Setting The Lowering Limit Switch - Manitowoc Grove GMK 5200-1 Maintenance Manual

H
G
8.8.6
Spare parts and
tools
Prerequisites
Maintenance manual
GMK5200-1
Observe the hook block when unreeling.
The hook block must not rotate.
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.
•
Set the lowering limit switch;
•
Run in the new rope with small loads so that the rope can settle on the
hoist drum.

Setting the lowering limit switch

A lowering limit switch is mounted both on the main hoist and on the aux-
iliary hoist.
Designation
Cover gasket
– A hook block must be reeved 5-fold;
– The main boom is fully raised and extended;
– The hook block is lowered until only five turns of the rope remain on the
hoist drum.
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p. 8 - 65.
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3 302 746 en
Maintenance work on the superstructure
Quantity GROVE part no.
2 02315305
Operating manual .
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Operating manual .
8.8 Hoist ropes
s
8 - 65