The single selector valve and the double selector
actuated when the valve linkage is in the
valve are located on the inner rail near the center of
superstructure steering mode.
the carrier frame. The two valves are mechanically
illuminates an indicator light in the carrier cab to
connected and are used to select the mode of
signify that the control handle is in the superstructure
steering (carrier or superstructure). The mechanical
mode and the crane cannot be steered from the
linkage is connected to a control cable which is
operated by a handle mounted beside the hydraulic
For more detailed information concerning the valves,
refer to VALVES in Section 8 - HYDRAULIC
Incorporated in the linkage is a switch that is
Remove the bolt from the rod end of the cable
at the steering valve mechanism. Position the
Position the steering selector valve to the
mechanism so the upper and lower steering valve
carrier position by pushing in on the control handle.
spools are bottomed out against the snap rings.
Turn the handle to the horizontal position to lock the
cable and engage the mechanical lock.
Adjust the cable rod end so the attach bolt will
just fit. Lengthen the rod end by one full turn and
tighten the jam nut.
Adjust the switch so the steering disconnected
Ensure the cable jam nut is adjusted so
light in the carrier cab is out when the valves are in
the control handle is in the horizontal
the carrier steering mode and the light illuminates
position when locked.
when moved from the carrier steering position.