Md70 Looking for info on oiltank/pump seal

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roblarss

Well-known member
Joined
Jul 29, 2013
Messages
60
I have another small issue with my MD70. there is another oil leak I am suspecting it is from where the driveshaft goes into the hydraulic oil tank to the transmission/pump. There is some nice clean oil trapped in this area and it does eventually come out the belly pan drain on the other side of the machine. Looking the parts diagram it looks like there is a gasket where the transmission/pump bolts to the tank. The shaft then goes through that hole. What I am trying to figure out is if its likely the oil is coming out of the pump or this gasket...I cant get to either easily. Has anyone ever pulled one of these apart? Is there a seal that is easily replacable on the pump if I remove the drive shaft? Without a service manual this not an easy repair to diagnose. I am getting tired of random oil leaks on this machine
 

Tazza

Moderator
Staff member
Joined
Dec 7, 2004
Messages
16,826
I would suspect the pump shaft seal first. Clean the area then run it a little and see if you can spot where it's coming from.
 
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