Search results

Yes you’re correct. Thanks for your help ;) Through the process of elimination and having found a Kubota dealer on the other side of town (~50mi away) with a helpful service department. I have determined it as you have said, the seals in the brake unit have cooked out, allowing hydraulic...

Replaced thermo switch, still leaking HYD fluid out of axle vent :(

I changed out the 11.5 gallons of hydraulic fluid / suction filter. Pressure washed the radiator cooling fins, full of dust. (Other 2 filters were changed at the beginning of this process.) Loader ran cooler, however when the temp gauge climbed above 2/3 rd’s the over thermo switch opens and...

Thanks Vic, hope you'r still hooked up :) In the drawing you have provided, it appears to be the component that fitting #160 is screwing into. ? I had another look at it last night, I now believe it is not on cooling circuit. I have only have the owner’s manual schematic to trace out the...

I am looking at the hydraulic schematics for the R420/520, specifically the cooling circuit, there is shown a thermo switch (on; 110c). Does this switch open and dump to outside the system when oil temp rises above 110c? It appears this is an open line… This equipment sees “a lot” use loading...

:rolleyes:R420 wheel loader HYD fluid running hot & leaking out of case vent. I picked up part time work doing fleet maintenance (for a nursery wholesaler) on Kubota’s, as well other equipment manufactured by others. I began working on a hydraulic leak defect reported by operator. I crawled...