Bestway PRO-MOUNT 360, Operator'S Manual

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C11
Open Center Hydraulic Modification
This sprayer is equipped with a
Hydraulic Boom Control Manifold that
can be switched from closed center to
open center with an adjustment of a dump
valve located in the picture at right. This
dump valve has a set screw on the end of
it. This set screw manually holds this
dump valve shut at all times.
If using the sprayer on a tractor with an open center hydraulic system, loosen the jam nut on
the set screw and back the set screw out approximately 1/4”. Once this is done retighten the jam
nut. With the set screw backed out, the dump valve can open allowing oil to flow directly back to
the tractor reservoir. When any boom function switch on the boom cab control box is activated,
this valve will close and the oil flow will be sup-
plied to the activated boom function.
To switch the sprayer back to closed center
operation, adjust the set screw back in. Be careful
not to over tighten this set screw. When you feel
the set screw bottom out against the cartridge it
should not be tightened any further.
Set Screw
Jam Nut