Item
Sign
Meaning
310
311
Injury or damage from open machine.
➤ Operate the machine only when closed.
➤ Transport the machine only when closed.
320*
Loud noise and oil mist when the safety relief valve opens.
Ear damage and burns can result.
➤ Wear ear protection and protective cloths.
➤ Close all maintenance doors and cover panels.
➤ Work carefully.
330
331
332
Hot surface can cause burns.
➤ Let the machine cool down.
➤ Work carefully.
➤ Wear protective cloths and gloves.
390*
391*
Rotating fan blades and V-belt drive.
Injury and machine damage possible. Severe injury could result from touch‐
ing the fan blades and v-belt drive while it is rotating.
➤ Never switch the machine on without guard in place over the fan blade.
➤ Isolate completely from the power supply (all conductors) and ensure the
supply cannot be switched on again (lock off).
420**
Injury or damage can result because tongue weight on this equipment may
be heavy.
➤ Do not lift drawbar by hand if weight is more than you can safely handle.
➤ See safety section of service manual.
430
Connect air hoses only in full compliance with OSHA standard
29 CFR 1926,302 (bX7).
The required safety devices should be tested in accordance with their manu‐
facturer's recommendations to verify that they reduce pressure in case of
hose failure and will not nuisance trip with the hose and tool combinations in
use.
440
Compressed air quality.
Injury and/or contamination can result from breathing compressed air.
Contamination of food can result from using untreated compressed air for
food processing.
➤ Never breathe untreated compressed air!
➤ Air from this compressor must meet OSHA 29 CFR 1910.134 and
FDA 21 CFR 178.3570 standards, if used for breathing or food process‐
ing. Use proper compressed air treatment.
➤ Food grade coolant must be used for food processing.
* Location within the machine
** Only towable machines
*** Only machines with Option dc
3
Safety and Responsibility
3.7
Safety signs
30
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
