MAN B&W 13.01
Page of
MAN Diesel
MAN B&W S80MEC, K80MEC, S70MEC/MEGI, L70MEC 198 39 980.2
Starting and Control Air Systems
Fig. 13.01.01: Starting and control air system
The starting air of 30 bar is supplied by the start-
ing air compressors (4 50 602) to the starting air
receivers (4 50 65) and from these to the main
engine inlet ‘A’.
Through a reducing station (4 50 665), com-
pressed air at 7 bar is supplied to the control air
for exhaust valve air springs, through ‘B’.
Through a reducing valve (4 50 675) is supplied
compressed air at 0 bar to ‘AP’ for turbocharger
cleaning (soft blast), and a minor volume used for
the fuel valve testing unit.
Starting air and control air for the GenSets can be
supplied from the same starting air receivers, as
for the main engine.
Please note that the air consumption for control
air, safety air, turbocharger cleaning, sealing air
for exhaust valve and for fuel valve testing unit are
momentary requirements of the consumers.
For information about a common starting air sys-
tem for main engines and MAN Diesel auxiliary
engines, please refer to our publication:
Uniconcept Auxiliary Systems for Twostroke Main
The publication is available at www.mandiesel.com
under ‘Quicklinks’ → ‘Technical Papers’
178 50 517.0
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