Maintenance overview
5.3 Periodic inspections
07.12.2017
Maintenance manual 3 302 649 en 5 - 19
GMK4090
5.3 Periodic inspections
Your GMK4090 truck crane has been inspected before delivery.
– Truck cranes used in Germany are inspected in accordance with the regu-
lations of the professional trade association as defined by BGV D 6 (VBG 9).
– Truck cranes that are to be used abroad are inspected in accordance with
the regulations of the respective country. If such regulations do not exist,
they are inspected in accordance with the regulations of the professional
trade association as defined by BGV D 6 (VBG 9).
According to German regulations, an inspection must be carried out once a
year. The regulations in other countries may prescribe different inspection
intervals. If such regulations do not exist, an inspection should be carried
out by an
expert at least once a year.
These periodic inspections are generally visual examinations intended to
assess the condition of the truck crane and its components. Their purpose
is to detect defects at an early stage and thus prevent accidents.
Inspections are to be carried out on the following, where these are not
already included in the list of periodic maintenance work:
– The hydraulic and electrical control and safety devices
– the rated capacity limiter (RCL),
– The fastening and safety devices of all screwed-on parts
– The hoist ropes
– the load hooks (à Load hook inspection, p. 5 - 20),
– The load-bearing steel construction (for cracks, deformation, etc.),
including a special check of all welds
If damage is found on the steel fabrication, qualified specialists must deter-
mine the extent of the damage using the required material examination
methods. They should then determine what sort of repair should be carried
out.
Prior to carrying out welding work on the truck crane, observe the
à Safety instructions for welding work, p. 1 - 4.
The inspector is to write a report containing the result of the annual inspec-
tion carried out and the measures taken to repair any damage.
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