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MF 6480 TF hydraulics problems

Last post Wed, Jun 27 2012 22:34 by mursal. 3 replies.
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  • Wed, Jun 27 2012 8:29

    • ajjv
    • Not Ranked
    • Joined on Wed, Jun 27 2012

    MF 6480 TF hydraulics problems

     Have a -2004 model 6480 with twin flow hydraulics. Hydraulics performance (spools, front end loader) feels a bit poor compared to promised 100l/min flow rate. Sometimes also 150micron filter warning light is showing and at that time hyd performance is more poor: steering tackles in fast movements, ploughs are not turning, etc. That 150 micron filter has been changed couple of times and there has not been any visible dirt there. If it would been only filter sensor problem,it would not affect to hydraulics performance thought. Anyone have similar experiences and/or solution to a problem ?

     

    A

  • Wed, Jun 27 2012 8:54 In reply to

    • mf6490
    • Not Ranked
    • Joined on Fri, Apr 29 2011

    Re: MF 6480 TF hydraulics problems

    Hi have you chaged all 3 filters and how old is the oil?

  • Wed, Jun 27 2012 11:00 In reply to

    • ajjv
    • Not Ranked
    • Joined on Wed, Jun 27 2012

    Re: MF 6480 TF hydraulics problems

     Ex owner told that all filters and oil has been changed before I bought the tractor. If that is true, then oil and filters have been changed less that 150 hours ago. Of course I cannot be sure is it true. Oil looked clear when I changed that 150m filter. 

    According to manual that warning light is for that particular filter but don't know is it measuring pressure in the whole system, so is also problems in other filters affecting to the light.

    Have to change them all and the oil but would not like to do it "just in case" because it costs like 800€.

     A

  • Wed, Jun 27 2012 22:34 In reply to

    • mursal
    • Top 50 Contributor
      Male
    • Joined on Wed, Dec 16 2009

    Re: MF 6480 TF hydraulics problems

     If everything comes back after the filter change, it sounds like the filter? If it makes no difference, probably not the filter. Look for strange colour (steel/bronze) in the oil as you  drain the filter. All 3 will need to be checked if one has clogged in 50 hours. Wonder, why did X change the oil and filters just before selling the tractor?

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