1.4.3
General Safety Notes
Electrical hazards
DANGER!
Life-threatening hazard from electric shock!
There is an imminent life-threatening hazard from electric shocks from live parts.
Damage to insulation or to specic components can pose a life-threatening hazard.
• Only a qualied electrician should perform work on the electrical equipment.
• Immediately switch o the power supply and have it repaired if there is damage to
the insulation.
• Before beginning work at live parts of electrical systems and resources, cut the
electricity and ensure it remains o for the duration of the work. Comply with the
ve safety rules in the process:
◦ cut electricity;
◦ safeguard against restart;
◦ ensure electricity is not owing;
◦ earth and short-circuit; and
◦ cover or shield neighboring live parts.
• Never bypass a fuse or render it inoperable. Always use the correct amperage when
changing a fuse.
• Keep moisture away from live parts. Moisture can cause short circuits.
Prime mover safety
WARNING!
Hazards due to
insucient prime mover protection
The engine, turbine, or other type of prime mover should be equipped with an overspeed
(over-temperature, or over-pressure, where applicable) shutdown device(s), that
operates totally independently of the prime mover control device(s) to protect against
runaway or damage to the engine, turbine, or other type of prime mover with possible
personal injury or loss of life should the mechanical-hydraulic governor(s) or electric
control(s), the actuator(s), fuel control(s), the driving mechanism(s), the linkage(s), or
the controlled device(s) fail.
19LS-5 v2 Series37650
1 General Information
1.4 Safety