Komatsu D155AX-6 — TABLE OF CONTENTS

SEN00598-02 00 Index and foreword 30 Testing and adjusting Testing and adjusting, Part 1 SEN00679-01 Testing and adjusting, Part 1....................................................................................................... 3 Tools for testing, adjusting, and troubleshooting...................................................................... 3 Measuring engine speed ......................................................................................................... 5 Measuring intake air pressure (boost pressure) ......................................................................

7 Measuring exhaust temperature.............................................................................................. 8 Measuring exhaust gas color................................................................................................... 10 Adjusting valve clearance........................................................................................................ 11 Measuring compression pressure............................................................................................ 12 Measuring blow-by pressure....................................................................................................

14 Measuring engine oil pressure................................................................................................. 15 Handling fuel system parts ...................................................................................................... 16 Releasing residual pressure from fuel system......................................................................... 16 Measuring fuel pressure .......................................................................................................... 17 Measuring fuel return rate and fuel leakage ............................................................................

18 Bleeding air from fuel circuit .................................................................................................... 22 Measuring fuel circuit for leakage............................................................................................ 24 Testing and adjusting alternator belt tension ........................................................................... 25 Testing and adjusting air conditioner compressor belt tension ................................................ 26 Measuring fan speed ...............................................................................................................

27 Measuring fan circuit oil pressure............................................................................................ 28 Bleeding air from fan pump...................................................................................................... 29 Adjusting fuel control dial and decelerator pedal..................................................................... 30 Testing and adjusting, Part 2 SEN00680-01 Testing and adjusting, Part 2....................................................................................................... 3 Measuring power train oil pressure..........................................................................................

3 Adjusting transmission output shaft speed sensor .................................................................. 11 Simple test procedure for brake performance ......................................................................... 12 Adjusting brake pedal .............................................................................................................. 13 Adjusting parking brake lever .................................................................................................. 15 Emergency escape method when power train has trouble......................................................

17 Adjusting idler clearance.......................................................................................................... 20 Testing and adjusting track shoe tension................................................................................. 21 Measuring and adjusting work equipment and HSS oil pressure ............................................ 22 Measuring control circuit basic pressure ................................................................................. 26 Measuring work equipment lock solenoid valve output pressure ............................................

27 Emergency operation method when work equipment has trouble........................................... 28 Measuring ripper pin puller solenoid valve output pressure .................................................... 30 Testing parts which cause hydraulic drift of blade and ripper .................................................. 31 Measuring internal leakage of work equipment cylinder.......................................................... 32 Releasing residual pressure from work equipment cylinder .................................................... 33 Bleeding air from work equipment cylinder..............................................................................

33 Adjusting work equipment lock lever ....................................................................................... 34 Adjusting blade ........................................................................................................................ 35 Adjusting operator's cab .......................................................................................................... 37 Testing and adjusting, Part 3 SEN00681-01 Testing and adjusting, Part 3....................................................................................................... 2 Special functions of machine monitor (EMMS)........................................................................

2 Testing and adjusting, Part 4 SEN00682-01 Testing and adjusting, Part 4....................................................................................................... 2 Handling of power supply circuit of engine controller .............................................................. 2 Preparation work for troubleshooting of electrical system ....................................................... 3 Pm Clinic.................................................................................................................................. 5 6 D155AX-6