Fig 8-2 Internal compressed air system, V-engine (DAAE075987D)
System components
Stop valves13Control valve for auto draining07Main starting valve01
Stop cylinders at each inj. pump14Control valves for start and slow
turn
08Flame arrestor02
Oil mist detector15Blocking valve of turning gear09Starting air valve in cylinder head03
Pressure control valve16Drain valve10Starting air distributor04
Speed governor17Air container11Bursting disc (break press 4.0
MPa)
05
Starting booster for governor12Air filter06
Sensors and indicators
Exhaust wastegate controlCV519Stop/shutdown solenoid valve 1CV153-1
Exhaust wastegate valve positionGT519Stop/shutdown solenoid valve 2CV153-2
Charge air by-pass valve controlCV643Starting air pressure, engine inletPT301
Charge air by-pass valve openGS643OControl air pressurePT311
Charge air by-pass valve closedGS643CInstrument air pressurePT312
Oil mist detector failureNS700Starting solenoid valveCV321
Slow turning solenoidCV331
SizePipe connections
DN50Starting air inlet, 3 MPa301
OD18Control air inlet, 3 MPa302
OD18Driving air to oil mist detector303
OD6Control air to speed governor304
OD12Control air to by-pass/waste-gate valve, 0.4...0.8 MPa311
Wärtsilä 46F Product Guide - a19 - 1 December 2017 8-3
8. Compressed Air SystemWärtsilä 46F Product Guide
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