KOMATSU PC12R-8 PC15R-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL (WEBM000100) KOMATSU PC12R-8 PC15R-8 – PDF DOWNLOAD

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KOMATSU PC12R-8 PC15R-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL (WEBM000100) KOMATSU PC12R-8 PC15R-8

KOMATSU PC12R-8 PC15R-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL (WEBM000100) KOMATSU PC12R-8 PC15R-8 – PDF DOWNLOAD:

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KOMATSU PC12R-8 PC15R-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL (WEBM000100) KOMATSU PC12R-8 PC15R-8

• This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator 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. The manual is divided into chapters on each main group of components; these chapters are further divided into the following sections.
• STRUCTURE AND FUNCTION
  This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
• TESTING AND ADJUSTING
  This sections 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 PC12R-8 PC15R-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL (WEBM000100) KOMATSU PC12R-8 PC15R-8

CONTENTS.....................................................................................  3
LIST OF REVISED PAGES........................................................................  5
SAFETY.......................................................................................  7
FOREWORD.....................................................................................  9
HOW TO READ THE SHOP MANUAL.................................................................. 10
HOISTING INSTRUCTIONS........................................................................ 11
STANDARD TIGHTENING TORQUE................................................................... 12
COATING MATERIALS............................................................................ 13
ELECTRIC WIRE CODE........................................................................... 14
WEIGHT TABLE................................................................................. 15
TABLE OF OIL AND COOLANT QUANTITIES.......................................................... 16
10. STRUCTURE AND FUNCTION................................................................... 17
	POWER TRAIN.............................................................................. 18
	SWING CIRCLE............................................................................. 20
	SWING MOTOR.............................................................................. 21
	FINAL DRIVE.............................................................................. 22
	TRACK FRAME AND RECOIL SPRING............................................................ 23
	CARRIER ROLLER........................................................................... 25
	STEEL SHOE............................................................................... 26
	HYDRAULIC SYSTEM......................................................................... 27
	HYDRAULIC CIRCUIT DIAGRAM................................................................ 31
	HYDRAULIC PUMP........................................................................... 35
	CONTROL VALVE............................................................................ 40
	CLSS..................................................................................... 48
	SWIVEL JOINT............................................................................. 91
	TRAVEL MOTOR............................................................................. 93
	CYLINDERS................................................................................ 96
	VALVE CONTROL............................................................................100
	ACCUMULATOR..............................................................................101
	PPC VALVE................................................................................102
	SOLENOID VALVE...........................................................................107
	CUTTING SHOVEL CONTROL VALVE.............................................................109
	ELECTRICAL CIRCUIT DIAGRAM...............................................................111
20. TESTING AND ADJUSTMENTS..................................................................113
	NORMAL OR STANDARD TECHNICAL DATA........................................................114
	SPECIAL TOOLS............................................................................135
	CHECKING THE ENGINE SPEED................................................................137
	ADJUSTMENT OF VALVE CLEARANCE............................................................138
	MEASUREMENT OF THE COMPRESSION PRESSURE..................................................139
	CONTROL AND ADJUSTMENT OF THE TENSION OF THE FAN BELT....................................140
	CONTROL AND ADJUSTMENT OF THE INJECTION TIMING...........................................141
	CONTROL AND ADJUSTMENT OF THE ACCELERATOR STROKE.........................................143
	ADJUSTMENT OF THE STROKE OF THE BLADE COMMAND LEVER......................................144
	CONTROL AND ADJUSTMENT OF THE STROKE OF THE TRAVEL LEVER.................................145
	CENTERING ADJUSTMENT OF THE BOOM SWING COMMAND PEDAL.....................................146
	ADJUSTMENT OF THE PPC VALVE CLEARANCES...................................................147
	ADJUSTMENT OF THE RUBBER PAD AND SAFETY MICROSWITCH FOR SERVO-CONTROL ENGAGEMENT.........148
	CONTROL AND ADJUSTMENT OF THE TRACK-SHOE TENSION.........................................149
	CONTROL AND REGULATION OF PRESSURE IN THE HYDRAULIC CIRCUIT..............................150
	CONTROL AND REGULATION OF THE LS DIFFERENTIAL PRESSURE AND ADJUSTMENT OF THE LS VALVE....156
	REGULATION OF THE PC VALVE...............................................................158
	CONTROL AND REGULATION OF THE SERVOCONTROL POWER SUPPLY..................................159
	ELIMINATION OF RESIDUAL PRESSURES - PRESSURISATION OF THE TANK...........................161
	BLEEDING AIR FROM THE HYDRAULIC CIRCUITS.................................................162
	CONTROL OF HYDRAULIC DRIFTS - ANALYSIS OF THE CAUSES OF A DRIFT..........................164
	CHECKING FOR ANY LEAKAGES INSIDE THE WORKING EQUIPMENT CYLINDERS.........................170
