Ford 6600 hydraulic problem

[Rod in Spokane]

I have a frontend loader on my 6600. Everthing has been working good until today. All of a sudden the frontend loader will not raise up, and have noticed a noise while trying to raise loader. Checked hydraulic fluid and it is full. Any help will be appreciated.
Thanks

 

[georgeky]

Rod, your filter may be clogged up. Are you using the right hydraulic oil in it? These have wet disk brakes and if the wrong oil is put in them it will cause the linings of the brakes to come off in fragments and clog the hydraulic filter.

 

[Rod in Spokane]

Not sure where the filter is located. Is it internal?
Thanks

 

[georgeky]

Should be under the right floor board. Not sure on the 6600, but my 7610 has a spin on right there. May have a little metal shield around it.

 

[MSM]

If it has a front mounted pupm, check to see if the driveshaft coupler hasn't stripped out.

 

[souNdguy]

If you have QD's in the fel lines.. check em.. one may not be seated correctly!!

soundguy