Safety Precautions During Operation - BeaconMedaes dMED 7 Instruction Book

The operator has to make sure that the machine is stopped and that the isolating switch is open and locked
before any maintenance or repair. As a further safeguard, 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 starting equipment.
9. Air-cooled machines must be installed in such a way that an adequate flow of cooling air is available and
that the exhausted cooling air does not recirculate to the inlet.
10. The electrical connections must be made in accordance with the applicable codes. The machines must be
earthed and protected against short circuits by fuses in all phases. A lockable power isolating switch must
be installed near the equipment.
11. On machines with automatic start-stop system or if the automatic restart function after voltage failure is
activated, a sign stating "This machine may start without warning" must be affixed near the instrument
panel.
12. Never remove or tamper with the safety devices, guards or insulation fitted on the machine. Every pressure
vessel or auxiliary installed outside the machine to contain air above atmospheric pressure must be
protected by a pressure-relieving device or devices as required.
13. Piping or other parts with a temperature in excess of 80˚C (176˚F) and which may be accidentally touched
by personnel during normal operation must be guarded or insulated. Other high-temperature piping must
be clearly marked.
14. For water-cooled machines, the cooling water system installed outside the machine has to be protected by
a safety device with set pressure according to the maximum cooling water inlet pressure.
15. If no safety valve is present in the air net close to the desiccant dryer (e.g. safety valve of compressor),
full flow safety valves must be installed on the dryer vessels.
16. If the maximum pressure of the compressor is higher than the design pressure of the dryer, a full flow
safety valve must be installed between the compressor and the dryer in order to blow off the excessive
pressure in case the safety valve of the dryer should be out of order or blocked.
1.4

Safety precautions during operation

1. Always be careful when touching any piping or components of the dryer during operation.
2. Use only the correct type and size of hose end fittings and connections. When blowing through a hose or
air line, ensure that the open end is held securely. A free end will whip and may cause injury. Make sure
that a hose is fully depressurized before disconnecting it.
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 equipment in the presence of flammable or toxic fumes, vapours or particles.
5. Never operate the machine below or in excess of its limit ratings.
6. Keep all bodywork closed during operation. Bodywork should be opened for short periods only, e.g. to
carry out routine checks. Wear ear protectors when removing a panel.
7. People staying in environments or rooms where the sound pressure level reaches or exceeds 90 dB(A)
shall wear ear protectors.
8. Periodically check that:
• All guards are in place and securely fastened
6
Also consult sections General safety
Safety precautions during maintenance or
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 equipment.
precautions, Safety precautions during operation
repair..
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