The valve is held in a normally closed position or
Single solenoid valves are used in the control
normally open position by a spring. When the
lockout, swing brake release, LMI lockout manifold,
solenoid is energized, the plunger assembly forces
A/C (idle boost), steer reversal, front axle steering,
the spool to shift, causing the valve to open or close.
rear axle steering, axle disconnect, and rear steer
De-energizing the solenoid allows spring pressure to
lockout circuits. Double solenoid valves are used in
shift the spool back to its normal position.
the axle oscillation lockout circuit.
For more detailed information, refer to the applicable SM package.
Connect the hydraulic lines to the valve as
tagged during removal.
Tag and disconnect the hydraulic lines running
With the engine running at governed rpm, activate
Remove the bolts, nuts, and washers securing
the replaced solenoid valve several times. Check for
the valve and remove the valve.
proper operation and check the valve for any
Position the valve and secure in place with the