Table Of Contents - Mercedes-Benz OM 471 Introduction Into Service Manual

Table of Contents

Table Of Contents5
Engine13
Technical Data Of Diesel Engine Om 47114
As>Built Configuration15
Cylinder Head Cover, As>Built Configuration15
Cylinder Head, As>Built Configuration16
Tightening Procedure For Cylinder Head16
Cooling Levers20
Cooling20
Cylinder Head Gasket, As>Built Configuration21
Upper Side Of The Cylinder Head Seal21
Crankcase As>Built Configuration22
Crankcase From Above, Shown With Oil Ducts22
Crankcase From Below, Shown With Oil Ducts23
Connecting Rod, As>Built Configuration24
Piston, As>Built Configuration25
Protecting The Contact Surfaces26
Crankshaft, As>Built Configuration26
Valve Control; As>Built Configuration27
Valve Control Overall27
Valve Control On The Exhaust Side28
Design Of The Exhaust Rocker Arm Spindle28
Design Of The Rocker Arm29
Exhaust Valve Control For A Deactivated Engine Brake29
Exhaust Valve Control For An Activated Engine Brake30
Valve Control On The Inlet Side30
Design Of The Intake Rocker Arm Spindle31
Design Of The Intake Rocker Arm31
Exhaust Valve Control31
Gear Drive, As>Built Configuration32
Torque Curve33
Camshaft, As>Built Configuration34
Belt Drive, As>Built Configuration35
2>Belt Drive (Fan Raised)35
3>Belt Drive (Fan On Crankshaft)36
Crankcase Ventilation System Function37
Forced Induction, Function38
Boost Pressure Control (Via Wastegate)39
Turbocharger Protection Function39
Engine Management, Function40
Functions41
Engine Management, Overall Network41
Response In The Event Of Drive Train Can (Can 4) Malfunction43
Response When Camshaft Position Sensor (B601) Fails43
Response When Crankshaft Position Sensor (B600) Fails43
Response When A Temperature Sensor Fails44
Response When An Exhaust Gas Recirculation (Egr) Component Fails44
Response When Engine Management (Mcm) Control Unit (A4) Fails44
Start Procedure, Function45
Requirements45
Determination Of The Engine Speed And46
Crankshaft Angle, Function46
Determination Of The Compression Stroke At46
Idle Speed Control, Function47
Altitude Correction48
Smoke Limitation48
Smooth Running Control48
Working Speed Control, Function49
General Information49
Regulation Of The Working Speed49
Changing The Working Speed50
Driving, Function51
Engine Shutoff Procedure, Function53
Determination Of The Engine Speed And Crankshaft Angle, Function56
Determination Of The Compression Stroke At Cylinder 1, Function57
Determination Of The Coolant Temperature, Function58
Determination Of Air Mass, Function59
Determination Of The Fuel Temperature, Function60
Function Of The Specified Engine Torque Calculation61
Engine Brake, Function63
Overview Of Components Of Valve Timing63
Engine Brake Deactivated64
Performance Feature Of A Standard And High Performance System68
Code (M5U) Engine Brake, Standard System68
Code (M5V) Engine Brake, High Performance System68
Exhaust Gas Recirculation, Function69
Networking Of The Electrical Components69
Exhaust Aftertreatment, Function71
New Diesel Engine Generation71
The Emissions Standard Euro V, Eev71
Function Of The Eats (Overall System)73
Reduction Of Nox In The Scr Catalytic Converter73
Adblue" Line System74
Adblue" Heater74
Function of Adblue" Heating by Coolant74
Function of Adblue" Heating by an Electrical Heater74
Euro Vi Emissions Standard76
System Overview77
Electronic Networking78
Networking Of Control Units79
Function Of Exhaust Aftertreatment System (Overall System)79
Adblue"/Coolant Line System80
Exhaust Aftertreatment Overall Network82
Engine Oil Circuit, Function83
Engine Oil Circuit Schematic85
Coolant Circuit, Function86
Engine Cooling Circuit86
Heating Circuit87
(B3H) Secondary Water Retarder87
Coolant Circuit Schematic89
Engine Cooling Thermal Management, Function90
Electromagnetic Coolant Pump Control90
Electromagnetic Fan Clutch Control, Function91
Cooling Air Control, Function (With Code (M7K) Radiator Shutters)91
Engine Cooling Thermal Management Overall Network93
Fuel Supply, Function94
Fuel Low Pressure Circuit95
Fuel High>Pressure Circuit95
Fuel Low Pressure Circuit Function96
Fuel High Pressure Circuit Function103
Central Gateway Control Unit (Cgw), Component Description104
Routing Data104
Bus Termination Resistors104
Control Unit Monitoring104
Component Description Drive Control (Cpc) Control Unit105
Component Description For Engine Management (Mcm) Control Unit106
System Components107
Exhaust Gas Recirculation (Egr)107
Ic Control Unit (Icuc) (A1)107
