Crane operation
11.3 Crane operation with main boom
Operating manual GMK 6400 3 112 993 en 11 - 55
12.07.2013
11.3.2 Permissible slewing ranges and working positions
The following ranges are permissible for crane operation according to the
Lifting capacity table.
360° slewing
range
• Support the truck crane with the outrigger span required according to the
Lifting capacity table.
• Enter an RCL code for the 360° slewing range according to the Lifting
capacity table
; Ã Entering the rigging mode, p. 11 - 23.
• Rig a counterweight combination that is no larger than that permitted for
the rigged outrigger span. Slewing with a rigged counterweight is not per-
mitted with all outrigger spans;
à Slewing with rigged counterweight,
p. 12 - 89.
• Slewing is not permissible if the truck crane is free-on-wheels; à Slewing
with rigged counterweight
, p. 12 - 89.
0° to the rear
working position
• Support the truck crane with the outrigger span required according to the
Lifting capacity table.
• Slew the superstructure to the rear into the 0° position. For automatic
stoppage at 0°;
à Braking the slewing movement, p. 11 - 102.
• Switch off the slewing gear; à p. 11 - 103.
• Enter an RCL code for the 0° to the rear according to Lifting capacity table;
à Entering the rigging mode, p. 11 - 23.
The RCL will only accept this code if the slewing gear has been switched
off and the superstructure is in the 0° position.
H
All slewing operations are disabled if an RCL code is entered for the 0° to the
rear
working position. An RCL shutdown will be triggered if you switch on
the slewing gear. To acknowledge the shutdown, you must:
– Either shut down the slewing gear.
– Or, if slewing is permissible with the rigged counterweight (
à p. 12 - 89),
set down the load and enter an RCL code for the 360° slewing range.
• Observe the additional information if the truck crane is free on wheels;
à Main hoist, p. 11 - 56.
180° to the front
rigging position
The same lifting capacity tables and RCL codes apply to this position as to
the 360° slewing range.