Finally got the compressor into the repair shop yesterday arternoon. They closed earlier on friday, and I didn't get there before knock off time, so the damn thing has been in the back of my wifes vehicle all weekend. Not a particularly safe thing to be carting around.
Mike, I was very pleased that when I described the way the motor behaved during the fault, the repair shop guy said straight away that he thought it sounded like a capacitor problem. That is exactly what it was. Said part replaced, at minimal cost, and motor tested for any other damage, without further faults identified.
Another thing Mike was spot on about, my local hydraulic shop printed me a list of the bronze bushings available as standard (overnight) order. I didn't get to place order today because of picking up the repaired compressor, but will do this tomorrow morning. Obviously not tested the following bush sizing, but I am ordering a 3/4 ID, 7/8 OD, by 1" length. Will also order same with a 1 & 1/8 length, just in case the borderline fitting 1" size is not quite long enough.
So Mike, my thanks to you for alerting me to these two answers to recent dilemmas!
P.S: steering box gaskets x2 still weeping. Bastard. I will look for another type of gasket paper while at hydraulic shop tomorrow A.M. I'm worried now, because the same paper was used on jointing two halves of rear axle some time ago. Oil not yet put into the diff casing. Must do so prior to replacing axle onto chassis!