Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Service Repair Shop Manual - WEBM000101

This Complete Service Repair Workshop Manual PDF Download for the PC12R-8, PC15R-8 Komatsu Hydraulic has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.


APPLICABLE MODELS :

Komatsu PC12R-8 - S/N: F22426 and up
Komatsu PC15R·B - S/N: F31605 and up


TABLE OF CONTENTS :

10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 REMOVAL AND INSTALLATION
40 MAINTENANCE STANDARD


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : WEBM000101
Total Pages : 324


This 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 is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need or all manual.

Instant download means no shipping cost or waiting for a CD to arrive in the mail…you will receive this manual today via instant download on completion of payment via our secure payment processor. We accept all major credit/debit cards/paypal.

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CONTENTS

LIST OF REVISED PAGES
SAFETY
FOREWORD
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
COATING MATERIALS
ELECTRIC WIRE CODE
WEIGHT TABLE
TABLE OF OIL AND COOLANT QUANTITIES

10.STRUCTURE AND FUNCTION
POWER TRAIN
SWING CIRCLE
SWING MOTOR
FINAL DRIVE
TRACK FRAME AND RECOIL SPRING
VARIABLE GAUGE TRACK FRAME AND RECOIL SPRING
CARRIER ROLLER
STEEL SHOE
HYDRAULIC SYSTEM PC12R-8
HYDRAULIC SYSTEM PC15R-8
HYDRAULIC CIRCUIT DIAGRAM PC12R-8
HYDRAULIC CIRCUIT DIAGRAM PC12R-8 MISTRAL
HYDRAULIC CIRCUIT DIAGRAM PC12R-8 HS
HYDRAULIC CIRCUIT DIAGRAM PC12R-8 MISTRAL HS
HYDRAULIC CIRCUIT DIAGRAM PC15R-8
HYDRAULIC CIRCUIT DIAGRAM PC15R-8 HS
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC PUMP
CONTROL VALVE PC12R-8 PC12R-8 MISTRAL
CONTROL VALVE PC12R-8 HS PC12R-8 MISTRAL HS
CLSS
CONTROL VALVE PC15R-8
CLSS
SWIVEL JOINT
TRAVEL MOTOR
CYLINDERS
VALVE CONTROL
ACCUMULATOR
PPC VALVE
PPC VALVE
SOLENOID VALVE
VARIABLE GAUGE UNDERCARRIAGE SERVOCONTROL
SAFETY VALVE
CUTTING SHOVEL CONTROL VALVE
ELECTRICAL CIRCUIT DIAGRAM

20.TESTING AND ADJUSTMENTS
NORMAL OR STANDARD TECHNICAL DATA
SPECIAL TOOLS
CHECKING THE ENGINE SPEED
ADJUSTMENT OF VALVE CLEARANCE
MEASUREMENT OF THE COMPRESSION PRESSURE
CONTROL AND ADJUSTMENT OF THE TENSION OF THE FAN BELT
CONTROL AND ADJUSTMENT OF THE INJECTION TIMING
CONTROL AND ADJUSTMENT OF THE ACCELERATOR STROKE
ADJUSTMENT OF THE STROKE OF THE BLADE COMMAND LEVER
CONTROL AND ADJUSTMENT OF THE STROKE OF THE TRAVEL LEVER
CENTERING ADJUSTMENT OF THE BOOM SWING COMMAND PEDAL
ADJUSTMENT OF THE RUBBER PAD AND SAFETY MICROSWITCH FOR SERVO-CONTROL ENGAGEMENT
CONTROL AND ADJUSTMENT OF THE TRACK-SHOE TENSION
CONTROL AND REGULATION OF THE PRESSURE IN THE HYDRAULIC CIRCUITS (PC12R)
CONTROL AND REGULATION OF THE PRESSURES IN THE HYDRAULIC CIRCUITS (PC15R)
CONTROL AND REGULATION OF THE LS DIFFERENTIAL PRESSURE AND ADJUSTMENT OF THE LS VALVE
REGULATION OF THE PC VALVE
CONTROL AND REGULATION OF THE SERVO-CONTROL POWER SUPPLY (PC12R)
CONTROL AND REGULATION OF THE SERVO-CONTROL POWER SUPPLY (PC15R)
ELIMINATION OF RESIDUAL PRESSURES - PRESSURISATION OF THE TANK
BLEEDING AIR FROM THE HYDRAULIC CIRCUITS
CONTROL OF HYDRAULIC DRIFTS - ANALYSIS OF THE CAUSES OF A DRIFT
CHECKING FOR ANY LEAKAGES INSIDE THE WORKING EQUIPMENT CYLINDERS
CHECKING FOR ANY LEAKAGES INSIDE THE SWING MOTOR
METHODS FOR TESTING FOR LEAKAGES INSIDE THE SWIVEL JOINT

30.REMOVAL AND INSTALLATION
HOW TO READ THE MANUAL
PRECAUTIONS TO BE TAKEN WHILE WORKING
SPECIAL TOOLS
STARTER MOTOR
ALTERNATOR
PUMP GROUP
INJECTION NOZZLES
CYLINDER HEAD
OIL COOLER
RADIATOR
ENGINE HOOD
CAB AND CANOPY
HEATING FAN
REAR COUNTERWEIGHT
TOP COVER AND SIDE PANELS
HYDRAULIC OIL TANK
FUEL TANK
ENGINE-PUMP GROUP
PUMP
ENGINE-PUMP COUPLING
CONTROL VALVE
RIGHT-HAND PPC VALVE (BOOM-BUCKET)
LEFT-HAND PPC VALVE (ARM-BUCKET)
SERVOCONTROL SOLENOID GROUP (PC12 WITHOUT TRAVEL INCREMENT)
SERVOCONTROL SOLENOID GROUP (PC12 WITH TRAVEL INCREMENT - PC15R)
SWIVEL JOINT
SWING MOTOR
REVOLVING FRAME
SWING CIRCLE
TRAVEL MOTOR
RUBBER TRACK SHOES
TRACK-SHOES
SPROCKET WHEEL
COMPLETE FINAL DRIVE
FINAL DRIVE
IDLER AND RECOIL SPRING ASSEMBLY
IDLER
SPRING RECOIL AND THRUST CYLINDER GROUPS
TRACK ROLLERS
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
BOOM SWING CYLINDER
BLADE CYLINDER
WORKING EQUIPMENT CYLINDER
UPPER WORKING EQUIPMENT
BUCKET
ARM
BOOM
BOOM SWING SUPPORT
BLADE

40.STANDARD MAINTENANCE
SWING CIRCLE
TRACK FRAME AND RECOIL SPRING
VARIABLE GAUGE TRACK FRAME AND RECOIL SPRING
IDLER
FINAL DRIVE
SPROCKET
TRACK ROLLER
TRACK SHOE
HYDRAULIC PUMP
CONTROL VALVE
SWIVEL JOINT
SWING MOTOR
TRAVEL MOTOR
CYLINDERS PC12R-8
CYLINDERS PC15R-8
WORK EQUIPMENT PC12R-8
WORK EQUIPMENT PC15R-8

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