Rigging work
12.8 Rigging work on the main boom
Operating Manual GMK6300L 3 112 xxx en 12 - 85
xx.xx.xxxx
 12.8             Rigging work on the main boom
 12.8.1             Hook block on the bumper
Picking up the 
hook block
Depending on the driving mode, you must pick up the hook block from the 
front bumper; 
à Driving modes, p. 6 - 1.
The main boom must be fully retracted.
• Enter the current rigging mode on the RCL.
• Slacken the hoist rope and derrick the main 
boom simultaneously. 
• Derrick the main boom until the boom head 
is in a vertical position above the hook block. 
• Detach the hook block from the retaining 
rope (1). 
s
S
Risk of accidents if the view is obstructed!
Have someone instruct you when raising the main boom, since the view of 
the hook block is obstructed. That way you will not raise the boom too far, 
which would cause the retaining rope to tear.