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© 2003 Alamo Group Inc.
Section 9 - 13
A-Boom (JD 6615 / 7615 Asy Instruction Manual) 07/03
Control Valve - Electric / Hydraulic
CONTROL VALVES: (See Figure 32)
The Alamo A-Boom Optional Hydraulic Control Valve is an Electro-Hydraulic (Electric over
Hydraulic) Valve. The Valve is designed to utilize Oil from the Tractors Hydraulic System. This is
basically considered a Selector Valve. The Hydraulic Control Valve must be compatible with the
type Tractor System being utilized. There is only one type System used, The Fixed Displacement
(Open Center) Continuos Flow. Hydraulic Supply is from front Aux. Pump
A
A
A
A
A
B
B
B
B
B
T
P
Pump Pressure Port
Tank Return Port
5 Spool
Valve
(Handles
Shown as
Illustration
Only)
Swing
Lift
Dipper
Tilt
Door / Extend
Inlet Section
Pressure Gauge
Port
Ground
(Black)
Starter Solenoid
(Brown)
Voltage Supply
(Red)
Solenoid Lock
Valve
H
R
1
2
3
4
5
1 : Swing
2 : Lift
3 : Dipper
4 : Tilt
5 : Door / Extend
Pump Solenoid Connector
Clamp
Junction Box
(Joystick)
FIGURE 32
FIGURE 33