Maintenance work on the superstructure
8.12 Hoist ropes
16.08.2018
Maintenance manual 3 302 577 en 8 - 109
GMK7450
H
Observe the hook block when unreeling.
The hook block must not rotate!
• Set the lowering limit switch; à P. 8 - 109.
• Run in the new rope with small loads so that the rope can settle on the
hoist drum.
8.12.6 Setting the lowering limit switch
A lowering limit switch is mounted both on the main hoist and on the aux-
iliary hoist.
Spare parts and
tools
Pre
requisites – 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 is fully raised and extended;
à Operating manual.
– The hook block is lowered until only five turns of the rope remain on the
hoist drum.
s
G
Risk of accidents if the lowering limit switch is set incorrectly!
After inserting a new rope, the lowering limit switch must always be reset.
In this way you avoid
the lowering limit switch switching off
too late or not
at all, the rope being damaged and the load being dropped.
Designation Quantity GROVE part no.
Cover gasket 2 03137794