Maintenance work on the superstructure
8.12 Hoist ropes
8 - 102 3 302 577 en Maintenance manual
GMK7450
16.08.2018
S
Risk of accidents due to reduced load bearing capacity!
Remember that other factors may also make it necessary to replace a rope
before the number of wire breaks requirin
g rope replacement has been
reached (age of rope, frequency of use or exceptional loading).
Damage Description Cause Replacement
Wire break (1) Individual wires are
broken; the
broken
ends of the wires
are protruding
from the rope.
General wear caused
by ageing of the rope
or
Subsequent damage
resulting
from dam-
age to th
e rope.
Replace the rope at the la
test
when the maximum permissi-
ble number of wire breaks
according to the table are visi-
ble externally.
Replace the rope immediately if
wire breakage clusters or strand
breakages occur.
The frequency of wire breaks
increases as
the rope ages. For
safety reasons, it is advisable to
replace the rope while the num-
ber of wire breaks is still low.
Wire break-
age cluster (2)
Strand break-
age (3)
Effect of heat Tarnished colour is
v
isible externall
y
on the rope.
Rope has been sub-
jected to excessive
heat.
Replace the rope immediately.
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