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Fig 9-7 External cooling water system 2 x Wärtsilä L46F (DAAE022047b)

System components

Transfer pump4P09Heater (preheater)4E05

Air venting4S01Central cooler4E08

Additive dosing tank4T03Cooler (reduction gear)4E10

Drain tank4T04Cooler (installation equipment)4E12

Expansion tank4T05Pre-heating unit4N01

Temperature control valve (heat recovery)4V02Evaporator unit4N02

Temperature control valve (central cooler)4V08Circulation pump (preheater)4P04

Circulation pump4P06

Pipe connections

HT-water air vent from exhaust valve seat424HT-water inlet401

LT-water inlet451HT-water outlet402

LT-water outlet452HT-water from preheater to HT-circuit406

LT-water air vent from air cooler454HT-water drain411

HT-water air vent from air cooler416

Wärtsilä 46F Product Guide - a19 - 1 December 2017 9-9

9. Cooling Water SystemWärtsilä 46F Product Guide

Default Chapter4
- Table of Contents4
1 Main Data and Outputs7
- Maximum Continuous Output7
- Reference Conditions8
- Operation in Inclined Position8
- Dimensions and Weights9
2 Operating Ranges11
- Engine Operating Range11
- Loading Capacity12
- Operation at Low Load and Idling13
- Low Air Temperature14
3 Technical Data15
- Introduction15
- Wärtsilä 6L46F16
- Wärtsilä 7L46F19
- Wärtsilä 8L46F22
- Wärtsilä 9L46F25
- Wärtsilä 12V46F28
- Wärtsilä 14V46F31
- Wärtsilä 16V46F34
4 Description of the Engine37
- Definitions37
- Main Components and Systems37
- Cross Section of the Engine41
- Overhaul Intervals and Expected Life Times43
- Engine Storage43
5 Piping Design, Treatment and Installation45
- Pipe Dimensions45
- Trace Heating46
- Operating and Design Pressure46
- Pipe Class47
- Insulation48
- Local Gauges48
- Cleaning Procedures48
- Flexible Pipe Connections49
- Clamping of Pipes50
6 Fuel Oil System53
- Acceptable Fuel Characteristics53
- Internal Fuel Oil System57
- External Fuel Oil System59
7 Lubricating Oil System79
- Lubricating Oil Requirements79
- Internal Lubricating Oil System80
- External Lubricating Oil System83
- Crankcase Ventilation System92
- Flushing Instructions93
8 Compressed Air System95
- Instrument Air Quality95
- Internal Compressed Air System95
- External Compressed Air System98
9 Cooling Water System103
- Water Quality103
- Internal Cooling Water System104
- External Cooling Water System109
10 Combustion Air System125
- Engine Room Ventilation125
- Combustion Air System Design127
11 Exhaust Gas System129
- Internal Exhaust Gas System129
- Exhaust Gas Outlet131
- External Exhaust Gas System133
12 Turbocharger Cleaning139
- Turbocharger Cleaning System139
- Wärtsilä Control Unit for Four Engines, UNIC140
13 Exhaust Emissions141
- Diesel Engine Exhaust Components141
- Marine Exhaust Emissions Legislation142
- Methods to Reduce Exhaust Emissions143
14 Automation System145
- Unic C2145
- Functions150
- Alarm and Monitoring Signals152
- Electrical Consumers152
- System Requirements and Guidelines for Diesel-Electric Propulsion154
15 Foundation155
- Steel Structure Design155
- Engine Mounting155
16 Vibration and Noise163
- External Forces and Couples163
- Torque Variations165
- Mass Moments of Inertia165
- Structure Borne Noise166
- Air Borne Noise167
- Exhaust Noise168
17 Power Transmission169
- Flexible Coupling169
- Clutch169
- Shaft Locking Device169
- Power-Take-Off from the Free End169
- Input Data for Torsional Vibration Calculations171
- Turning Gear172
18 Engine Room Layout173
- Crankshaft Distances173
- Space Requirements for Maintenance179
- Transportation and Storage of Spare Parts and Tools179
- Required Deck Area for Service Work179
19 Transport Dimensions and Weights187
- Lifting the In-Line Engine187
- Lifting the V-Engine189
- Engine Components190
20 Product Guide Attachments193
21 Annex195
- Unit Conversion Tables195
- Collection of Drawing Symbols Used in Drawings196

Brand	Wartsila
Model	46F Series
Category	Engine
Language	English

Wartsila 46F Series User Manual

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Wartsila 46F Series Specifications

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