Maintenance overview
5.4 Measures required for winch monitoring
16.08.2018
Maintenance manual 3 302 577 en 5 - 21
GMK7450
5.4 Measures required for winch monitoring
H
Also observe the information on the general inspection of the hoists;
à P. 8 - 48.
These measures for monitoring the winches (hoists) were compiled by the
German Machine Builder
s' Association (VDMA) and are to be used for all
truck cranes according to the
German Accident Prevention Regulations for
Winches, Hoists and Tractor Machines, DGUV Regulation 52 (BGV D 6)
and
DGUV Regulation 54 (BGV D 8).
5.4.1 Theoretical service life
The theoretical service life is determined according to certain operating con-
ditions and a theoretical total operating time assumed by the design engi-
neer when calculating and dimensioning the winches of your truck crane.
The power unit group M3 and the load spectrum L1 (Km = 0.125) are gener-
ally given for truck cranes in assembly mode, resulting in a theoretical ser-
vice life of 3,200 hrs. (ISO 4301/1, FEM 1.001, DIN calculation basis for power
units).
s
S
The theoretical service life is not the same as the real (actual) service life of
a winch!
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