Maintenance overview
5.4 Measures required for winch monitoring
5 - 22 3 302 364 en Maintenance manual
GMK 4100L-1
25.11.2016
The actual service life of a winch is affected by a number of additional
external factors, such as:
5.4.2 Proportion of theoretical service life used
The truck crane operator must perform a truck crane inspection at least once
a year (ISO 9927-1 and BGV D 6 (VGB 9) / BGV D 8 (VBG 8)).
This includes determining the proportion of theoretical service life that has
been use
d. If required, the truck crane operator has to appoint an approved
inspector for this assessment.
The actual operating conditions (load spectrum) and the hoist operating
hours must be
determined for each inspection interval when determining
the proportion of theoretical service life that has been used. The operating
company is responsible for proper documentation in the crane logbook.
1. Overloading caused by improper use of the truck crane.
2. Insufficient maintenance: Oil is not changed at the
specified intervals.
3. Operating errors:
Extreme acceleration or
deceleration of the load,
Load falling into the ropes.
4. Improper maintenance: Wrong oil used,
Incorrect filling quantity,
Contamination during oil change.
5. Improper assembly during maintenance and repair work.
6. Leaks which were ignored.
7. Improper adjustment of safety devices.
8. Latent damage caused by accidents.
9. Extreme environmental
conditions:
Low or high temperatures,
Aggressive ambient conditions,
Dust and dirt.
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