
Maintenance
67
10 Maintenance
10.1 Safety
Basics
WARNING!
Danger of injury due to incorrectly performed
maintenance work!
Incorrect maintenance can cause serious injury or
damage.
Therefore:
–
All maintenance work may only be carried out
by qualified personnel authorized and inst-
ructed by the operator.
–
Inform the operating personnel before starting
maintenance and repair work.
– Before starting work, sufficient space for
assembly should be made.
– Pay attention to tidiness and cleanliness at the
assembly site! Loose, stacked or scattered
components and tools are a source of
accidents.
– If components are replaced:
Pay attention to correct fitting of replacement
parts.
Replace all fixing elements correctly
Observe the correct screw-tightening torques.
–
Before switching on, ensure that all covers and
safety devices are correctly installed and
function correctly.
–
After finishing maintenance work, check that
the safety devices function correctly.
Pneumatic system
WARNING!
Danger of injury due to compressed air!
The compressed air in the pneumatic system can
escape without warning and set pneumatically driven
components in motion, causing serious injuries.
Therefore, before starting any work:
– Switch off the pneumatic system and secure against
switching on.
– Depressurize all components which are under
pressure.