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Table of Contents QSM11 Engine Safety Precautions............................................... 7 Applicable Models................................................ 7 QSM11 Engine..................................................... 8 Important Reference Numbers....................................... 9

Introduction ......................................................... 10 To the Owner and Operator........................................ 10 About the Manual ......................................................... 10 How to Use the Manual .............................................. 11 Illustrations..................................................................... 11 General Safety Instructions.......................................... 12 General Repair Instructions ......................................... 15 General Cleaning Instructions...................................... 17 Acronyms and Abbreviations ....................................... 25

Engine Identification........................................... 26 Engine Data Plate ........................................................ 26 ECM Dataplate.............................................................. 27 Cummins Engine Nomenclature .................................. 27 Fuel Injection Pump Data Plate .................................. 27 Engine Diagrams .......................................................... 28 Engine Specification ..................................................... 30

Operating Instructions........................................ 32 Operating Instructions - Overview ............................... 32 Normal Starting Procedure........................................... 33 Cold Weather Starting.................................................. 35 Starting Procedure After Extended Shutdown or Oil Change .......................................................................... 36 Operating the Engine ................................................... 36 Engine Operating Range.............................................. 38 Engine Shutdown.......................................................... 39 Electronic Controlled Fuel System .............................. 39 Fuel System Description .............................................. 44 Programmable Features ............................................... 45

QSM11 Engine

SP001669 Page 3

Daewoo doosan dl420 wheel loader service repair manual  
Daewoo doosan dl420 wheel loader service repair manual  
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