Bourgault XR770 Manuale di avvio rapido - Pagina 9
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Stampa la paginaXR Series eXtended Range Harrow
7 Troubleshooting
Symptom
Cannot adjust tine angle to a more
aggressive position
Tine angle is uneven from section
to section
Transport fold or unfold happens
out of sequence
Boom will not fold down out of
transport position
Auto-fold lataches do not engage
over the auto-fold arms when
putting unit into field position
Auto-fold arms become
disengaged when adjusting the
main transport lift
Auto-fold arms do not disengage
when put into transport position
Probable Cause
Too much draft force on the tines
Tine angle hydraulics are out of phase
Boom wheel lock valve is closed
Sequence valve is not adjusted properly
Transport lock pins are still in place
Sequence valve is not adjusted properly
Wing booms are too far forward
compared to the cart.
Auto-fold arm is set at improper angle
The transport latches will disengage auto-
fold arms when wings are lifted.
Cable in windrow position.
Excessive stretch in cable.
Trouble Shooting
Solution
Temporarily reduce ADF pressure or
stop harrowing. Adjust as required.
Return to previous settings.
Rephase tine angle hydraulics by
extending tine angle cylinders and hold
remote for several seconds before
readjusting.
Open boom wheel lock valve.
See section 5.2.1 for adjustment
instructions
Remove transport lock pins
See section 5.2.1 for adjustment
instructions
Drive forward until boom will begin to
fold down. If auto-fold arms come out
of latches, tip boom down only slightly
then drive backward before continuing
to unfold.
Adjust the angle by adding or removing
shim plate behind the arm pivot
mounting plate.
Move the transport latch cable from the
bottom hole to the top hole on the
center boom prior to operaton. Refer to
section 4.10.3.
Move cable position. Refer to section
4.10.3.
Adjust cable length.
troubleshooting.pdf
7.1