Troubleshooting and Repairing Diesel Engines, 5th Edition

by Paul Dempsey

Overview

Solve Diesel Engine Problems Quickly and Easily Using the Latest Methods

This hands-on guide shows, step by step, how to save time and money by learning to identify and fix virtually any diesel engine problem yourself. Thoroughly updated to cover the latest advances in diesel technology, Troubleshooting and Repairing Diesel Engines, Fifth Edition contains hundreds of drawings, schematics, and photographs to ensure success and avoid frustration.

This fully revised classic resource equips you with all of the techniques you need to keep diesel engines running in top condition.

Inside, you’ll find:

• Up-to-date coverage of biodiesel and green fuels
• Step by step troubleshooting procedures •New engine repair procedures and tools
• The latest turbocharging methods
• Details on new diesel/hydrogen and diesel/methane engines

Product Details

ISBN-13:	9781260116434
Publisher:	McGraw Hill LLC
Publication date:	04/20/2018
Pages:	416
Product dimensions:	7.30(w) x 9.10(h) x 1.00(d)

About the Author

Paul Dempsey is a master mechanic. He is the author of more than 30 technical books, including Small Gas Engine Repair 4th Edition.

Table of Contents

Foreword xi

1 Rudolf Diesel 1

2 Diesel basics 9

Compression ratio 9

Induction 12

Ignition and combustion 13

Two- and four-stroke-cycle 15

Power and torque 18

Fuel efficiency 18

Weight 19

Durability 19

Conventional fuels 20

3 Engine installation 23

Trucks and other motor vehicles 23

Stationary engines 26

Marine engines 30

4 Basic troubleshooting 39

Malfunctions 40

Tests 42

Air inlet system 52

Glow plugs 54

Exhaust backpressure 54

Engine mechanical 55

5 Mechanical feel systems 61

Air blast 61

Early common-rail 61

Jerk pump system 62

Inline pumps 63

Distributor pumps 67

Delivery valves 74

Injectors 76

Timers 79

Diaphragm controls 81

Centrifugal governors 82

Pneumatic governors 85

Unit injection 87

Low-pressure system 90

Fuel filters and water separators 92

6 Electronic engine management systems 95

Tools and resources 95

Analog and digital 97

Onboard computer 98

EFI systems 100

Sensors 113

Actuators 116

Lift pump 117

EMS troubleshooting 120

Ford 7.3L Power Stroke 130

7 Cylinder heads and valves 137

Combustion chamber types 138

Valve configuration 142

Before you begin 145

8 Engine mechanics 175

Scope of work 175

Diagnosis 177

Rigging 177

Special considerations 179

Cleaning 186

Teardown 187

Lubrication system 187

Filters 193

Block casting 202

Pistons 215

Connecting rods 224

Crankshafts 231

Camshafts and related parts 235

Harmonic balancers 237

Crankshaft bearings 237

Assembly-major components 239

9 Air systems 253

Air cleaners 253

Turbochargers 257

Compressor map 264

VGTs 265

Aftercoolers 268

Troubleshooting 268

10 Electrical fundamentals 275

Electrons 275

Circuits 276

Electrical measurements 279

Ohm's law 280

Direct and alternating current 282

Magnetism 285

Electromagnets 286

Voltage sources 287

Generator principles 287

Direct-current motors 291

Storage batteries 294

Switches 296

Diodes 301

11 Starting and generating systems 303

Starting aids 304

Wiring 305

Starter circuits 311

Solenoids 320

Starter drives 323

Charging systems 324

Voltage regulation 333

Solid-state regulators 334

Batteries 334

12 Cooling systems 341

Air cooling 341

Liquid cooling 343

13 Greener diesels 361

Diesel emissions 361

Emissions controls 363

Diesel debacle 372

Biodiesel 373

Straight vegetable oil 376

Natural gas 379

Compressed natural gas (CNG) 379

LNG 381

Renewable natural gas (RNG) 385

Index 387