10 Maintenance
10.1 Ensuring safety
Follow the instructions below to ensure safe machine maintenance.
Warning instructions are located before a potentially dangerous task.
Disregard of warning instructions can cause serious injuries!
Complying with safety notes
Disregard of safety notes can cause unforeseeable dangers!
➤ Follow the instructions in chapter 3 'Safety and Responsibility'.
➤ Maintenance work may only be carried out by authorized personnel.
➤ Do not reuse removed self-locking nuts but replace with new ones. The non-positive safety
against loosening is no longer ensured when the nut is unscrewed.
➤ Use one of the safety signs below to advise others that the machine is currently being serv‐
iced:
Sign
Meaning
Don't activate the machine.
Warning:
The machine is being serviced.
Tab. 70 Advise others that the machine is being serviced.
➤ Before switching on, make sure that:
■ nobody is working on the machine,
■ all protective guards and cover panels are attached,
■ all doors, canopy, and panels are closed,
■ all tools have been removed from the machine.
➤ Do not perform any checks or maintenance while the machine is running.
The access doors are held up by gas struts.
➤ Check that the doors remain open.
If door does not remain opened: Have the gas-filled spring changed.
When working on the compressed air system
Compressed air is contained energy. Uncontrolled release of this energy can cause serious injury
or death. The following safety concerns relate to any work on components that could be under
pressure.
➤ Disconnect the air consumers.
➤ De-pressurise all pressurised components and enclosures.
■ Wait until the machine has automatically vented.
10 Maintenance
10.1 Ensuring safety
96
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
