■ Combustible, explosive or chemically unstable gases or vapours,
■ Acid- or base-forming chemicals such as ammonia, chlorine, or hydrogen sulphide.
➤ Do not position the machine in the warm exhaust air flow from other machines.
➤ Keep suitable fire extinguishing agents ready for use.
Parking the machine:
Improper parking and use of the parked machine endangers personnel and material.
➤ To park the machine, select an even and solid surface which is capable of bearing the ma‐
chine's weight.
➤ Move the machine only with a towing vehicle.
➤ Secure the parked machine:
■ Lower the jockey wheel (if available).
■ Chock the wheels to prevent unwanted movement.
─ Place chocks under the wheels.
─ Pull on the parking brake.
➤ Unauthorised persons must not be present in the parking area of the machine. The parking
area must be properly secured.
➤ The machine – the chassis and the towing mechanism in particular – must not be stepped on
or used for sitting.
➤ Do not place additional loads on the machine (e.g. excavator bucket as anti-theft measure).
3.5.3.3 Commissioning, operation and maintenance
During commissioning, operation and maintenance you may be exposed to dangers resulting from,
e.g., electricity, pressure and temperature. Careless actions can cause accidents with severe ad‐
verse effects for your health.
➤ Allow maintenance work to be carried out only by authorised personnel.
➤ Wear close-fitting, flame-resistant clothing. Wear protective clothing as necessary.
➤ Switch off the machine and lock out the supply disconnecting device.
➤ De-pressurise all pressurised components and enclosures.
■ Wait until the machine has automatically vented.
■ Carefully open the compressed air outlet valve.
■ Check: The pressure gauge must read 0 psig!
➤ For maintenance and repair work, isolate machines with "automatic start/stop" (Option ob) from
the compressed air network and secure against automatic start.
➤ Allow the machine to cool down.
➤ Do not open the body while the machine is switched on.
➤ Do not open or dismantle any valves.
➤ Use only spare parts approved by KAESER for use in this machine.
➤ Operate the machine only in technically sound condition.
➤ Carry out regular inspections:
■ for visible damage and leakage,
3
Safety and Responsibility
3.5
Dangers
28
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
No.: 9_9570 07 USE