammering, readjustment and a few oaths later I had JUST perceivable movement. At that point I knew I had it, and persistance adding more packing and repeating the process eventually got it to slide off. It was at this point the jackshaft fell off and squashed my litle finger
Anyway - good progress, just got to get the bearings off the end of the main flail shaft, and pull the gear box off to measure it's bearings.