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Transcript of happy Morning
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happy Morning
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LIVE THE BEST
Welcome
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Presentation of Industrial Trainning
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Tabel of Contents Introduction Production Car nomenclature Models Innovation Body Style Body Designation Identification of Chassis Number Engine Designation MaintanceInspection point of engine compartment Inspection point of transmission EGR Automatic TransmissionTurbochargerSterring System
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Introduction Karl Benz co-founder First Motor car in 1886 3 wheels and single cylinder 4 stroke.
Gottlieb, Wilhelm & Daimler develop first world four wheel motor car 1886.
Gottlieb Daimler started Daimler motor company in 1890. Agent Emil Jellinek, of Daimler motor co. ordered 36 special designed
cars under the name of his daughter Mercedes.
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First Mercedes was designed by Maybach, chief engineer at Daimler motor co.
Three Point star in the logo stands for Land, Sea & Air as the Daimler engineers.
Maybach left Daimler in 1907 & setup a company Maybach motors.
Benz and Daimler mixed in 1926 and made as Daimler Benz AG.
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Production• Factories in IndiaIndia, Bangalore(R&D)India(Pune)India, Chennai (Daimler India Commercial Vehicles Pvt.
Ltd.)- Trucks & Engine Manufacturing unit
Car Nomenclature• C stands for Compact class • S stands for luxury class
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• E stands for Executive class• M stands for luxuries SUV• G stands for SUV off roads • “4MATIC” indicates the vehicle is equipped with all-
wheel-drive.• “Blue TEC” indicates a desiel engine with selective
catalytic reduction exhaust aftertreatment.• “Blue EFFICIENCY” indicates special fuel economy
feature (direct injection, start-stop system, aerodynamic modification, etc.)
• “CGI” (Charged Gasoline Injection) indicates direct gasoline injection.
• “CDI” (Common-rail Direct Injection) indicates a common-rail diesel engine.
• “Kompressor” indicates a supercharged engine.
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Models A-Class-Hatchback B-Class-Multi Purpose vehicle(MPV) C-Class-Saloon, Estate &Coupe CL-Class-Luxury coupe CLA-Class-4 Door coupe CLS-Class-4 Door Coupe and Estate E-Class-Saloon, Estate, Coupe and Carbriolet G-Class-Sports Utility Vehicle (SUV) GL-Class-Sports Utility Vehicle (SUV) GLA-Class-Sports Utility Vehicle (SUV) GLB-Class-Sports Utility Vehicle (SUV) GLK-Class-Sports Utility Vehicle (SUV) M-Class-Sports Utility Vehicle (SUV) R-Class-Multi Purpose Vehicle (MPV) S-Class-Luxury Sedan SL-Class-Roadster SLK-Class-Roadster
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Innovations The internal combustion engine automobile was developed independently by
Benz and Daimler & Maybach in 1886 Daimler invented the honeycomb radiator of the type still used on all water –
cooled vehicles today. Daimler invented the float carburetor which was used until replaced by fuel
injection. The first passenger road car to have brakes on all four wheels (1924) In 1936, the Mercedes –Benz 260 D was the first diesel powered passenger
car. Mercedes –Benz were the first to offer direct fuel injection on the Mercedes –
Benz 300SL Gullwing
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• In September 2003, Mercedes –Benz introduced the world’s first seven-speed automatic transmission called ‘7G-Tronic’
• Airbags were first introduced in the European market, beginning with model year 1981 s-class
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Body Style
Saloon/Sedan Esteem, City, Ikon, SX4, Verna, Camry etc. Station Wagon/Estate Tata Estate Roadster Coupe Maruti Zen Hatchback/notchback Palio, Indica, Zen Cabriolet Sand storm (san motors) Tall Boy Santro Van Omni MUV Tavera, Innova SUV Tata Safari Pick up Vehicle Tata mobile Bus/Trucks Tata, Ashok Leyland, AMW
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SR. NO. MODEL
DESIGNATION SALES
DESIGNATION ENGINE CODE
TYPE
1 V221 S300 L M212 V
2 463 G55 AMG M113 V
3 463 G350 Bluetech OM643 V
4 172 SLK350 M276 V
5 230 SL63 AMG M156 V
6 W204 C 63 AMG M156 V
7 218 CLS350 M276 V
8 251 R350 4Matic M272 V
9 164 ML350 CDI OM642 V
10 X164 GL350 CDI OM642 V
Model designation
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MODEL
DESIGATION SR. NO. SALES
DESIGNATION ENGINE
CODE TYPE
W204 C Class 1 C200 CGI M271 I
2 C250 M272 V
3 C220 CDI OM651 I
4 C250 CDI OM651 I
W212 E Class 1 E250 M272 V
2 E350 M272 V
3 E200 CGI M271 I
4 E350 CGI M276 V
5 E250 CDI OM651 I
6 E350 CDI OM642 V
V221 S Class 1 S350 L M272 V
2 S350 L CGI M276 V
3 S500 L CGI M278 V
4 S500 L M273 V
5 S350 CDI OM642 V
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SL. NO. NOMENCLATURE MODEL CODE
1 A-class 168,169,176
2 B-class 242,245,246
3 C-class 201,202,203,204,205
4 CLA-class 117
5 CLK-class 208,209
6 CLS-class 218,219
7 CL-class 140,215,216
8 E-class 207,210,211,212
9 G-class 460,461,463
10 GL-class 166,164,
11 GLC-class 253
12 GLK-class 204
13 GLA-class 156
14 GLE-class 292
15 M-class 163,164,166
16 S-class 126,140,217,220,221,222
17 SLK-class 170,171,172
18 SL-class 107,129,230,231
19 SLS-class 197
20 R-class 251
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Engine Designation & Engine Identification Number
112 910 3 0 000100
112 Engine Designation Number
910 Engine Version Number
3 Code of Manufacturing Plant
If
2 Mannhiem (Truck Engine) 3 Stuttgart (Engine 112/113/166/611/688) 4 Berlin (Smart Engine)
0 Million Overflow unit
000100 Engine Serial Number
Note:- If Engine Designation Number starts with 1 or 2 then it is a Petrol engine and if starts with 6 then it is a diesel engine.
