Delta Boom Adjustment - Goldacres MY17-19 Operator's Manual

Prairie special 1500-3000l
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Delta Boom Adjustment

Inner Steel Boom Alignment -
Unfolded Position
1. Open the boom fully into the working position.
2. Continue to press the unfold button or hold
the hydraulic remote open to ensure the fold
cylinders are phased completely. They must be at
the same length.
3. Look along the inner booms between the cable
drums to assess the alignment.
All booms must be 50 mm forward of the centre
section at the cable drums. A string line can also
be used for measuring the lead of the inner boom
(see below).
4. If adjustment is required, loosen the two lock-nuts
on the boom fold adjuster bolt at the rear of the
boom.
5. To adjust the boom forward, tighten the outer
adjuster nut. To adjust the boom rearward, tighten
the inner adjuster nut
6. When the boom is in the required position
tighten both locknuts to hold in place.
7. Follow this process for both inner booms.
NOTE: It is important that both wings are adjusted
the same. If one wing is adjusted further forward or
back than the other, the boom may not sit level.
52 - Chapter 9 - Delta Boom
50mm measured to the front edge
of the lower rear most chord on
the boom inner.
Straight edge or string line runs in line with lower
boom pivots on under side of centre section.
Tighten nut to adjust the boom backward.
A
B
Tighten nut to adjust the boom forward.
Prairie 1500-3000L Operator's Manual MY17-MY19 - REV 0
50mm

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