CRANE OPERATOR AND RIGGER CONTROLS
Control or Indicator
Vertical adjusting handle,
operator or rigger seat
knob, operator or rigger
Traversing brake pressure
Periscope M 17
Dome light switch
Controls vertical adjustment of seat. Used with body weight
to adjust seat.
Controls horizontal adjustment of seat.
A two position valve. When valve is pushed in, (normal
position), system hydraulic pressure wiII release traversing
brake. When valve knob is pulled out (emergency position),
hydraulic ram hand pump pressure will release traversing
Provides a field of view for the operator and rigger when
hatch IS closed.
Turns on dome Iight, normal Iighting, or blackout Iighting A
locking plunger prevents accidentally turning on Iight.