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Re: hydraulic oil

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12-01-2012 04:16:12

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DO NOT user diesel or kerosene to do this as you can't drain it all out due to the shape of the bottom of the castings and what is left in will dilute your new oil. Using diesel or kerosene also washes the oil film from all the parts inside and it will cause damage when you start to run it again until they get coated with oil again. Ferguson makes a point in the operators manual of advising you not to use Diesel or kerosene. You can use flushing oil or some do use hydraulic oil. If you use this type of oil you will need to run the tractor (to get it hot) for a while it does its work, but you can only use it on light work as the oil is not heavy enough. You can pull out the PTO shaft at the back of the tractor and clean out as much as you can from there. The only real way of cleaning it is to tear it all down, but that is not always practical and providing the crud isn't giving you problems, think about leaving well alone until there is a problem and then you can do it properly. Crud that has been in there for some time is difficult to get out and tearing it down is the best way. Doing it any other way can leave loose bits of crud floating around and this will block the Control valve and as it sucks in the oil, it will also suck in the crud and that may possibly block the inlet to the Control Valve or jamb the non-return valves in the side chambers. Don't forget that to clean it properly there will also be crud in the bottom of the Transmission and the rear axle too, so cleaning out the hydraulic Housing is only part of it. Crud that is attached to the inside of the housings does not usually cause any problems and can be cleaned out when any major work on the hydraulics is required.....John(UK)

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