Basic safety instructions
2.5 Safety instructions for crane operation
Operating manual GMK 6400 3 112 993 en 2 - 7
12.07.2013
Keep all handles, steps, step treads and ladders free of dirt, snow and ice.
Keep all electric and hydraulic connections free from dirt. Check the con-
necting points for dust, foreign bodies and moisture before installation. This
also applies to protective caps and bridging plugs.
Check all operating and control elements in the crane cab before starting the
engine.
After starting the engine, take note of all the lights and control elements.
Make sure that there are no unauthorized people in the vicinity of or on the
truck crane during rigging work or crane operation. Cordon off the danger
area clearly and mark the area as such.
When lifting a load, raise the boom to balance out the increase in working
radius caused by the boom rising so that the load is lifted up vertically and
does not drag, injure helpers or fall into the hoist rope diagonally (e.g. from
a vehicle or scaffolding). Inform any banksmen and helpers about this issue
as well.
Support the truck crane with the outrigger span required for the currently
rigged counterweight before turning the superstructure.
Always level the truck crane before operating the crane.
Only use parts of equipment (counterweight sections, lattice extension) that
belong to your truck crane. Both the truck crane and the equipment must
have the same serial number.
Lifting loads simultaneously with two cranes is particularly dangerous.
Carry out this type of work with special care.
Always set the load down when you interrupt work, and never leave the
truck crane as long as a load is raised.
Secure the truck crane against unauthorized use whenever you leave it.
Crane operation carried out in the vicinity of live electrical cables as well as
oil, gas or other supply lines is dangerous and requires that special precau-
tionary measures be taken. Please observe the instructions in the section
titled
Crane operation under special operating conditions in the Safety manual and
the respective national regulations.
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