1.1 About these operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3Two-stage swing-away lattice extension

HThe correct designation “two-stage swing-away lattice extension” is in this chapter substituted with the designation “lattice extension” in order to improve readability.

Derricking lattice extension control lever function: Press rocker switch down

3.1 Operating and display elements

If the GMK 5200/6220-L is rigged with a two-stage swing-away lattice extension, certain operating and display elements in the crane cab are also applicable to operating the lattice extension.

This section describes all operating and display elements required for the operation of the lattice extension.

Furthermore, this chapter describes the operating elements located directly on the lattice extension.

3.1.1 Operating elements in the crane cab

Operating elements on the instrument panel

_Rocker switch for preselection of control lever function

derricking/telescoping/derricking lattice extension

Switches the control lever function between derricking gear, telescoping gear and lattice extension.

Rocker switch for switching off derricking gear/derricking lattice extension

To switch off the functions Derricking and Derricking lattice extension to prevent unintentional activation.

ZIndicator lamp for right-hand control lever in derricking function Illuminates when the control lever function Derricking has been selected. s