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KOMATSU PC300LL-6 LOGGING EXCAVATOR SERVICE SHOP REPAIR MANUAL
KOMATSU PC300LL-6 LOGGING EXCAVATOR SERVICE SHOP REPAIR MANUAL
MAIN MENU.................................................. 0 COVER...................................................... 1 CONTENTS................................................... 2 FOREWORD................................................... 5 SAFETY................................................. 5 SAFETY NOTICE...................................... 5 IMPORTANT SAFETY NOTICE........................ 5 GENERAL PRECAUTIONS............................ 5 PREPARATIONS FOR WORK.......................... 5 PRECAUTIONS DURING WORK........................ 5 GENERAL................................................ 7 HOW TO READ THE SHOP MANUAL............................ 8 VOLUMES............................................ 8 DISTRIBUTION AND UPDATING.......................... 8 FILING METHOD...................................... 8 REVISED EDITION MARK............................... 8 REVISIONS.......................................... 8 SYMBOLS............................................ 8 HOISTING INSTRUCTIONS.................................. 9 HOISTING........................................... 9 WIRE ROPES......................................... 9 COATING MATERIALS...................................... 10 STANDARD TIGHTENING TORQUE............................. 12 STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS....... 12 TIGHTENING TORQUE OF HOSE NUTS..................... 13 TIGHTENING TORQUE OF SPLIT FLANGE BOLTS............ 13 TIGHTENING TORQUE FOR FLARED NUTS.................. 13 ALTERNATIVE FASTENERS.............................. 14 BOLT IDENTIFICATION CHART...................... 14 GRADE 5 AND 8 NONPHOSPHATE COATED HARDWARE.... 15 GRADE 8 PHOSPHATE COATED HARDWARE.............. 16 STANDARD METRIC FASTENERS...................... 16 HYDRAULIC TUBES AND FITTINGS................... 17 HOSE CLAMPS.................................... 17 SPLIT FLANGE CONNECTIONS....................... 17 ELECTRIC WIRE CODE..................................... 18 CLASSIFICATION BY THICKNESS........................ 18 CLASSIFICATION BY COLOR AND CODE................... 18 CONVERSION TABLES...................................... 19 METHOD OF USING THE CONVERSION TABLE............... 19 01 GENERAL................................................. 2 GENERAL ASSEMBLY DRAWING............................... 26 PC300LL-6.......................................... 26 SPECIFICATIONS......................................... 28 PC300LL-6.......................................... 28 WEIGHT TABLE........................................... 29 10 STRUCTURE AND FUNCTION.................................. 31 SWING CIRCLE........................................... 32 SWING MACHINERY........................................ 33 TRACK FRAME • RECOIL SPRING............................ 34 SWING MOTOR............................................ 35 KMF160ABE-3........................................ 35 SUCTION-SAFETY VALVE............................... 37 SWING BRAKE........................................ 38 CAB RISER AND RELATED PARTS............................ 39 20 TESTING, ADJUSTING AND TROUBLESHOOTING..................243 30 DISASSEMBLY AND ASSEMBLY................................ 43 SWING MOTOR............................................ 44 REMOVAL............................................ 44 INSTALLATION....................................... 44 DISASSEMBLY........................................ 45 ASSEMBLY........................................... 47 SWING MACHINERY........................................ 54 REMOVAL............................................ 54 INSTALLATION....................................... 54 DISASSEMBLY........................................ 55 ASSEMBLY........................................... 58 REVOLVING FRAME........................................ 63 REMOVAL............................................ 63 INSTALLATION....................................... 64 SWING CIRCLE........................................... 65 REMOVAL............................................ 65 INSTALLATION....................................... 65 IDLER AND RECOIL SPRING................................ 66 REMOVAL............................................ 66 INSTALLATION....................................... 66 RECOIL SPRING.......................................... 67 DISASSEMBLY........................................ 67 ASSEMBLY........................................... 68 COUNTERWEIGHT.......................................... 69 REMOVAL............................................ 69 INSTALLATION....................................... 69 40 MAINTENANACE STANDARD................................... 71 SWING MACHINERY........................................ 72 SWING CIRCLE........................................... 73 SWING MOTOR............................................ 74 KMF160ABE 3........................................ 74 90 OTHER...................................................775