Maintenance work on the superstructure
8.12 Hoist ropes
8 - 98 3 302 577 en Maintenance manual
GMK7450
16.08.2018
8.12.2 Checking the hoist ropes
Spare parts and
tools
– Torque wrench for 80 Nm (59 lbf ft).
Prerequisites – Establish a rigging mode in accordance with the
Lifting capacity table and
enter the RCL;
à Operating manual.
– A hook block is reeved (reeve for the main hoist has six lines, and 11 for
the auxiliary hoist);
à Operating manual.
– The main boom must be raised and fully extended;
à Operating manual.
Checking the
ropes
• Start the engine.
• Unreel the rope and check the rope and the rope spooling; à Assessing
the condition of the hoist rope
, P. 8 - 100. When 5 turns are left on the rope
drum, the lowering limit switch must switch off.
If the lowering limit switch does not switch off or switches off too late, it
must be reset;
à Setting the lowering limit switch, P. 8 - 109.
• Check the clamp (2) for damage and firm
seating – torque 80 Nm (59 lbf ft).
• The rope end must not protrude out of the
bore hole (1).
• The rope wedge must be in the pocket (3).
• The rope end on the rope wedge must not
show any signs of wear.
• Reel in the rope. At the same time, the rope
may not show any signs of kinking or being
flattened.
• Check the end of the rope and the rope end fitting for damage.
• Make sure the rope end is correctly fitted in the rope end fitting;
à Operating manual.
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