A G S P R A Y . C O M 2
13. Before unfolding boom remove transport wing lock
pins (see figure 1) and tower cylinder Transport stop
(see figure 2) Reinstall lock pins and tower stop
before parking sprayer.
14. Consult tractor manufacturers manual for hydraulic
operation system.(open or closed center system)
For closed center systems, leave hydraulic boom
operation block located on the center of boom as
factory installed (see figure 4). For open center
hydraulic systems, the by-pass (dump) valve needs
to be put back in th place of the by-pass (dump)
plug (see figure 3).
CONVERTING CLOSED CENTER TO
OPEN CENTER HYDRAULIC SYSTEM
* Standing behind the center of the sprayer looking
toward the tractor locate the boom folding hydraulic
block .
* Locate the by-pass (dump) valve (see figure 4) on the
right hand side and the by-pass (dump) plug on left
hand side.
* Remove both plug and valve.
* Reinstall by-pass valve on left hand side and
plug on right hand side.
* Plug in by-pass valve into 2 pin connector.
15. Inspect boom alignment.
* The boom is equipped with set bolt adjustments
to provide a means to adjust alignment.
* With the boom in field spraying position look down
the sprayer boom from end to end and adjust
alignment bolts as needed at each hinge.
* 6 points should be inspected annually.
* Left and right inner boom (see figure 6)
* Left and right outer boom (see figure 7)
* Left and right break away (see figure 8)
To adjust, loosen jam nut, turn position bolt to the required posi-
tion and retighten jamnut.
FIG. 1
FIG. 2
FIG. 9
