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EAGLE (SPB / SPC) BOOM
Adjusting centre frame
This adjustment will affect the trapeze function and
must therefore be done properly.
IMPORTANT! Lubricate the pivot linkage and
grease the skid plates prior to adjustment. Refer to
Gantry and centre frame ( 8 Hrs and 50 Hrs ).
1 Park the sprayer on level ground.
2 Tighten adjustment bolts (A Fig 34) approx 1/2 a turn.
3 Lift the boom all the way to the top, then lower the
boom all the way down.
4 Repeat the above procedure until the centre
frame is firmly adjusted inside the gantry.
5 If the boom will not lower all the way down, the bolts
need to be loosened again.
6 Tighten the four adjustment bolts (B) approx 1/2 turn.
7 Grasp the wing by the end and lift it approximately
50 cm. Let the wing go and it should return to
approximately horizontal position.
8 Repeat the above process until the boom is firmly held
in place, but without affecting the trapeze function.
9 If the trapeze will not let the boom go back to the
horizontal position, the bolts must be loosened again.
Fig 34
NOTE: For further centre frame adjustment of SPC
booms, see Yaw Damping and Centre Frame Adjust-
ments (SPC) on page 18.
16
B
A
Adjusting centre frame cables
IMPORTANT! Never attempt to adjust the centre
frame cables without having the boom folded all
the way into the transport position!
Centre frame cables work together to keep the
centre frame square to the gantry, while folding
boom in for transport or when spraying with one side
raised and folded.
1 Fold the boom into the transport position.
2 Shut the tractor off.
3 Check that the tilt cylinders (if fitted) are completely
retracted. Adjust if necessary (SPB - Z only).
IMPORTANT! Ensure that the centre section
cable (A Fig 35) is routed over the centre section
nozzle bracket.
4 Loosen the lock nuts (B Fig 35).
IMPORTANT! Alternate from side-to-side while
making adjustments. Adjust one cable a small
amount, and then the other - to equalize cable
tension and maintain a level centre frame.
5 Properly adjusted cables will be very tight and
only deflect a small amount (fractions of a centi-
metre) when pulled on by hand.
6 Tighten the lock nuts.
7 Unfold the boom to operating (spraying) position.
8 Fold the boom and check that the centre frame
remains level.
B
Fig 35
A
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