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MaintainceBasic ServiceEngine oil (check by deep stick) (according to engine
quantity)Brake fluid(1ltr)Windshield washer levelWater DrainsOil Filter (replace every year)Air Filter (replace as required)Fuel Filter (replace in service B for Diesel vehicles)AC dust filter (replace as required)Antifreez coolant gravity ( change at 1,50,000 kms)Check wiper operation and cleaning
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Spark plug (replace in every 4 year)Headlamp rangeClean sliding roof guide railsTire condition/tire tread depthAdjust tyre pressure Check battery condition with Midtronic Power sterring oil levelBrake disc thickness (vernier calliper)Brake pad thickness Brake wear sensor for any damageQuick testReset service indicatorNote:- every service perform after 15,000 kms or 1 year
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Inspection points engine compartmentEngine mountingsStarter operation, for any abnormal noiseCheck for any abnormal noise All fuel line routing/damageWiring harness routing /damagesDrive pulley movementCheck poly V belt for damages and wear
Inspection points transmissionTransmission fluid (replace at every 60,000 kms)Transmission mounting Transmission oil leaks
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EGRIt is a Nitrogen oxide emission reduction technique .
It recirculates a part of exhaust gas to the intake manifold.
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Location of EGR
EGR valve
It is located between inlet and exhaust manifold.
It provides passage for exhaust gases from exhaust to inlet manifold
Cylinder head
Intake manifold
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Components of EGR
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EGR in 651 engineEGR valve
EGR cooler
Intake manifold
Turbocharger
Exhaust manifold
Per-cooler
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Automatic Transmission• It is a medium which Transmits the Engine Power to the
Wheels
The transmission is located between engine and propeller shaft
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Automatic Manual
Comparison between Automatic & Manual Transmission
Gears shifts Automatically Gears are shifted Manually
Torque converter is present
Clutch is present
Uninterrupted power flow
Interrupted power flow
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A turbocharger is an exhaust driven turbine.
It compresses the air and sent it to engine.
Which boost the engine’s power.
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History The technique of sending forced air into
combustion chamber in an I.C engine was invented by Gottlieb Daimler in 1885.
The turbocharger was invented in 1905 by Swiss engineer “Alfred Buchi”.
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Revolution with mercedes benz cars
The world's first diesel automobile with turbocharger was Mercedes 300SD introduced in 1978.
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Necessity of turbo charger
Uses waste energy of exhaust gases for driving the turbine.
Produces more power with same engine capacity.
Reduces fuel consumption as more amount of air is forced in.
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Volumetric efficiency It is the ratio of volume of air intake to
total cylinder volume.
Volumetric efficiency =__________________ Volume of air intakeTotal cylinder volume
x 100%
Volume of air intake=300 ccTotal volume of cylinder=400 cc
Volumetric efficiency= _____ = 75%
400
300
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Real Image of 2-Stage turbocharger in om651
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INTRODUCTION TO STEERING SYSTEM
The steering system is the collection of component and linkages.
It allows a vehicle to follow certain path desired by the driver through the steering wheel.
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COMPONENTS OF STEERING SYSTEM
Steering wheel
Steering shaft
Steering gear box
Tie rod
Tie rod ends
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ELECTRICAL POWER STEERING SYSTEM
It is electrically operated.
Electric motor is used for the steering assistance.
Control Unit takes the several values i.e. vehicle speed and command the motor to switched on.
For motor, Current is drawn from the charging system.
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