Rigging work
12.10 Rigging work on the main boom
12 - 128 3 302 709 en Operating manual
GMK5150L
12.01.2018
For hook blocks with ballast plates, you can
achieve the required weight by installing or
removing ballast plates;
à p. 12 - 122.
Opening the hook block
• Pull out the rods (2).
• Fold down the plates (3).
Positioning the hoist rope
• Pull out the rods (1) and (4).
• Feed the main hoist rope (2) under the rope
grab (1).
If two hoist ropes are reeved, you must feed
the auxiliary hoist rope (5) over the rope grab.
• Feed the main hoist rope to the head
sheave (3).
• Feed the auxiliary hoist rope to the head
sheave (4).
Use the rope grab also when working with the
lattice extension.
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