Item
Symbol
Meaning
450
Loud noise and compressed air blast!
Damage to hearing and injury if ball valve is opened without a com‐
pressed air hose being connected.
➤ Connect a compressed air hose.
➤ Open the ball valve.
500**
Risk of accident from unstable towing!
Injury and machine damage possible.
➤ The compressor towbar must be parallel with the ground when
coupled to the towing vehicle.
➤ Note instructions in the service manual regarding transporting.
510**
Malfunction due to insufficient maintenance.
Injury and machine damage possible.
➤ Regularly maintain the chassis.
➤ Note the instructions in the operating manual regarding the
chassis.
600*
Risk of fatal injury caused by dismantling valves (spring-loaded or
under pressure)!
➤ Do not open or dismantle valves.
➤ Call an authorised Service Technician in the event of a fault.
620
621
Risk of serious lacerations or even severing of extremities (fingers)
from rotating components.
➤ Operate the machine only with closed safety guards, access
doors and panels.
➤ Shut down the machine before opening a door or canopy.
1222***
Danger!
Mortal danger from CO, CO₂ or toxic gasses.
➤ Draw in only surrounding air of breathing quality.
Danger!
Danger to health from discharge of oily compressed air.
➤ Maintain surrounding air temperature b1.5 °C and
30 °C.
➤ Check the oil indicator at least once a day.
1650*
Machine damage if switched while the engine is running!
➤ Use the «battery isolating switch» only with the engine stopped.
➤ Do not use the «battery isolating switch» as a main or emergen‐
cy switch.
* Location within the machine
** Portable machines only
*** Only machines with option dc
Tab. 40 Safety signs
3
Safety and Responsibility
3.7
Safety signs
24
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E