7
Inspection and maintenance
07.2020
149
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7.22
General overhaul
The mechanism (motor and gear; not applicable to wearing parts) of the YK/SK wire rope
hoist is classified according to ISO. The theoretical full load lifetime in hours shown
opposite (D) is applicable for normal hoist applications.
ISO
M4
M5
M6
M7
D [h]
800
1600 3200 6400
Tab. 38
If the full load lifetime (D) minus the lifetime expired is nought, the wire rope hoist must
be overhauled by the manufacturer.
NOTICE
Danger of material damage.
Components which are in the power flux may only be
overhauled by the manufacturer.
The rope drive is classified according to FEM 9.661, see factory certificate.
As the service life of components such as gears is limited in accordance with the
classification, it must be ensured that this is not exceeded. After the scheduled service life
has expired hazards may arise. Thus the operator must take the responsibility for the
remaining service life and the necessity of a general overhaul.
We cannot accept any liability for damage occasioned by non-observance.