Maintenance work on the superstructure
8.12 Hoist ropes
8 - 110 3 302 577 en Maintenance manual
GMK7450
16.08.2018
Setting the lower-
ing limit switch
• Remove the cap (1).
• Turn the screw (2) until you hear the switch
activate.
• Screw the cover on again.
Replace the gasket if necessary.
• Check that the lowering limit switch
switches off the hoist correctly.
Checking
switch-off
• Raise the hook block until there are approx. 10 turn on the hoist drum.
• Lower the hook block and check whether the lowering limit switch
switches off properly.
The lowering limit switch must switch off the hoist while five rope turns are
still on the hoist d
rum.
• Correct the setting of the lowering limit switch if necessary.
G
Risk of accidents if the rope end fitting is overloaded!
The lowering limit switch must always be reset after repair work
on the
hoist and after rope replacement. A faulty lowering limit switch must
always be replaced!
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