Maintenance work on the superstructure
8.8 Hoist ropes
8 - 52 3 302 649 en Maintenance manual
GMK4090
07.12.2017
8.8.2 Checking the hoist ropes
Spare parts
and tools
– Torque wrench for 79 Nm (58 lbf ft).
Prerequisites – Establish a rigging mode in accordance with the Lifting capacity table and
enter the RCL;
à Operating manual.
– A hook block must be reeved with five lines; à Operating manual.
– The main boom is 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 - 54. When five 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 - 63.
• Check the clamp (1) for damage and firm
seating – torque to 79 Nm (58 ft lbf).
• The free end of the rope must not project
above the flanged wheel.
• The rope wedge must be in the pouch (2).
• 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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