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Файл:Wartsila-O-E-W-20-PG.pdf
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- •Introduction
- •Table of Contents
- •1. Main Data and Outputs
- •1.1 Maximum continuous output
- •1.2 Reference conditions
- •1.3 Operation in inclined position
- •1.4 Dimensions and weights
- •2. Operating ranges
- •2.1 Engine operating range
- •2.2 Loading capacity
- •2.3 Low air temperature
- •2.4 Operation at low load and idling
- •3. Technical Data
- •3.1 Wärtsilä 4L20
- •3.2 Wärtsilä 6L20
- •3.3 Wärtsilä 8L20
- •3.4 Wärtsilä 9L20
- •4. Description of the Engine
- •4.1 Definitions
- •4.2 Main components and systems
- •4.3 Cross sections of the engine
- •4.4 Overhaul intervals and expected lifetimes
- •5. Piping Design, Treatment and Installation
- •5.1 Pipe dimensions
- •5.2 Trace heating
- •5.3 Operating and design pressure
- •5.4 Pipe class
- •5.5 Insulation
- •5.6 Local gauges
- •5.7 Cleaning procedures
- •5.8 Flexible pipe connections
- •5.9 Clamping of pipes
- •6. Fuel Oil System
- •6.1 Acceptable fuel characteristics
- •6.2 Internal fuel oil system
- •6.3 External fuel oil system
- •7. Lubricating Oil System
- •7.1 Lubricating oil requirements
- •7.2 Internal lubricating oil system
- •7.3 External lubricating oil system
- •7.4 Crankcase ventilation system
- •7.5 Flushing instructions
- •8. Compressed Air System
- •8.1 Internal compressed air system
- •8.2 External compressed air system
- •9. Cooling Water System
- •9.1 Water quality
- •9.2 Internal cooling water system
- •9.3 External cooling water system
- •10. Combustion Air System
- •10.1 Engine room ventilation
- •10.2 Combustion air system design
- •11. Exhaust Gas System
- •11.1 Internal exhaust gas system
- •11.2 Exhaust gas outlet
- •11.3 External exhaust gas system
- •12. Turbocharger Cleaning
- •12.1 Turbine cleaning system
- •12.2 Compressor cleaning system
- •13. Exhaust Emissions
- •13.1 Diesel engine exhaust components
- •13.2 Marine exhaust emissions legislation
- •13.3 Methods to reduce exhaust emissions
- •14. Automation System
- •14.1 UNIC C1
- •14.2 UNIC C2
- •14.3 Functions
- •14.4 Alarm and monitoring signals
- •14.5 Electrical consumers
- •15. Foundation
- •15.1 Steel structure design
- •15.2 Mounting of main engines
- •15.3 Mounting of generating sets
- •15.4 Flexible pipe connections
- •16. Vibration and Noise
- •16.1 External forces and couples
- •16.2 Mass moments of inertia
- •16.3 Structure borne noise
- •16.4 Air borne noise
- •17. Power Transmission
- •17.1 Flexible coupling
- •17.2 Clutch
- •17.3 Shaft locking device
- •17.4 Power-take-off from the free end
- •17.5 Input data for torsional vibration calculations
- •17.6 Turning gear
- •18. Engine Room Layout
- •18.1 Crankshaft distances
- •18.2 Space requirements for maintenance
- •18.3 Transportation and storage of spare parts and tools
- •18.4 Required deck area for service work
- •19. Transport Dimensions and Weights
- •19.1 Lifting of engines
- •19.2 Engine components
- •20. Product Guide Attachments
- •21. ANNEX
- •21.1 Unit conversion tables
- •21.2 Collection of drawing symbols used in drawings

Product Guide
17.Power Transmission
•Clutch-in speed
•Power distribution between the different users
•Power speed curve of the load
17.6 Turning gear
The engine can be turned with a manual ratchet tool after engaging a gear wheel on the flywheel gear rim. The ratchet tool is provided with the engine.
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Product Guide Wärtsilä 20 - 3/2009 |
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