Safety and environmental protection
2.1 Safety rules
2 - 2 3 302 756 en Maintenance manual
GMK6400
16.11.2018
• Perform maintenance work only after the truck crane has been shut down.
Always ensure that the truck crane is well-protected from unauthorised
operation before beginning maintenance work. Remove the ignition key
and put up warning signs.
If due to exceptional circumstances the truck crane needs be put into oper-
ation for certain types of maintenance work, great care must be taken where
there are moving parts (superstructure, outriggers, Cardan shafts, slewing
bearing, engines, tiltable crane cab). There is risk of injury!
• Ensure that all hydraulic components are returned to their initial positions
(e.g. the main boom) or locked (e.g. the outriggers).
Escaping hydraulic fluid or compressed air can cause severe injuries. Re-
member that the hydraulic and compressed air systems of the truck crane
are pressurised even when the truck crane is not in operation. Only tighten
loose screw connections when the systems are depressurised. Always de
-
pressurise the hydraulic and compressed air systems before opening them.
• Do not allow hot fluids to escape in an uncontrolled manner. Risk of
scalding!
• Observe the applicable safety regulations when working with inflamma-
ble fluids.
• Observe the applicable safety regulations when working with process
materials.
• Switch off all electrical consumers and first disconnect the earthing
terminal before removing any electrical batteries.
• Keep in mind the corrosive effect of battery acid.
• Note the fire alarm and fire-fighting facilities on site.
• Return the truck crane to proper working order once maintenance work is
completed. Inform the crane operator accordingly.
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