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thanks for responding:: i have cleand my tansmision filter and canged my transmissin hydraulic fluid but it still holds a good amount of water .. changed it 3 times and still milky but should work.. i only looked at the hose conections and they dont seem to be leaking, HOWEVER i did see what looked like small water/oil bubles coming out of one of the large rams wile the bucket was held at its highest point. i saw this when i was bumping the lift controler in a attempt to bleed the system.. it looks like the rams may have a small bleed hole or maybe a hole has rusted through..the ram has a grove/ring cut into the ram with a notch/flat spot.it looks to me like the ram is joined and threded or snap ringed together at this point.. i cleaned and scraped the rust/dirt to see if it is a factory blead hole or maybe a crack but really could not tell.
i don`t know for sure if it has a opencenter hydralic system with self bleeding or not. it is a yanmar 240d the transission and hydrolics run off the same fluid. the Yanmar 240 has the same system as the JD-650 AND JD-750 and uses JD-303 Fluid.. you also said somthing about blow packing in the lift cylinder or control lever needing adjustment. how do i adjust this?? and what is blow packing??
please explain... i hate to ask so many dumb questions but how do i check and clean the circut relief valve and whare is it?? .... as if you coldnt tell i know very little about tractors and hydralics so please be patient .. . .

ohhh BTW i bought a (EXTRA) high pressure cap. i bought this cap just for ermergencys, in case i blow a hydralic line i can cap it off and limp my tractor back to the house.. can i use this cap to truble shoot my hydralics by narrowing down the problem and bypassing a few of the hoses one at a time ...

my hydraulics quit working
Loaders Back Hoes
Replies 23 Post by straycat