Maintenance overview
5.4 Measures required for winch monitoring
09.03.2018
Maintenance manual 3 302 744 en 5 - 25
GMK5250L
The general overhaul is to be arranged by the operator and performed by
the manufacturer or a representative authorised by the manufacturer. The
results are to be entered in the crane logbook.
The manufacturer or an authorised representative will specify a new theo-
retical service life D upon completion of the general overhaul.
The next general overhaul must be performed within 10 years at the latest.
Alternative
provision
If, after 10 years, the theoretical service life has not been used up, the winch
can continue to be operated without a general overhaul under the following
conditions:
The crane inspector has confirmed that the used proportion of the service
life is correct and proper by signing his/her name in the crane logbook after
every expert inspection.
In this case, the crane inspector must closely inspect the winch. This
includes at least:
– A visual examination of the exterior (for leaks, damage, deformation etc.)
– An oil inspection (especially for metallic residues)
– A load inspection with minimum and maximum rope pull and each at
maximum possible speed. At least one layer must be wound. Investigate
any unusual noises during the load inspection.
This inspection must be confirmed in the crane logbook by the approved
crane inspector and there must be a statement on continued operation for
the winch. The next inspection takes place before the end of the 12
th
year of
operation and must be repeated every year thereafter.
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