Jungheinrich ETM/V 10-12 Forklift Truck Pressure Relief Valve Setting
Related Contents:
Jungheinrich JETI ForkLift Judit-4 v4.37 4.34 2023 Free Download
Jungheinrich JETI ET 4.37 4.34 EPC 2023 Free Download
2023 Jungheinrich Forklift JETI SH v4.36 v4.34 Service Free Download
Bleed the hydraulic system
Set the pressure relief valve (1) to nominal load pressure +15 bar when the hydraulic system is at operating temperature.
After setting the valve, secure the setscrew with sealant.
The pressure relief valve factory pre-setting is 200 bar
Bleeding the Hydraulic System
The hydraulic system is bled via the bleed screw on the lift cylinders.
Torque the M6 bleed screw to M, = max. 7 Nm.
Line Break Safety Device Control
The maximum permissible lowering speed in the mast lift is 0.6 m/s.
Raise the lowering speed via the setscrew (2) until the line break safety devices are activated.
Do not completely unscrew the setscrew.
After testing, the lowering speed must be reset
lf the tolerance level is exceeded check and adjust the line break safety device setting, if necessary replace the line break safety device.
Lowering Speed Setting
When checking and setting the lowering speed, the load pickup device in the mast lift must be at 0.5 m/s +15%.
To reduce the lowering speed turn the setscrew (2) on the flow controller clockwise.
After setting the speed, secure the setscrew with sealant.
For more Jungheinrich trouble repair case,please refer to Jungheinrich Trouble Repair