Komatsu D155AXi -8 Shop Manual page 19

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00 INDEX AND FOREWORD
S-4 ENGINE STARTABILITY IS POOR.......................................................................................40-1418
S-5 ENGINE DOES NOT PICK UP SMOOTHLY ........................................................................40-1420
S-6 ENGINE STOPS DURING OPERATION ..............................................................................40-1422
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE ........................................................................40-1424
S-8 ENGINE LACKS POWER.....................................................................................................40-1425
S-9 KDPF GETS CLOGGED IN A SHORT TIME ........................................................................40-1427
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE ..................................................................40-1429
S-11 OIL BECOMES CONTAMINATED QUICKLY ......................................................................40-1430
S-12 FUEL CONSUMPTION IS EXCESSIVE .............................................................................40-1431
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) .......
................................................................................................................................................40-1432
S-14 OIL PRESSURE DROPS ...................................................................................................40-1433
S-15 FUEL MIXES INTO ENGINE OIL........................................................................................40-1435
S-16 WATER MIXES INTO ENGINE OIL (MILKY) ......................................................................40-1436
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) ....................................40-1437
S-18 UNUSUAL NOISE IS HEARD.............................................................................................40-1438
S-19 VIBRATION IS EXCESSIVE ...............................................................................................40-1439
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT.................................................................40-1440
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY ................................................40-1441
S-22 ACTIVE REGENERATION TAKES TIME............................................................................40-1443
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION..............................40-1444
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE ...................................................................40-1445
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR) ..........................................................40-1447
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES).........................40-1448
50 DISASSEMBLY AND ASSEMBLY............................................................................................................. 50-1
CONTENTS ............................................................................................................................................ 50-2
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY .......................................................... 50-8
HOW TO READ THIS MANUAL....................................................................................................... 50-8
COATING MATERIALS LIST.......................................................................................................... 50-10
SPECIAL TOOLS LIST .................................................................................................................. 50-15
SKETCHES OF SPECIAL TOOLS................................................................................................. 50-42
ENGINE AND COOLING SYSTEM....................................................................................................... 50-69
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY .................................................................. 50-69
REMOVE AND INSTALL INJECTOR ASSEMBLY ......................................................................... 50-77
REMOVE AND INSTALL FUEL DOSER ASSEMBLY .................................................................... 50-92
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY .............................................................. 50-94
REMOVE AND INSTALL EGR VALVE ASSEMBLY.......................................................................50-121
REMOVE AND INSTALL EGR COOLER ASSEMBLY...................................................................50-124
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY ..........................................................50-129
REMOVE AND INSTALL ALTERNATOR BELT .............................................................................50-132
REMOVE AND INSTALL RADIATOR ASSEMBLY ........................................................................50-135
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY ...............................................50-144
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY................................................................50-147
REMOVE AND INSTALL COOLING FAN DRIVE ASSEMBLY ......................................................50-151
REMOVE AND INSTALL COOLING FAN MOTOR ASSEMBLY ....................................................50-155
REMOVE AND INSTALL ENGINE ASSEMBLY.............................................................................50-157
REMOVE AND INSTALL ENGINE FRONT OIL SEAL ..................................................................50-171
REMOVE AND INSTALL ENGINE REAR OIL SEAL.....................................................................50-177
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY .................................................................50-183
REMOVE AND INSTALL FUEL TANK ASSEMBLY .......................................................................50-189
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY ............................................................50-196
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY..............................50-207
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR ................................................................50-218
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER .............................................................50-220
REMOVE AND INSTALL KDPF ASSEMBLY.................................................................................50-221
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY ............................................................50-229
REMOVE AND INSTALL SCR ASSEMBLY...................................................................................50-239
REMOVE AND INSTALL KDPF, SCR ASSEMBLY........................................................................50-247
D155AXI-8
INDEX
00-17

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