13/08/2013 PM 9845 0187 01 Page 7 of 24
6.4. Safety precautions during maintenance or repair
General precautions
1. The operator must employ safe working practices and observe all related local work safety requirements and
regulations.
2. If any of the following statements does not comply with local legislation, the stricter of the two shall apply.
3. Installation, operation, maintenance and repair work must only be performed by authorized, trained, specialized
personnel.
4. Before carrying out any maintenance, repair work, adjustment or any other non-routine checks, stop the device. In
addition, the power isolating switch must be opened and locked.
Precautions during maintenance or repair
1. Use only the correct tools for maintenance and repair work.
2. Use only genuine spare parts.
3. A warning sign bearing a legend such as "work in progress; do not start" shall be attached to the starting equipment,
including all remote start equipment.
4. Persons switching on remotely controlled machines shall take adequate precautions to ensure that there is no one
checking or working on the machine. To this end, a suitable notice shall be affixed to the remote start equipment.
5. Never use flammable solvents or carbon tetrachloride for cleaning parts. Take safety precautions against toxic vapors
of cleaning liquids.
6. Scrupulously observe cleanliness during maintenance and repair. Keep dirt away by covering the parts and exposed
openings with a clean cloth, paper or tape.
7. Never use a light source with open flame for inspecting the interior of the device.
8. All regulating and safety devices shall be maintained with due care to ensure that they function properly. They may not
be put out of action.
9. Before clearing the device for use after maintenance or repair, check that operating pressures, temperatures and time
settings are correct. Check that all control and shut-down devices are fitted and that they function correctly.
10. Never use caustic solvents which can damage materials of the air net.
Also consult following safety precautions: Safety precautions during installation and Safety
precautions during operation.
These precautions apply to electrical devices.
For precautions applying to the connected equipment consult the relevant instruction book.
Some precautions are general and cover several machine types and equipment; hence some
statements may not apply to your device.
Units and/or used parts should be disposed of in an environmentally friendly and safe manner
and in line with the local recommendations and legislation.
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