Steering The Crane - General. Steering is accomplished by the steering wheel
and the rear axle steer control. These controls, used singly or together, provide front wheel
steering, rear wheel steering, four-wheel steering, and crabbing capabilities.
Steering Mode Selection.
Position the steering mode control handle for the
proper cab. Failure to do so will result in a lack of
steering which could cause serious damage and
In order to steer the crane from the carrier cab after
driving the crane from the superstructure cab, the
diesel engine must be shut down, the STEERING
pushed in and locked, and the diesel engine must be
restarted in the carrier cab.
The steering mode control handle is mounted to the hydraulic tank on the left side of
the carrier. Position the STEERING MODE CONTROL handle for the proper cab.
Shut down the diesel engine.
Lift lock lever and push in the handle for carrier cab steering.
Lower the lock lever to lock the steering mode control handle in place.
If the CARRIER STEERing DISENGAGED Indicator
pushed in and locked, do NOT attempt to drive the
crane as a malfunction in the steering system may
have occurred. The malfunction must be corrected to
assure safe reliable steering control.
Lock rear axle steering before traveling. Front axle
steering will not provide normal control unless rear
wheels are locked in the straight ahead position.