Molnar Hoists
All Rounder
Servicing
10
Wire Ropes
Wire Rope Check
Condition of twin wire ropes
1
Remove the weight from the twin wire ropes:
raise hoist until the safety toggles start to click.
Lower the hoist onto locks (by pulling the LOWERING
handle) continue to pull the LOWERING handle and
simultaneously pull out the twin Wire Ropes to compress
the cylinder (and create slack in the Wire Ropes).
2
Wipe the twin wire ropes clean (with a cloth).
3
Visually inspect for wear, rust and broken wires along the
entire length of Wire Rope. Bend the Wire Rope to check
for frays.
Ropes are to be replaced according to the criteria
listed below.
4
Lubricate the Wire Rope with approved lubricant.
long wire rope
twin wire ropes
Wire rope must be replaced if:
a
At any point the visible number of broken wires exceeds
7 wires in 78mm length of rope or 14 wires in 390mm
length of rope.
b
The number of broken wires is likely to exceed the above
measure by the next service.
b
A strand of wire is broken.
c
A rope has been physically damaged by crushing or
deforming.
d
If there are any inconsistent areas. If inconsistency is
found, it should be replaced or referred to a wire-rope
specialist for inspection.
