LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
Supports front of semitrailer when parked
Can be used to raise or lower the front of the semitrailer for coupling with towing vehicle or another semitrailer.
Can be folded back into a stowed position after coupling.
A gearbox is installed, with two operating speeds, for extending or retracting the inner leg of the landing gear; high speed
when unloaded, low speed when loaded
Lockpins are provided to lock the leg braces in down position.
Uplocks are installed to support the landing gear legs in the folded position
A crank is provided to drive the gearbox.
A crank hook is installed to support the crank in stowed position
Rear bumper is normally in down (extended) position. It is stored when bogie is in rearmost position or when it is the front
semitrailer in a coupled unit.