Boom extension
4.2 Description of the rigging work
Lattice extension operating instructions 3 112 441 en 4 - 19
GMK 4100/4100-L/5095
11.01.2008
4.2.6 Applying / removing the hoist rope
Applying the
hoist rope
• Remove the sheaves (1).
• Lay the hoist rope over the deflection sheaves (5), (4), (3) and over the
head sheave (2) to section 1.
• Put all sheaves (1) back in place and secure them with retaining pins.
• Attach the hook tackle or the hook block. The hoist rope can only be
reeved once on the boom extension;
à p. 4 - 20.
Removing the
hoist rope
• Unreeve the hook block.
• Remove the sheaves (1).
• Take the hoist rope off the head sheave (2) and the deflection sheaves (5),
(4), (3) and lay it on the left side on the ground.
• Put all sheaves (1) back in place and secure them with retaining pins.
s
G
Risk of accidents due to falling parts
Secure the rope protection rollers and rods always with retaining pins.
This will prevent elements from becoming loose, falling down and injuring
persons.
27 m (89 ft) boom extension
22 m (72 ft) boom extension
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