Komatsu CD30R-1 Shop Manual SEBM015701 – PDF DOWNLOAD

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Komatsu CD30R-1 Shop Manual SEBM015701 – PDF DOWNLOAD

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Komatsu CD30R-1 Shop Manual SEBM015701 – PDF DOWNLOAD

Language : English
Pages :208
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu CD30R-1 Shop Manual SEBM015701 – PDF DOWNLOAD

FOREWORD
GENERAL

• This shop manual has been prepared as an aid to improve the quality of repairs by
  giving the serviceman an accurate understanding of the product and by showing him the correct way
  to perform repairs and make judgements. Make sure you understand the contents of this manual and
  use it to full effect at every opportunity.
• This shop manual mainly contains the necessary technical information for operations performed
  in a service workshop. For ease of understanding, the manual is divided into the following
  chapters; these chapters are further divided into the each main group of components.
• STRUCTURE AND FUNCTION
  This section explains the structure and function of each component. It serves not on.ly to give
  an understanding of the structure, but also serves as reference material for troubleshooting.
• TESTING AND ADJUSTING
  This section explains checks to be made before and after performing repairs, as well
  as adjustments to be made at completion of the checks and repairs.
  Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
• DISASSEMBLY AND ASSEMBLY
  This section explains the order to be followed when removing, installing, disassembling
  or assembling each component, as well as precautions to be taken for these operations.
• MAINTENANCE STANDARD
  This section gives the judgement standards when inspecting disassembled parts.

TABLE OF CONTENTS:

