Hyster H280HD:
Transmission

Hi there guys.
I have a big issue in the transmission,after we change the clutch pads,assembly and connected to the engine the Hyster wont move forwar or reverse i did the calibration by the manual but a code appear in the trans display E 1.26,so the calibration can´t be done,any help will be apreciated.Regards
  • Posted 24 Jan 2020 02:20
  • Discussion started by jorge43
  • Chile
Showing items 1 - 10 of 10 results.
Bro,
did you solved the problem ??
I will try the proces tomorrow and see what happens,anyway i really apreciated your help thanks and regards
  • Posted 30 Jan 2020 06:53
  • Reply by jorge43
  • Chile
When you heat transmission do you feel it engage? Maybe try inching calibration as well
  • Posted 30 Jan 2020 05:52
  • Reply by Jeremie_Genova
  • California, United States
I will repeat the trans heat up,but am pretty shure that i done and then the calibration but it didn´t work.I will try again.
  • Posted 30 Jan 2020 05:50
  • Reply by jorge43
  • Chile
You have to heat trans before calibration. Should be able to operate unless there is an issue. When calibrating when it stops and shows code press the s button and see if it will skip this first clutch pack. If you cannot operate unit to heat transmission then you cannot calibrate. Need to check pressures first thing
  • Posted 30 Jan 2020 02:55
  • Reply by Jeremie_Genova
  • California, United States
Mmmm Jeremie,good point,we didn´t soak the pads before install them,the old clutches was burn,speed sensors are ok,no more codes appear in the apc 2000,this code appears when we doing the manual calibration ,and stop in the first step of that.What should check in the balve body? solenoid resistence?,am very complicated. Other question,the calibration its the first step after rebuild the trans? or its another one before this step?
  • Posted 30 Jan 2020 02:50
  • Reply by jorge43
  • Chile
Minimum clutch pressure is 239 psi. Also the code you have is caused by clutch dragging or speed sensor issues. Did you soak the discs in atf overnight before assembling the trans. Could be dry discs. Also could be an issue in the valve body. What was wrong with the old clutches? Are there more codes in the apc200?
  • Posted 30 Jan 2020 01:54
  • Reply by Jeremie_Genova
  • California, United States
If the converter was not installed completely it can bind up and break the pump. Dont recall exact pressure numbers but typically need over 100 psi to engage a clutch pack.
  • Posted 30 Jan 2020 01:48
  • Reply by Jeremie_Genova
  • California, United States
Hi,and thanks for the reply,how the pump can be damage during install? also what shoul be the pressure in the clutch pads?.Regards
  • Posted 29 Jan 2020 22:50
  • Reply by jorge43
  • Chile
Check clutch pressures. Thats where to start. If pump was damaged during install there will be no pressure
  • Posted 29 Jan 2020 10:53
  • Reply by Jeremie_Genova
  • California, United States

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