New Holland TS 115 hydraulic lift problem,calibration

[Smetsky]

Hello,

I have a problem with the hydraulic lift when lifting a heavy weight, the hydraulic pump turns off and the weight is lowering by itself.
The hydraulic pump doesn't adjust to the lowering weight. There is no error code showing on the display. I want to calibrate the hydraulic lift but I don't understand what the Automatic Pick up Hitch rods are. Can someone show me a picture of the Automatic Pick up Hitch rods (APUH)? And how I can adjust and reconnect the rods.

Quote

 

[forblue]

is this a ts115 not a ts115a two different tractors, if a ts have you edc, and ccls pump..

 

[Smetsky]

Yes it is a ts115 with and edc pump.

 

[forblue]

1-Get rear oil hot, normal operating temp.
2-lower lift arms.
3- disconnect pick-up hitch rods, take pins out of top and let rods lay on ground.
4- stop eng and under right side top cover lift arm find a potentiometer connected by a small rod to lift arm follow wires find plug disconnect it, turn on ign, do not start.error code 24 should appear on dash, turn off ign and reconnect plug.
5-start eng set rpm to 1100, dash should show lift arms at 0, using hyd lift lever slowly to top of quadrant dash should show 99 , leave lever there and pump should blow prv and go quite, lower arms to about 75-80 on dash and leave running for 4-5min, then re-connect pick-up hitch rods and lift to top, if rods are tight and pump prv is blowing, slacken off rods until you can get hitch up and prv not blowing off all time, that's it......

 

[fermerboy]

Guessing here that the OPs tractor might not have a pick up hitch. Not all do especially if they are not UK spec.
Does it have a hook for a trailer which can be lowered by the lift arms? If so it will have long rods which go from said hook to the lifting part at the top.
Forblue is spot on with the calibration procedure.

 

[Smetsky]

Forblue, there is no pick up hitch fitted, can you tell me what blow prv means?

 

[agrimax]

PRV means pressure relief valve. If the calibration is working properly,when the lift arms come up to 99 on the display,you should very briefly hear the engine go under strain and then go back to normal. This is when the pressure builds against the PRV...engine under strain... and then normal ...PRV opens relieving the pressure.

 

[forblue]

Picture on right is our hitch if you don't have one then ignore about rods and do the rest.

 

[forblue]

picture on right is our hitch if you don't have one ignore and do rest...

 

[Smetsky]

Ok Thanks,
Is it the same calibration procedure for a TS 115 with electronic lift?

 

[forblue]

Yes,all ts's and 40ser if ccls pump fitted except if they have our swing back type of pick-up hitch fitted then all my instructions must be followed.....

 

[Smetsky]

When i disconect the potentiometer and thurn the ignition on no error code appear on dash?

 

[forblue]

Can you post photo of dash, or tell me what dash you got...

 

[Smetsky]

It is an analog dashboard with an electronic lift (edc)

 

[forblue]

do you see any reading in hyd lift section on right, like 0-99 showing position of lift arms..

 

[forblue]

Going back to your original problem with no weight will lift arms go all to top of lift then stop.

 

[Smetsky]

yes i see the figures of the position of the lift on the dash .

 

[forblue]

Ok try disconnection pot and leave ign on for 5min then do not re-connect start eng and try lift see if error code or 24 shows if so stop eng re-connect and perform lift calibration if none of that works you may need someone with tool to get into ecu to check for fault codes.......