Komatsu CD30R-1 Shop Manual SEBM015701 – PDF DOWNLOAD

COVER 1
CONTENTS 2
01 GENERAL 25
GENERAL ASSEMBLY DRAWING 26
SPECIFICATIONS 27
WEIGHT TABLE 30
TABLE OF OIL AND COOLANT CAPACITIES 31
10 STRUCTURE AND FUNCTION 33
RADIATOR AND OIL COOLER 34
DAMPER COUPLING 35
ENGINE CONTROL 36
POWER TRAIN SYSTEM DIAGRAM 37
SWING CIRCLE 38
SWING MACHINERY 39
TRACK FRAME 40
IDLER CUSHION 41
TRACK ROLLER BOGIE 42
TRACK SHOE 43
HYDRAULIC PIPING DRAWING 44
HYDRAULIC TANK 46
HYDRAULIC PUMP 47
CONTROL VALVE 54
SWING MOTOR 59
TRAVEL MOTOR 64
CENTER SWIVEL JOINT 74
VALVE CONTROL 75
SWING PPC VALVE 76
SOLENOID VALVE 80
WORK EQUIPMENT 82
MACHINE MONITOR SYSTEM 83
20 TESTING AND ADJUSTING 89
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS 90
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS 91
STANDARD VALUE TABLE FOR ELECTRICAL PARTS 96
TESTING AND ADJUSTING 99
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING100
MEASURING ENGINE SPEED101
MEASURING EXHAUST COLOR102
ADJUSTING VALVE CLEARANCE103
MEASURING COMPRESSION PRESSURE104
TESTING AND ADJUSTING FUEL INJECTION TIMING105
MEASURING ENGINE OIL PRESSURE106
TESTING AND ADJUSTING FAN BELT TENSION107
ADJUSTING FUEL CONTROL LEVER AND PEDAL108
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN TRAVEL CIRCUIT111
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING CIRCUIT113
TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE115
TESTING SOLENOID VALVE OUTPUT PRESSURE116
MEASURING PPC VALVE OUTPUT PRESSURE (FOR SWING)117
ADJUSTING PPC VALVE (FOR SWING)118
TESTING TRAVEL DEVIATION119
MEASURING OIL LEAKAGE120
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT121
TESTING AND ADJUSTING TRACK SHOE TENSION122
BLEEDING AIR123
TROUBLESHOOTING125
POINTS TO REMEMBER WHEN TROUBLESHOOTING126
SEQUENCE OF EVENTS IN TROUBLESHOOTING127
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE128
CHECKS BEFORE TROUBLESHOOTING136
CONNECTOR TYPES AND MOUNTING LOCATIONS137
CONNECTOR ARRANGEMENT DIAGRAM139
CONNECTOR TABLE FOR CONNECTOR PIN NUMBERS142
METHOD OF USING TROUBLESHOOTING CHARTS148
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)150
E-MODE RELATED ELECTRICAL CIRCUIT DIAGRAM151
E-1 ENGINE DOES NOT START152
a) WHEN STARTING MOTOR DOES NOT TURN (STARTING SYSTEM)152
b) WHEN STARTING MOTOR TURNS (ENGINE STOP SOLENOID SYSTEM)155
E-2 ENGINE DOES NOT STOP157
E-3 TRAVEL SPEED DOES NOT INCREASE EVEN TRAVEL BOOST PEDAL IS DEPRESSED158
a) DOES NOT HI158
b) DOES NOT LO159
E-4 DOES NOT SWING160
E-5 SWING BRAKE HAS NO EFFECT (THERE IS EXCESSIVE HYDRAULIC DRIFT)161
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)163
TABLE OF FAILURE MODES AND CAUSES164
H-1 SPEEDS OF SWING, TRAVEL, DUMP BODY ARE SLOW166
a) SWING SPEED IS SLOW166
b) TRAVEL, DUMP BODY SPEED IS SLOW166
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS167
H-3 SWING, TRAVEL, DUMP BODY DO NOT MOVE, OR SPEED IS EXTREMELY SLOW167
a) SWING DOES NOT MOVE, OR SPEED IS EXTREMELY SLOW167
b) TRAVEL, DUMP BODY DO NOT MOVE, OR SPEED IS EXTREMELY SLOW167
H-4 SWING, TRAVEL, DUMP BODY LACK POWER168
H-5 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)168
H-6 DUMP BODY SPEED IS SLOW, OR LACKS POWER168
H-7 EXCESSIVE HYDRAULIC DRIFT (DUMP BODY)169
H-8 DEVIATES TO ONE SIDE WHEN TRAVELING169
H-9 LACKS POWER WHEN TRAVELING (OR SPEED IS SLOW) 170
H-10 TRAVEL SPEED DOES NOT SWITCH170
H-11 TRAVEL DOES NOT MOVE (ONE SIDE ONLY)171
H-12 TRAVEL LEVER IS HEAVY171
H-13 DOES NOT SWING171
a) DOES NOT SWING IN EITHER DIRECTION 171
b) DOES NOT SWING IN ONE DIRECTION (LEFT OR RIGHT)172
H-14 SWING SWING SPEED IS SLOW OR ACCELERATION IS POOR172
H-15 EXCESSIVE SHOCK WHEN STOPPING SWING173
H-16 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING173
H-17 EXCESSIVE HYDRAULIC DRIFT OF SWING173
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)175
MONITOR SYSTEM ELECTRICAL CIRCUIT DIAGRAM176
M-1 WHEN STARTING SWITCH IS TURNED ON, NO DISPLAY IS GIVEN177
M-2 WHEN STARTING SWITCH IS TURNED ON, EVEN WHEN SELF CHECK IS COMPLETED (ALL LAMPS LIGHT UP FOR 3 SECONDS), LAMPS DO NOT GO OUT177
M-3 WHEN STARTING SWITCH IS TURNED ON, SOME SELF CHECK LAMPS DO NOT LIGHT UP FOR 3 SECONDS178
a) NO GAUGE LAMPS LIGHT UP (FUEL, COOLANT TEMPERATURE)178
b) CAUTION LAMPS (ENGINE OIL PRESSURE, BATTERY CHARGE), PILOT LAMP (PREHEATING) DO NOT LIGHT UP178
M-4 DURING SELF CHECK (ALL LAMPS LIGHT UP FOR 3 SECONDS), EVEN IF STARTING SWITCH IS TURNED TO START, SELF CHECK IS NOT COMPLETED FOR 3 SECONDS178
M-5 WHEN STARTING SWITCH IS ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP179
M-6 WHEN STARTING SWITCH IS ON (ENGINE STOPPED), CHARGE CAUTION LAMP DOES NOT LIGHT UP179
M-7 WHEN STARTING SWITCH IS TURNED TO HEAT, PREHEATING PILOT LAMP DOES NOT LIGHT UP180
M-8 WHEN ENGINE IS RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP 180
M-9 WHEN ENGINE IS RUNNING, CHARGE CAUTION LAMP LIGHTS UP181
M-10 ABNORMALITY IN COOLANT TEMPERATURE GAUGE182
a) LEVEL DOES NOT RISE FROM SEGMENT C182
b) LEVEL DOES NOT GO DOWN FROM SEGMENT H, OR ALL SEGMENT GO OUT182
c) COOLANT TEMPERATURE DOES NOT MATCH GAUGE DISPLAY183
M-11 ABNORMALITY IN FUEL GAUGE184
a) LEVEL DOES NOT RISE FROM SEGMENT E OR ALL SEGMENTS GO OUT184
b) LEVEL DOES NOT GO DOWN FROM SEGMENT F 184
c) FUEL LEVEL DOES NOT MATCH GAUGE DISPLAY185
M-12 DEFECTIVE OPERATION OF ALARM BUZZER186
a) BUZZER DOES NOT SOUND186
b) BUZZER CONTINUES TO SOUND AND DOES NOT STOP186
M-13 WHEN ENGINE IS RUNNING, SERVICE METER DOES NOT ADVANCE187
a) WHEN CHARGE CAUTION LAMP DOES NOT LIGHT UP187
b) WHEN CHARGE CAUTION LAMP LIGHTS UP187
c) PILOT LAMP DOES NOT FLASH (SERVICE METER IS ACTUATED)187
M-14 NIGHT LIGHTING DOES NOT LIGHT UP188
a) GAUGE LIGHTING DOES NOT LIGHT UP188
b) SERVICE METER LIGHTING DOES NOT LIGHT UP188
40 MAINTENANCE STANDARD 189
SWING MACHINERY190
SWING CIRCLE191
TRACK FRAME, RECOIL SPRING192
IDLER193
CARRIER ROLLER194
TRACK ROLLER BOGIE195
TRACK ROLLER196
SPROCKET197
TRACK SHOE198
CONTROL VALVE200
TRAVEL VALVE202
SWING MOTOR203
CENTER SWIVEL JOINT204
SWING PPC VALVE205
90 OTHERS 206
HYDRAULIC CIRCUIT DIAGRAM207
ELECTRICAL CIRCUIT DIAGRAM208

IMAGES PREVIEW OF THE MANUAL:

S.M 13/12/24