Manitowoc Grove GMK 4100L-1 User Manual

Maintenance work on the superstructure
8.8 Hoist ropes
8 - 58 3 302 364 en Maintenance manual
GMK 4100L-1
25.11.2016
Damage Description Cause Replacement
Loop forma-
tion (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 forma-
tion (3)
If there is repeat-
edly occurring
knot-like thicken-
ing of the rope;
the insert comes
out frequently.
Strands bear on
each other
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.
Constriction (4) Diameter
reduction over
short sections.
General wear caused
by ageing of the rope.
Replace rope immediately if
serious constrictions are
detected.

Manitowoc Grove GMK 4100L-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK 4100L-1
Category	Construction Equipment
Language	English