I've nearly got the tractor going again. It has been up on jacks for a couple of weeks. I decided it was time to check the brake shoes, as a precautin. Most were OK but one wheel was contaminated with axle oil from a duff oil seal. The UK main agents were up to their usual standard, no response to my enquiry. Luckily the oil seal is standard, and I could see the size - 60-85-10 - from the outside.
The shoes had to be sent off for re-lining. I have had two shoes relined, and the plan is to fit them as the leading shoes with the older shoes, which were on the other wheel, as trailing.
The one brake hose was in a very sorry state. This also had to be acquired by spec, rather than by application. M10x1.25 female convex unions at each end, our local hydraulics supplier doesn't keep those unions so I went to a performance brake supplier and got a shiney braided one. Well it is a Ferrari :). Not too expensive either in fact. And while I had the brake hydraulics apart, I changed the brake light switch. M10x1 taper thread - the local car shop came up with the goods, as fitted to a 70s cortina (Commercial Ignition XBLS7).
SO having changed the oil seal, I had to top up the axle again. I finally tracked down the right oil. BP Energol GR280XP it says on the filler cap. 220 appears to be the nearest that is currently made. I still have not found out what the practical difference is between industrial CLP gear oil (at £60/20l) and automotive GL4 (EP90) at about half the price.
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