Starting and Control Air Pipes
Fig. 13.03.01: Starting and control air pipes
Service / Blocked
Slow turning
4 50 140
Deaeration
Bursting cap
Starting air distributor
Starting valve
Main starting valve
= Pneumatic component box
Exhaust valve actuator
Puncture valve,
only 5 cyl. engines
PT 8501 I AL
PI 8501
ZS 1112 C
ZS 1111 C
ZV 1116 C ZV 1117 C
A
The letters refer to list of ‘Counterflanges’
The item Nos. refer to ‘Guidance values automation’
The piping is delivered with and fitted onto the engine
317 18 205.0.0
For information about a common starting air
system for main engines and auxiliary engines,
please refer to our publication:
Uni-concept Auxiliary Systems for Two-Stroke Main
Engines and Four-Stroke Auxiliary Engines
The publication is available at
www.marine.man.eu → ’Two-Stroke’ → ’Technical
Papers’.
The starting air pipes, Fig. 13.03.01, contain a
main starting valve (a ball valve with actuator), a
non-return valve, a solenoid valve and a starting
valve. The main starting valve is controlled by the
Engine Control System. Slow turning before start
of engine, EoD: 4 50 140, is included in the basic
design.
The Engine Control System regulates the supply
of control air to the starting valves in accordance
with the correct firing sequence and the timing.
Please note that the air consumption for control
air, turbocharger cleaning and for fuel valve test-
ing unit are momentary requirements of the con-
sumers. The capacities stated for the air receivers
and compressors in the ‘List of Capacities’ cover
all the main engine requirements and starting of
the auxiliary engines.
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