Manitowoc GROVE GMK 6400, Operating Manual

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Rigging work
12.9 Rigging work on the main boom
12 - 110 3 112 993 en Operating manual GMK 6400
1
2
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7.
201
3
Attaching the
hook block Depending on the driving mode, you can attach the hook block to the front
bumper;
à
Driving modes , p. 6 - 1.
H
Do not attach the rope end fitting to the front towing coupling. The towing
coupling must be free for a tow-rod in emergencies.
•
Raise the hook block vertically above the
retaining rope (
1 ).
•
Lower the hook block and attach the hook
block to the retaining rope (
1 ).
•
Set down the main boom onto the boom
rest and pull the hoist rope tight only to the
extent that the hook block is stabilised in its
position.
H
If the lifting limit switch is deactivated while you tighten the hoist rope, you
can override the shutdown of the lifting limit switch;
à
p. 11 - 63.
G
Danger of accident if the view is obstructed
The reeved rope lines obstruct the view of the runway. The number of
legally permissible rope lines can vary depending on the country in which
you are working. According to EU regulations, the hook block may not be
reeved more than four times when driving on the road.
S
Risk of damage to driver's cab
Tension the hoist rope tight enough so that the hook block cannot hit the
driver's cab while driving.
G
Danger of accident from hook block swinging unexpectedly
The hook block will suddenly swing forward if the retaining rope for the
hook block tears when tightening the hoist rope.
Therefore ensure that the banksman or other persons always stand at a
safe distance
to the side of the hook block.