Rigging work
12.7 Rigging/unrigging the counterweight
12 - 80 3 112 993 en Operating manual GMK 6400
12.07.2013
Securing 10 t
blocks
H
The height of a 10-t counterweight section corresponds to the length of
approx. 15 chain links.
• Insert the chain (2) into the chain tensioner
(1).
• Feed the chain (2) with the chain tensioner
(1) from above through respective counter-
weight combination.
• Fasten the tensioning bearing (4) to the
chain using the pin (3).
• Turn the chain tensioner (1) firmly (clock-
wise).
Now the 10 t blocks are secured.
• Secure the blocks on the other side in the
same way.
Releasing 10 t
blocks
Before you can lift the blocks, you must release them.
• Loosen the chain tensioner (1) (turn counter
clockwise) until you can remove the pin (3)
and the tensioning bearing (4).
• Pull the chain tensioner (1) with the chain (2)
upwards out of the counterweight combina-
tion.
• Release the blocks on the other side in the
same way.
• Store the tensioning device in the compart-
ment on the base plate.
G
Risk of accident due to damage to the lifting gear and the slinging points
Release the blocks before lifting. Otherwise the tensioning device, the lift-
ing gear or the slinging points may be overloaded and damaged.
This can cause the blocks to slip or unexpectedly fall down, through dam-
age that cannot be externally seen.
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