bühler
bühlerbühler
bühler
2500 Hayliner
24
Align the lift cylinder rod and reinstall the pin.
Adjust the outside bale fork to be positioned
at the end of the lift arm and the inner bale
fork 6” (15 cm) to 8” (20 cm) bigger than the
size of bale that is being loaded.
Install the hydraulics according to the way
the hydraulic assembly Appendix B calls out.
Recheck all hardware so that every bolted and
hydraulic connection on the lift arm is torqued according to the specifications of
the torque charts.
The RPU cycle should begin with a squeeze action, then lift and rotate. After
rotation is complete the lift continues until the bale is above the carrier beams.
Release LIFT ARM UP when bale is above the carrier beam. Depress LIFT ARM
DN to release the bale and return to ground level ready for the next bale.
For the first operation, cycle the lift arm slowly with the bale and observe the
RPU operation.
Approach the bale slowly, once the bale is captured in the forks press the lift
switch. The bale is squeezed until the pressure in the sequence valve has been
achieved which is preset at 1800 psi (12400 kpa).
If bale is not held in between the forks increase the sequence valve pressure by
turning the setscrew clockwise. Refer to the RPU Rotate Cylinder drawing for
adjustment location of the setscrew. Verify that the fork spacing is accurate and
refer to the drawing on this page for fork adjustments.
The lift and rotate sequence won’t begin until the clamp pressure is met within
the sequence valve.
When the clamp pressure is met, the lifting action should start before the rotating
action to minimize bale damage from the moving ground.
To increase lift prior to rotate turn the restrictor knob clockwise. Refer to the RPU
Rotate Cylinder drawing for more information.
Continue to raise the bale until it is positioned above the carrier beam.
Release the bale by lowering the lift arm.
Finish the cycle and observe how the bale transits from the forks to the carrier
beam. If transition is smooth with minimum bale binding assembly is completed.
If not adjust the forks to a different location and try until loading is smooth.
ROTATING PICK UP ARM
DJUSTABLE FORK
BALE WIDTH + 6” TO 8”
(74 pages)
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