	CHECKING FOR ANY LEAKAGES INSIDE THE SWING MOTOR.........................................171
	METHODS FOR TESTING FOR LEAKAGES INSIDE THE SWIVEL JOINT.................................172
30. REMOVAL AND INSTALLATION.................................................................175
	HOW TO READ THE MANUAL...................................................................177
	PRECAUTIONS TO BE TAKEN WHILE WORKING....................................................178
	SPECIAL TOOLS............................................................................179
	STARTER MOTOR............................................................................181
	ALTERNATOR...............................................................................182
	PUMP GROUP...............................................................................183
	INJECTION NOZZLES........................................................................184
	CYLINDER HEAD............................................................................185
	OIL COOLER...............................................................................189
	RADIATOR.................................................................................190
	ENGINE HOOD..............................................................................191
	CAB AND CANOPY...........................................................................192
	HEATING FAN..............................................................................194
	REAR COUNTERWEIGHT.......................................................................195
	TOP COVER AND SIDE PANELS................................................................196
	HYDRAULIC OIL TANK.......................................................................198
	FUEL TANK................................................................................201
	ENGINE PUMP GROUP........................................................................202
	PUMP.....................................................................................205
	ENGINE PUMP COUPLING.....................................................................206
	CONTROL VALVE............................................................................207
	RIGHT-HAND PPC VALVE (BOOM-BUCKET).......................................................209
	LEFT-HAND PPC VALVE (ARM-BUCKET).........................................................210
	SERVOCONTROL SOLENOID GROUP..............................................................211
	SWIVEL JOINT.............................................................................213
	SWING MOTOR..............................................................................214
	REVOLVING FRAME..........................................................................215
	SWING CIRCLE.............................................................................217
	TRAVEL MOTOR.............................................................................218
	RUBBER TRACK SHOES.......................................................................219
	TRACK SHOES..............................................................................220
	SPROCKET WHEEL...........................................................................221
	FINAL DRIVE..............................................................................222
	IDLER AND RECOIL SPRING ASSEMBLY.........................................................233
	TRACK ROLLERS............................................................................236
	BOOM CYLINDER............................................................................237
	ARM CYLINDER.............................................................................238
	BUCKET CYLINDER..........................................................................239
	BOOM SWING CYLINDER......................................................................240
	BLADE CYLINDER...........................................................................241
	WORKING EQUIPMENT CYLINDER...............................................................242
	UPPER WORKING EQUIPMENT..................................................................248
	BUCKET...................................................................................250
	ARM......................................................................................251
	BOOM.....................................................................................253
	BOOM SWING SUPPORT.......................................................................255
	BLADE....................................................................................256
40. STANDARD MAINTENANCE.....................................................................257
	SWING CIRCLE.............................................................................258
	TRACK FRAME AND RECOIL SPRING............................................................259
	IDLER....................................................................................260
	FINAL DRIVE..............................................................................261
	SPROCKET.................................................................................262
	TRACK ROLLER.............................................................................263
	TRACK SHOE...............................................................................264
	HYDRAULIC PUMP...........................................................................266
	CONTROL VALVE............................................................................268
	SWIVEL JOINT.............................................................................280
	SWING MOTOR..............................................................................281
	TRAVEL MOTOR.............................................................................282
	PPC VALVE................................................................................286
	CYLINDERS................................................................................290
	WORK EQUIPMENT...........................................................................292

PLEASE NOTE:

⦁ This is the SAME exact manual used by your dealers to fix your vehicle.
⦁ The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
⦁ Any queries / doubts regarding your purchase, please feel free to contact [email protected]