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4.7.1.2 Option da
Cyclone separator
Condensate accumulating during the air cooling process is separated, fed to the exhaust gas si‐
lencer and evaporated there.
4.7.1.3 Option db
Heat exchanger
The oil/air heat exchanger is fed with hot compressor cooling oil that warms the outgoing moisture-
reduced compressed air.
This warm, dry compressed air is ideal for sand blasting, for example.
4.7.1.4 Option dd
Filter combination
The dried compressed air passes through a pre-filter and micro-filter combination and emerges oil-
free.
4.7.1.5 Option dc
Fresh air filter
Compressed air from oil-injected compressors may not be used directly as breathing air.
The concentration of contaminants will increase during the compression of the intake ambient air
and cooling oil and abraded particles can enter the compressed air. This requires a subsequent
treatment of the pre-filtered compressed air.
Air must be filtered to remove all contaminants, such as fine dust and oil as well as odors, before it
can be used for breathing purposes.
To achieve this, part of the compressed air output from the compressor is passed through a combi‐
nation of micro-filter and activated carbon filter.
The connection to air treated in this way is specially marked. It is designed as a quick-release cou‐
pling next to the outlet valves on the compressed air distributor.
Danger from toxic air!
Danger of respiratory arrest because the filter does not remove CO/CO
2
, methane or other
toxic gasses or vapors.
➤ Never use the machine in enclosed spaces, only in the open.
➤ Clean inlet air without hazardous contaminants. Engine exhaust must not be drawn into
the compressor!
The treated air does not meet the local standards for “Compressed air for breathing appara‐
tus'”. Therefore, it must not be used as pure breathing air but may be used to reinforce the
flow of fresh air when working in dusty or dirty conditions such as sand blasting.
Further information See chapter 2.7.1.1 for ambient conditions under which the fresh air filter can be used.
Further information See DIN EN 12021 for more information regarding permissible limit values for hazardous contami‐
nants in breathing air.
4
Design and Function
4.7
Options
No.: 9_9570 07 USE
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
47
Содержание M250
Страница 2: ...Original instructions KKW M250 2 07 en Z1 SBA MOBILAIR 20160901 155921...
Страница 8: ...Contents vi Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL No 9_9570 07 USE...
Страница 12: ...List of Illustrations x Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL No 9_9570 07 USE...
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Страница 372: ...13 Annex 13 5 Fuel circulation diagram 358 Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL No 9_9570 07 USE...
Страница 373: ...13 Annex 13 5 Fuel circulation diagram No 9_9570 07 USE Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL 359...
Страница 375: ...13 Annex 13 6 Air brake diagram No 9_9570 07 USE Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL 361...
Страница 377: ...13 Annex 13 7 Assembly diagrams chassis No 9_9570 07 USE Operator Manual Screw Compressor M250 SIGMA CONTROL MOBIL 363...
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