IM Machine Name Rev.: END 13
2.9 Safety Instructions for the Maintenance Personnel
● Observe the time limits for recurring checks / inspections prescribed or specified in
the instruction manual.
Preparation for the Maintenance Work
Appropriate workshop equipment is required for the carrying out of the maintenance
work.
● Only carry out set up, maintenance and repair work as well as fault finding with
the welding laser system disconnected.
● Insofar as is necessary, secure the maintenance area with a red and white
safety chain and a warning sign.
● Before starting the service / repair / care work, clean contamination or
maintenance products off the connections and screw fittings in particular.
Carrying Out the Maintenance Work
● Never stand under suspended loads.
● During replacement, carefully attach and secure individual components and larger
assemblies to the lifting equipment so that the hazard arising from them is
minimized. Use only suitable and technically perfect lifting equipment and lifting
tackle with adequate load bearing capacity.
● During the maintenance and repair work, always tighten loosened screw
connections in accordance with the specifications and using a torque wrench.
● Ensure the safe and environmentally friendly disposal of operating and auxiliary
materials and replacement parts as described in Chapter 0.
2.10 Information about Special Types of Hazard
Electrical
Work on the electrical equipment of the welding laser system must only be carried out
by skilled electricians or by instructed personnel under the supervision of a skilled
electrician in accordance with the electrical engineering regulations.
● Before opening the control cabinet, switch off the welding laser system at the key
switch and remove the key.
● Switch electrical components on which inspection, maintenance and / or repair
work is to be carried out to zero potential.
● Use only original fuses with the specified current rating.
● Secure the operating equipment used for the switching off against unintentional or
automatic switching back on (lock away the fuse, block the circuit breaker, etc.).
● With switched off electrical components, first check the freedom from voltage then
isolate neighbouring live components.
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