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M-602 Hydraulic coupler removal

F

Farmer MM

Member
HELP!!!! I'm trying to remove my right-side hydraulic couple from the pump-hose. It is LOCKED on tight! I've relieved any pressure, and sprayed threads with PB Blaster, but no success. Our son is a BIG southern boy, and he tried to break it loose....nothing! I want to replace it, as it is really sloppy inside/leaking. I've removed the seat, and looked in the pump area, and MAYBE it's easier to remove the actual hose from the pump. ????????
 
(quoted from post at 18:22:43 08/19/17) Picture? Tele-flo or Type E hydraulics? 3 pt or bareback. Be more specific. Pump is not
under seat.
Click to expand...

Sorry..I have no idea on type of hydraulics. It is bareback (no 3pt). Correct, the actual pump is not under seat, but there is a tank/dipstick, hose connections, and some sore of safety valve/pressure device on outside of the main box.
 
Type E hydraulics with tin reservoir and bypass valve on right. Ports on tank sometimes
soldered or brazed on.
 
(quoted from post at 17:12:06 08/20/17) Type E hydraulics with tin reservoir and bypass valve on right. Ports on tank sometimes
soldered or brazed on.
Click to expand...

In that case, I must have Type E, as there is a metal reservoir (2 gals ?) under the seat, and some sort of bypass/valve on right side.
 
The quick connect/dis-connect hydraulic coupling will NOT break-free, so I'm planning to remove it from the hydraulic reservoir tank (under the seat). It screws into a fitting on the side of the front control valve. Any body tried this?
 
FINALLY...removed the hydraulic reservoir, and removed the hoses at the valves. Besides some busted knuckles, they came our relatively easy. Questions: Where can I buy the rubber flanges/elbows on the tank/connectors? One valve is leaking out the top by the metal shaft. Can I simply loosen the top nut on the valve body (the shaft slides up/down on it)? Is it just an 0-ring that's wore out in there?
 
UPDATE: Our local MM dealer had the parts/schematics for the M602, and was able to purchase the hoses from AGCO.
 
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