Labrie ALLEY -GATOR RIGHT-HAND, Maintenance Manual

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Maintenance 71
Carefully refer to your Chelsea or Muncie owner’s manuals, service manuals and/or other
instructions provided with your Alley-Gator Right-Hand
TM
. Always follow proper installing,
operating and repairing procedures. Only use proper components in application for which they are
approved. Be sure to assemble components properly and never use worn-out or damaged
components.
Hydraulic Vane Pump
Alley-Gator Right-Hand
TM
vehicles are equipped with a dual vane pump. Both sections of the dual
vane pump are activated by two electric solenoid valves. Both of these valves are mounted on the
pump assembly (see
Figure 3-42). The electric signal that activates the solenoids is sent by the pump
switch through the control module.
Figure 3-42 Solenoids on hydraulic pump
Directional Control Valve
Your Alley-Gator Right-Hand
TM
is equipped with a packer directional control valve and an arm and
body directional control valve . These solenoid operated directional valves are for directing and
stopping flow at any point in the hydraulic system. The directional valves are designed to provide
smoother control of actuator acceleration and deceleration reducing hydraulic shock and increasing
component longevity
Packer Directional Control Valve
The packer directional control valve is bolted to the main manifold and is fitted with an adjustable
spool throttle valve that enhances smooth spool shifting (see Figure 3-69). Adjustments may be done
by turning the adjustment capscrew clockwise to increase the shifting time and counter-clockwise to
decrease the spool shifting time. The spool throttle manifold block houses a shuttle valve which sends
Danger!
Never operate the controls of the power take-off from any position that could result in
getting caught in the moving PTO
.