Great Plains Electric Hydraulic Boom Solenoid Operator Manual 1995+ - Manual (Page 18)

Electric Hydraulic Boom Solenoid
500-089M 4/17/2003
16
Refer to Figure 9
The solenoid configurations and their functions are shown
below. It also shows the wire color that actuates the sole-
noid.Control Box
Solenoid Function
S1 Reverses the hydraulic flow to the elevator. Elevator moves in the upward
position. (brown wire)
S2 Turns elevator hydraulics on. Elevator moves in the downward direction.
(red wire)
S3 Reverses the hydraulic flow to the left and right booms. The left and/or
right boom will start to unfold. (green wire)
S4 Turns right wing hydraulics on. Right boom starts to fold. (blue wire)
S5 Turns the left wing hydraulics on. Boom starts to fold. (yellow wire)
Outlet Function
A1 Right Boom Rod End
A2 Left Boom Rod End
B1 Right Boom Base End
B2 Left Boom Base End
C1 Elevator Rod End
C2 Elevator Base End
11132
11131
Figure 9
Old & New Valve Configuration
11134
11135
Old Old
New New