300676782_002_C0
6996 0229 87 Issue A – 05/2017 – © Leybold 8
3. 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.
4. Never operate the machine when there is a possibility of taking inflammable or toxic fumes, vapors
or particles.
5. Never operate the machine below or in excess of its limit ratings.
6. Keep all bodywork panels shut during operation. The panels may be opened for short periods only,
for example, to carry out routine checks. Wear ear protectors when opening a panel. On
vacuum/over-pressure pumps without bodywork, wear ear protection in the vicinity of the machine.
7. People staying in environments or rooms where the sound pressure level reaches or exceeds 80
dB(A) shall wear ear protectors.
8. Periodically check that:
All guards are in place and securely fastened
All hoses and/or pipes inside the machine are in good condition, secure and not rubbing
There are no leaks
All fasteners are tight
All electrical leads are secure and in good order
Air inlet valve and air net, that is pipes, couplings, manifolds, valves, hoses, and so on are in
good repair, free of wear or abuse
9. If warm cooling air from vacuum pumps is used in air heating systems, e.g. to warm up a workroom,
take precautions against air pollution and possible contamination of the breathing air.
10. Do not remove any of, or tamper with, the sound-damping material.
11. Never remove or tamper with the safety devices, guards or insulation fitted on the machine.
12. Do not change the purpose of the pump. If the pump is configured to be used as a vacuum pump,
do not use the pump as an over-pressure pump. If the pump has been configured to be used as an
over-pressure pump, do not use the pump as a vacuum pump.
13. Never run the over-pressure pump without the air intake filter mounted. For the vacuum pump,
Leybold recommends to install an air intake filter to safeguard the pump. Consult Leybold to check
whether the application for the vacuum pump requires and air intake filter.
CAUTION
Also consult following safety precautions: Safety precautions during installation and Safety
precautions during maintenance.
These precautions apply to machinery processing or consuming air or inert gas.
Processing of any other gas requires additional safety precautions typical to the application which are
not included herein.
Some precautions are general and cover several machine types and equipment; hence some
statements may not apply to your machine.
1.5 Safety precautions during maintenance or repair
WARNING
All responsibility for any damage or injury resulting from neglecting these
precautions, or non-observance of the normal caution and care required for
installation, operation, maintenance and repair, even if not expressly stated, will be
disclaimed by the manufacturer.
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