Goldacres MY17-19 Operator's Manual page 60

Delta Boom Adjustment
Outer Boom Wing Alignment -
Folded Position
• The eyebolt cable adjuster aligns the outer boom
arm in the working position; the adjustment plate
is designed to adjust the outer boom arm in the
folded position.
• The eyebolt adjuster will follow the same
orientation as the boom when folding and
unfolding. For example, when the boom is in the
operating position the eyebolt adjuster should be
horizontal in line with the boom. With the boom
folded, the eyebolt adjuster should be pointing
forward in a raised position, again following the
line of the boom.
• Fold in the boom. If the outer boom arm does
not come in all the way against the inner boom
arm and contact the bump stop then the
adjustment plate will need to be moved out. If
the outer boom arm contacts the bump stop too
early and places too much tension on the cable
then the Eccentric Bush needs to be rotated to
suit.
• To adjust the Eccentric Bush the boom has to be
in the working position. Have someone pull back
on the outer boom arm to release the tension
on the cable whilst you make adjustments to
the bush. Rotate the Eccentric Bush one set of
holes for small adjustments. When adjustment
is completed ensure the outer boom arm is
released carefully so it does not spring forward
dangerously. Re-adjust the cable eyebolt to realign
the outer boom arm whilst still in the working
position before folding the boom and re-checking
the alignment in the folded position.
• Repeat the procedure if necessary until the outer
boom arm assumes the correct alignment in both
the working and folded positions. When this has
been achieved tighten all bolts.
• Spring tension may be altered slightly when this
bush is rotated. Check there is a 3 mm gap in the
spring coils and adjust if required.
NOTE: If the outer boom arm contacts the bump
stop too early and too much tension is placed on
the cable, then the hydraulic cylinder may fail to
bring both arms all the way in, or damage the boom
arms and cable.
54 - Chapter 9 - Delta Boom
Cable turnbuckle adjuster
Eccentric Bush
Prairie 1500-3000L Operator's Manual MY17-MY19 - REV 0