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INDEX
30 TESTING AND ADJUSTING ..................................................................................................................... 30-1
CONTENTS ............................................................................................................................................ 30-2
ABBREVIATION LIST ............................................................................................................................. 30-6
RELATED INFORMATION ON TESTING AND ADJUSTING ................................................................ 30-12
TOOLS FOR TESTING AND ADJUSTING..................................................................................... 30-12
SKETCH OF TOOLS FOR TESTING AND ADJUSTING ............................................................... 30-22
ENGINE AND COOLING SYSTEM....................................................................................................... 30-23
TEST ENGINE SPEED .................................................................................................................. 30-23
TEST BOOST PRESSURE............................................................................................................ 30-28
TEST EXHAUST GAS TEMPERATURE ........................................................................................ 30-31
TEST EXHAUST GAS COLOR ...................................................................................................... 30-34
TEST AND ADJUST VALVE CLEARANCE .................................................................................... 30-38
TEST COMPRESSION PRESSURE.............................................................................................. 30-40
TEST BLOWBY PRESSURE ......................................................................................................... 30-45
TEST ENGINE OIL PRESSURE .................................................................................................... 30-48
TEST EGR VALVE AND KVGT OIL PRESSURE ........................................................................... 30-50
TEST FUEL PRESSURE ............................................................................................................... 30-52
TEST FUEL DISCHARGE, RETURN AND LEAKAGE ................................................................... 30-58
BLEED AIR FROM FUEL SYSTEM ............................................................................................... 30-65
TEST FUEL CIRCUIT FOR LEAKAGE .......................................................................................... 30-67
HANDLE CYLINDER CUT-OUT MODE OPERATION.................................................................... 30-69
HANDLE NO-INJECTION CRANKING OPERATION ..................................................................... 30-70
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE............................ 30-71
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS ................................. 30-72
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS .......................................................... 30-73
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION ................................. 30-74
TEST ALTERNATOR BELT............................................................................................................ 30-76
TEST AUTOMATIC TENSIONER .................................................................................................. 30-78
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER ................ 30-82
TEST SCR RELATED FUNCTIONS............................................................................................... 30-83
CLEAN AdBlue/DEF TANK ...........................................................................................................30-115
POWER TRAIN....................................................................................................................................30-120
TEST POWER TRAIN OIL PRESSURE........................................................................................30-120
ADJUST TRANSMISSION INPUT SHAFT SPEED SENSOR .......................................................30-137
ADJUST TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR........................................30-138
ADJUST TRANSMISSION OUTPUT SHAFT SPEED SENSOR ...................................................30-139
CHECK AFTER ADJUSTING TRANSMISSION SPEED SENSOR ...............................................30-140
FLUSH TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT ..........................30-141
MOVE DISABLED MACHINE DUE TO TRANSMISSION VALVE FAILURE..................................30-144
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE.......................................30-147
CHECK AND ADJUST DIFFERENTIAL LOCK HYDRAULIC OIL PRESSURE .............................30-148
STEERING SYSTEM ...........................................................................................................................30-152
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE ........................................................30-152
CHECK INTERNAL OIL LEAKAGE OF STEERING CYLINDER ...................................................30-154
BLEED AIR FROM STEERING CIRCUIT .....................................................................................30-155
CHECK AND ADJUST TOE-IN .....................................................................................................30-156
BRAKE SYSTEM .................................................................................................................................30-158
RELEASE REMAINING PRESSURE FROM BRAKE CIRCUIT ....................................................30-158
CHECK WHEEL BRAKE OIL PRESSURE....................................................................................30-159
TEST AND ADJUST ACCUMULATOR CHARGE PRESSURE .....................................................30-161
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BRAKE ..................30-164
BLEED AIR FROM BRAKE CIRCUIT ...........................................................................................30-169
TEST LOWERING OF WHEEL BRAKE PRESSURE....................................................................30-171
TEST WEAR OF WHEEL BRAKE DISC .......................................................................................30-172
TEST PARKING BRAKE OIL PRESSURE ....................................................................................30-173
RELEASE PARKING BRAKE MANUALLY ....................................................................................30-175
TEST AND ADJUST PARKING BRAKE PAD................................................................................30-176
HYDRAULIC SYSTEM.........................................................................................................................30-179
00-4
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00 INDEX AND FOREWORD
GD655-6, GD675-6
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