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DDC-SVC-MAN-0058

Oct 30, 2014

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SERIES 50 OPERATOR'S GUIDE

To the OperatorThis guide contains instructions on the safe operation and preventive maintenance of your Detroit Diesel Series 50 engine used in vehicle, stationary, construction/industrial, agricultural, generator set or re ghting apparatus applications. Maintenance instructions cover routine engine services such as lube oil and lter changes in enough detail to permit self-servicing, if desired. The operator should become familiar with the contents of this guide before operating the engine or carrying out maintenance procedures. Power-driven equipment is only as safe as the person operating the controls. You are urged, as the operator of this diesel engine, to keep ngers and clothing away from the revolving belts, drive shafts, pulleys, etc. on the engine installation. Throughout this guide CAUTIONS regarding personal safety and NOTICES regarding engine performance or service life will appear. To avoid personal injury and ensure long engine service life, always heed these instructions.

Whenever possible, it will benet you to rely on an authorized Detroit Diesel service outlet for all your service needs from maintenance to major parts replacement. Authorized service outlets worldwide stock factory-original parts and have the specialized equipment and experienced, trained personnel to provide prompt preventive maintenance and skilled engine repairs. The information and specications in this publication are based on the information in effect at the time of approval for printing. Contact an authorized Detroit Diesel service outlet for information on the latest revision. The right is reserved to make changes at any time without obligation.

All information subject to change without notice. (Rev. 01/04)

DDC-SVC-MAN-0058

Copyright 2004 DETROIT DIESEL CORPORATION

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NOTICE:Failure to check and maintain SCA (supplemental coolant additive) levels at required concentrations will result in severe damage (corrosion) to the engine cooling system and related components.Coolant must be inhibited with the recommended SCAs listed in this engine operator's guide.Refer to section How to Select Coolant. In addition, the engine can be equipped with a coolant lter/inhibitor system as an installed option or as an after-sale item.

Trademark InformationDetroit Diesel, DDC, DDEC, Series 50, Optimized Idle, ProManager, reliabilt, POWER Trac, POWER COOL, and POWER GUARD are registered trademarks of Detroit Diesel Corporation. Delco Remy is a registered trademark of Delco Remy America, Inc. Bosch is a registered trademark of Robert Bosch Company N.A. Fuel Pro, Sea Pro and Mega Filter are registered trademarks of Davco Manufacturing, L.L.C. The PowerBand is a registered trademark of Gates Rubber Company. Tectyl is a registered trademark of Daubert Chemical Company, Inc. Biobor is a registered trademark of United States Borax and Chemical Corporation. DuPont is a registered trademark of E.I. DuPont de Nemours and Company, Inc. All other trademarks used are the property of their respective owners.

WARRANTYThe limited warranties for each engine application are covered in the Limited Warranty pages of this guide and in the booklet, Warranty Information for Series 50 Engines, available from authorized Detroit Diesel service outlets.

Keep this Operator's Guide with the engine installation at all times. It contains important operating, maintenance, and safety instructions.

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DDC-SVC-MAN-0058

Copyright 2004 DETROIT DIESEL CORPORATION

All information subject to change without notice. (Rev. 01/04)

SERIES 50 OPERATOR'S GUIDE

TABLE OF CONTENTSINTRODUCTION .................................................................................. NON-GENUINE AND REBUILT COMPONENT QUALITY ALERT .. 1 1

CAUTION SUMMARY .......................................................................... 3 ENGINE OPERATION ..................................................................... 3 PREVENTIVE MAINTENANCE ....................................................... 4 ELECTRICAL SYSTEM ................................................................... 7 COOLING SYSTEM ......................................................................... 8 AIR INTAKE SYSTEM ...................................................................... 8 FUEL SYSTEM ................................................................................ 9 STARTING AIDS .............................................................................. 9 COMPRESSED AIR ......................................................................... 11 LUBRICATING OIL AND FILTERS .................................................. 11 ENGINE MODEL AND SERIAL NUMBER DESIGNATION ................ 12 OPTION LABELS ............................................................................. 13 CERTIFICATION LABELS ............................................................... 14 OPERATING INSTRUCTIONS FOR A FIRST TIME START .............. PREPARATIONS FOR STARTING THE ENGINE THE FIRST TIME ................................................................................................. COOLING SYSTEM CHECKS .................................................... LUBRICATION SYSTEM CHECKS ............................................. EXTENDED STORAGE .......................................................... FUEL SYSTEM CHECKS ............................................................ OTHER CHECKS ........................................................................ STARTING THE ENGINE ................................................................ INITIAL ENGINE START ............................................................. ELECTRIC STARTER ............................................................. AIR STARTER ......................................................................... RUNNING THE ENGINE ................................................................. OIL PRESSURE .......................................................................... WARM-UP ................................................................................... INSPECTION ............................................................................... AVOID UNNECESSARY IDLING ................................................. 15 15 15 16 16 17 18 18 19 19 20 20 20 20 20 21 iii

All information subject to change without notice. (Rev. 01/04)

DDC-SVC-MAN-0058

Copyright 2004 DETROIT DIESEL CORPORATION

TABLE OF CONTENTS

STOPPING THE ENGINE ................................................................ 21 EMERGENCY JUMP STARTING .................................................... 22 DDEC IV SYSTEM ............................................................................... DDEC SYSTEM .............................................................................. ENGINE PROTECTION .............................................................. IDLE SHUTDOWN TIMER .......................................................... CRUISE CONTROL ..................................................................... ENGINE BRAKES ....................................................................... DATA RECORDING CAPABILITY ............................................... DDEC IV OPERATION ..................................................................... IMMEDIATE SPEED REDUCTION OPTION ............................... STOP ENGINE LIGHT ................................................................. DIAGNOSTIC DATA READER .................................................... DIAGNOSTIC CODE LIST .......................................................... DDEC IV ENGINE DRIVING TIPS ....................................................... ACCELERATING THE VEHICLE ..................................................... CRUISE CONTROL ......................................................................... ENGINE BRAKES AND CRUISE CONTROL .................................. SHIFTING ........................................................................................ IDLING ............................................................................................. WINTER FRONTS ....................................................................... ENGINE BRAKE SYSTEM .................................................................. DRIVER CONTROL SWITCHES ..................................................... LOW/HIGH SWITCH ................................................................... LOW/MED/HIGH SWITCH .......................................................... CLUTCH PEDAL AND THROTTLE POSITION CONTROLS .......... ENGINE BRAKE OPERATION ........................................................ ANTI-LOCK BRAKING SYSTEMS ................................................... DRIVING ON FLAT, DRY PAVEMENT ............................................. DESCENDING A LONG, STEEP GRADE ....................................... DRIVING ON WET OR SLIPPERY PAVEMENT .............................. ENGINE SYSTEMS ............................................................................. FUEL SYSTEM ................................................................................ LUBRICATION SYSTEM ................................................................. AIR SYSTEM ................................................................................... COOLING SYSTEM ......................................................................... iv 23 23 24 24 24 26 27 27 28 28 28 30 37 37 37 39 39 40 40 41 41 41 41 41 41 42 43 43 44 46 46 46 46 46

DDC-SVC-MAN-0058

Copyright 2004 DETROIT DIESEL CORPORATION

All information subject to change without notice. (Rev. 01/04)

SERIES 50 OPERATOR'S GUIDE

ELECTRICAL SYSTEM ................................................................... 46 EXHAUST SYSTEM ..........