31.10.2002 5
Safety instructions
1.5 Maintenance and repairs
All maintenance and repair work may only be carried out by specially trained personnel..
1.6 Service and guarantee
TECHNICAL LIMITING VALUES
Observe the limiting values for the technical machine data specified.
PLACING THE MACHINE OUT OF OPERATION
- Switch off the main switch before maintenance and repair work to prevent it from
being switched on inadvertently. This applies to all work on the switch cabinet and
peripheral units.
- For steam installations the steam supply must be switched off and must be secured
before re-starting. The machine and all pipelines must be depressurised.
- For hydraulic systems with an accumulator the system must be depressurised at
the accumulator release valve.
- For pneumatic systems, the system must be depressurised and the stop valve
closed.
ELECTRIC SYSTEMS
All electrical work must only be carried out by qualified electricians. The general and
specific accident prevention regulations must be observed during electrical repair
work.
SAFETY DEVICES
When dismantling safety devices for repair and maintenance work, the machine
must be placed out of operation. The safety devices must be connected again im-
mediately after completion of repair and maintenance work and checked for perfect
operation.
COMMISSIONING
The operation of the safety devices must be checked before commissioning the ma-
chine.
It should be checked that the work tools are properly attached and that there are no
foreign bodies in the machine, as loose parts in the machine can damage the work
tools and motor shaft
MOTOR PROTECTION IP 54 AND SWITCH CABINET PROTECTION IP54
Washing the motor or switch cabinet with pressurised water or cleaning agent is not
permitted.
INVALIDATION OF GUARANTEESTEPHAN
will accept no responsibility or guarantee claims for damage caused by:
· not observing the operating instructions,
· improper operation and maintenance of the machine and its peripheral equipment,
· technical and functional modifications carried out without consulting STEPHAN,
· use of parts other than original STEPHAN parts and accessories,
· disconnecting, dismounting or otherwise making safety devices inoperative.
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