Fan Control107
Electronic Brake Control Control Unit (Ebs), Component Description108
Battery Disconnect Switch Control Unit, Component Description110
Radiator Shutters, Component Description112
Proximity Control Assist112
Eatu Output Nox Sensor, Component Description113
Exhaust Aftertreatment Unit Outlet Nox Sensor, Component Description115
Pump Module, Component Description118
Exhaust Aftertreatment (Acm) Control Unit, Component Description120
Adblue Metering Device, Component Description124
Eatu Input Nox Sensor, Component Description126
Exhaust Aftertreatment Unit Inlet Nox Sensor, Component Description128
Auxiliary Heater Unit, Component Description131
Auxiliary Heater Coolant Circulation Pump, Component Description133
Travel And Speed Sensor, Component Description134
Component Description For Accelerator Pedal Sensor137
Adblue" Fill Level Sensor/Temperature Sensor, Component Description145
Determination Of The Fill Level146
Determination Of Temperature146
Coolant Pressure Control Sensor, Component Description147
Component Description For Crankshaft Position Sensor148
Component Description For Camshaft Position Sensor149
Component Description For Fuel Temperature Sensor150
Oil Pressure Sensor, Description Of Components151
Component Description For Engine Oil Fill Level Sensor152
Component Description For Exhaust Coolant Temperature Sensor153
Component Description For Intake Coolant Temperature Sensor154
Component Description For Turbine Wheel Rpm Sensor156
Component Description For Temperature Sensor Downstream Of Air Filter157
Component Description For Egr Differential Pressure Sensor159
Component Description For Rail Pressure Sensor160
Diesel Fuel Metering Device, Component Description161
Fuel Filter Module Pressure Sensor, Component Description162
Component Description For Coolant Pump163
Residual Heat Pump, Component Description165
Tachograph (Tco) Component Description166
Electronic Ignition Lock (Eis), Component Description167
Emergency Off Switch, Component Description168
Shown On Left>Hand Drive Vehicle168
Frame Emergency Off Switch, Component Description169
Engine Start And Engine Stop Button, Component Description170
Heating Shutoff Valve, Component Description171
Coolant Pressure Control Solenoid Valve, Component Description172
Component Description For Fuel Injectors173
Arrow Injector Quantity Compensation Code174
Injection Without A Pressure Booster (4)174
Injection With A Pressure Booster (4)175
Graphic Presentation Of The Injection Process175
Component Description For The Electromagnetic Viscous Coupling177
Thermal Protection Function178
Component Description For Exhaust Gas Recirculation Controller179
Exhaust Gas Recirculation Rate Control180
Influence On The Engine Braking System180
Component Description For Engine Brake Solenoid Valve181
Activation Of The Engine Brake182
Deactivation Of The Engine Brake182
Adblue" Heater Coolant Solenoid Valve, Component Description183
Component Description For Boost Pressure Regulator184
Component Description For Quantity Control Valve185
Component Description For Oil Separator186
Component Description For Fuel System High Pressure Pump187
Component Description For Pressure Limiting Valve188
Component Description For Turbocharger189
Component Description For Exhaust Gas Recirculation Cooler190
Component Description For Adblue Tank191
Component Description For Oil Pump192
Oil/Coolant Module, Component Description194
Oil Thermostat, Component Description196
Component Description For Oil/Water Heat Exchanger197
Component Description For Coolant Thermostat198
Bypass Mode199
Mixed Mode199
Cooler Mode199
Retarder, Component Description200
Sectional View Of Secondary Water Retarder201
Relief Valve201
Valve Block201
Actuator202
Side Channel Pump202
Twisted Teeth202
Slide Ring Seal203
Evaporation Tray203
Retarder Shaft203
Shutoff Pressure Line, Feed204
Rotor204
Stator204
Coolant Temperature Sensor (B933)205
Component Description For Fuel Pump206
Component Description For Fuel Cooler207
Component Description For Fuel Filter Module208
Fuel Prefilter209
Water Separator And Fuel Filter210
Diesel Oxidation Catalytic Converter, Component Description211
Component Description For Scr Catalytic Converter212
Exhaust Aftertreatment Unit, Component Description216
Location Of Sensors217
Regeneration222
Passive Regeneration222
Active Regeneration222
Nozzle Unit For Dpf Regeneration, Component Description223
Heating System Heat Exchanger, Component Description224