Manitowoc Grove GMK6300L-1 Maintenance Manual

Maintenance work on the superstructure
8.11 Hoist ropes
8 - 96 3 302 719 en Maintenance manual
GMK6300L-1
13.02.2018
Damage Description Cause Replacement
Loop
formation (1)
Outer layer wires in
the form of hair pins
are protruding from
the rope away from
the sheave.
General wear due to
ageing of the rope or
consequential
damage as a result of
damage to the rope.
Immediately replace rope if the
rope structure has been
substantially altered by the
loop formations.
Loosening of
wires or
strands (2)
Outer wires or
strands have become
loose. Only the inner
strands continue to
bear the load.
Corrosion or
abrasion.
Replace the rope immediately.
Other causes. The number of wire breaks
determines when the rope
must be replaced.
Knot
formation (3)
If there is repeatedly
occurring knot-like
thickening of the
rope; the insert
comes out
frequently.
Strands bear on each
othe
r at thin points;
increased frequency
of wire breaks.
General wear due to
ageing of the rope or
consequential
damage as a result of
damage to the rope.
Determine number of wire
breaks; replace rope
immediately if serious knot
formation occurs.
Constric-
tion (4)
Diameter reduction
over short sections.
General wear caused
by ageing of the rope.
Replace rope immediately if
serious constrictions are
detected.

Manitowoc Grove GMK6300L-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK6300L-1
Category	Construction Equipment
Language	English