Conversion or modification of the machine
Modifications, additions to and conversions of the machine or the controller can result in unpredict‐
able dangers.
➤ Do not convert or modify the machine!
➤ Obtain written approval by the manufacturer prior to any technical modification or expansion of
the machine, the controller, or the control programs.
Extension or modification of the gas compressor station
If dimensioned appropriately, pressure relief valves reliably prevent an impermissible rise in pres‐
sure. New dangers may arise if you modify or extend the compressed gas station.
➤ When extending or modifying the compressed gas system:
Check the blow-off capacity of pressure relief valves on gas receivers and compressed gas
lines before installing a new machine.
➤ If the blow-off capacity is insufficient:
Install pressure relief valves with larger blow-off capacity.
3.5.2 Safe machine operation
Information on conduct that will help in handling the machine safely is given here.
Personal protective equipment
When working on the machine you may be exposed to dangers that can result in accidents with
severe adverse health effects.
➤ Wear protective clothing as necessary.
Suitable protective clothing (examples):
■ Safety workwear
■ Protective gloves
■ Safety boots
■ Eye protection
■ Ear protection
Transporting
The weight and size of the machine require safety measures during its transport to prevent acci‐
dents.
➤ Use suitable lifting gear that conforms to local safety regulations.
➤ Allow transportation only by personnel trained in the safe movement of loads.
➤ Attach lifting gear only to suitable lifting points.
➤ Be aware of the centre of gravity to avoid tipping.
➤ Make sure the danger zone is clear of personnel.
➤ Do not step onto machine components to climb up the machine.
Installation
➤ Use only electrical cables that are suitable and approved for the surroundings and electrical
loads applied.
3 Safety and Responsibility
3.5 Dangers
ESD_2C_10357405_10–LIN_00 E
Service Manual Screw Compressor
ESD 442/14 bar (abs) SFC SIGMA CONTROL 2
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