Checking The Hoist Ropes - Manitowoc Grove GMK 5250L Maintenance Manual

Maintenance work on the superstructure
8.8 Hoist ropes
8.8.2
Spare parts and
tools
Prerequisites
Checking the
ropes
8 - 58

Checking the hoist ropes

– Torque wrench for 78 Nm (57.5 lbf ft).
– Establish a rigging mode in accordance with the Lifting capacity table and
à
enter the RCL;
– A hook block must be reeved 5-fold;
– The main boom must be raised and fully extended;
•
Start the engine.
•
Unreel the rope and check the rope and the rope spooling;
the condition of the hoist rope , p. 8 - 60. 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
à
Setting the lowering limit switch , p. 8 - 69.
must be reset;
•
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 .
Operating manual .
à
•
Check the clamp (1) for damage and firm
seating – torque to 78 Nm (57.5 lbf ft).
•
The free end of the rope must not project
above the flanged wheel.
•
The rope wedge must be in the pocket (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.
3 302 744 en
Operating manual .
à
Operating manual .
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Maintenance manual
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Assessing
GMK5250L