➤ Always read and comply with warning instructions.
Signal word Meaning
Consequences of non-observance
DANGER
Warns of an imminent threat of danger Death or serious injury may result
WARNING Warns of possible danger
Death or serious injury are possible
CAUTION Warns of a possibly dangerous situa‐
tion
Light injuries or material damage are possible
Tab. 1 The levels of danger and their meaning
1.4.2 Other notices and symbols
This symbol refers to particularly important information.
Material Here you will find details on special tools, operating materials or spare parts.
Precondition Here you will find conditional requirements necessary to carry out the task.
Here conditions relevant to safety are named that will help you to avoid dangerous situations.
➤ This symbol is is placed by lists of actions comprising one stage of a task.
In lists of actions with several stages the sequence of actions is numbered.
Information that refers to only one option is marked with a code (e.g.: "option da" means that this
section is only valid for machines with the air treatment components "aftercooler and cyclone
separator"). Option codes used in this service manual are explained in chapter 2.2.
Information referring to potential problems are identified by a question mark.
The cause is named in the help text ...
➤ ... and a remedy given.
This symbol refers to important information or measures concerning environmental protection.
Further information Here, your attention is drawn to further topics.
1
Regarding this document
1.4
Symbols and markings
2
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E
Option da
