Safety and environmental protection
2.1 Safety rules
2 - 2 3 302 649 en Maintenance manual
GMK4090
07.12.2017
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) before starting main-
tenance work.
Escaping hydraulic fluid or compressed air can cause severe injury. Remem-
ber that the hydraulic and compressed air systems of the truck crane are pres-
surised even when the truck crane is not in operation. Only tighten loose
screw connections when the systems are depressurised. Always depressu-
rise 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 flammable
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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