Great Plains Electric Hydraulic Boom Solenoid Operator Manual 1995+ - Manual (Page 16)

Electric Hydraulic Boom Solenoid
500-089M 4/17/2003
14
Refer to Figure 7
6. If the diodes are not installed in the bypass wiring har-
ness assemble them as follows: On each diode there
is a stripe painted on one end. Position on the blade
closest to this stripe into the receptacle on the side la-
beled "B" - the other blade goes into the "A" side.
Make sure the orientation is correct before placing the
cap over the connection.
7. Use the control box to actuate the hydraulic solenoid
valves and see if the boom is operating correctly. To
use, engage the hydraulic lever on the remote that has
the hydraulic hoses attached that feed the hydraulic
solenoid valves, and then operate the switches.
8. Adjust the bypass valve so that the boom will respond
at the desired rate you want it to. The bypass valve has
a knob that adjusts the amount of return flow back to
the tractor. As you screw the knob clockwise, more hy-
draulic flow will go back to the tractor, causing the hy-
draulics to respond slower. As you screw the knob
counter-clockwise, the hydraulics will respond faster.
Adjust the flow to an acceptable rate for your tractor.
NOTE: If the diodes are not installed correctly the hy-
draulic valve will not function properly. It is important
that the diode is installed correctly.
To use the electric solenoid, engage the hydraulic lever on
the remote that has the solenoid valve hydraulic hoses at-
tached to it. Make sure the control box battery cable is
attached to the battery (refer to section 2 for the battery
cable assembly instructions) and operate the switches. The boom will start to move according to the switches you
have engaged. When spraying a field with obstacles, keep
the hydraulic lever engaged so you can move the boom
wing upward and downward as you travel with the electric
switches.
Bypass Valve Adjustment
If your solenoid is equipped with the bypass valve, the rate
at which the hydraulic cylinders move can be adjusted by
the knob on the bypass valve. If you switch tractors you might need to adjust this. To increase the hydraulic re-
sponse for the hydraulic solenoid, turn the knob counter-
clockwise, to decrease the speed turn the knob clockwise.
Operating Instructions
Adjustments
Figure 7
Diode Assembly
13927