Komatsu PC340-6K, PC340LC-6K, PC340NLC-6K Hydraulic Excavator Shop Manual UEBM000901

Description

• Model List:
  • PC340-6K Hydraulic Excavator
  • PC340LC-6K Hydraulic Excavator
  • PC340NLC-6K Hydraulic Excavator

• 1. SAFETY
• 2. FOREWORD
• 3. HOW TO READ THE SHOP MANUAL
• 4. HOISTING INSTRUCTIONS
• 5. COATING MATERIALS
• 6. STANDARD TIGHTENING TORQUE
• 7. ELECTRIC WIRE CODE
• 8. CONVERSION TABLE
• 9. GENERAL
• 10. STRUCTURE AND FUNCTION
• 11. CLSS
• 12. SWING MOTOR
• 13. CENTER SWIVEL JOINT
• 14. TRAVEL MOTOR
• 15. VALVE CONTROL
• 16. WORK EQUIPMENT SWING PPC VALVE
• 17. TRAVEL PPC VALVE SERVICE PPC VALVE
• 18. PPC SAFETY LOCK VALVE
• 19. PPC ACCUMULATOR
• 20. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 21. LS EPC VALVE
• 22. SOLENOID VALVE
• 23. WORK EQUIPMENT
• 24. AIR CONDITIONER
• 25. ACTUAL ELECTRIC WIRING DIAGRAM
• 26. ELECTRIC CIRCUIT DIAGRAM
• 27. ENGINE CONTROL
• 28. ELECTRONIC CONTROL SYSTEM
• 29. MACHINE MONITOR SYSTEM
• 30. TESTING AND ADJUSTING
• 31. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 32. MEASURING ENGINE SPEED
• 33. MEASURING EXHAUST COLOR
• 34. ADJUSTING VALVE CLEARANCE
• 35. MEASURING COMPRESSION PRESSURE
• 36. MEASURING BLOW BY PRESSURE
• 37. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 38. MEASURING ENGINE OIL PRESSURE
• 39. TESTING AND ADJUSTING ALTERNATOR BELT TENSION
• 40. TESTING AND ADJUSTING WATER PUMP BELT TENSION
• 41. TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
• 42. ADJUSTING ENGINE SPEED SENSOR
• 43. MEASURING AIR SUPPLY PRESSURE ( BOOST PRESSURE)
• 44. TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE
• 45. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 46. TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE ( SERVO PISTON INPUT PRESSURE)
• 47. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE ( SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
• 48. TESTING CONTROL CIRCUIT OIL PRESSURE ( OIL PRESSURE WHEN SELF PRESSURE IS REDUCED)
• 49. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 50. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
• 51. ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
• 52. TESTING TRAVEL DEVIATION
• 53. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 54. MEASURING OIL LEAKAGE
• 55. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 56. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 57. TESTING WEAR OF SPROCKET
• 58. TESTING AND ADJUSTING TRACK SHOE TENSION
• 59. BLEEDING AIR
• 60. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 61. CHECKS BEFORE TROUBLESHOOTING
• 62. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 63. EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
• 64. DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL
• 65. METHOD OF USING JUDGEMENT TABLE
• 66. METHOD OF USING TROUBLESHOOTING CHARTS
• 67. DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
• 68. SERVICE CODE TABLE
• 69. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER ( GOVERNOR CONTROL SYSTEM) ( E MODE)
• 70. JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER ( GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS
• 71. E 1 Abnormality in governor, pump controller power source ( controller LED is OFF)
• 72. E 2 E308 Abnormality in fuel control dial input value is displayed
• 73. E 3 E317 Abnormality ( disconnection) in motor drive system is displayed
• 74. E 4 E318 Abnormality ( short circuit) in motor drive system is displayed
• 75. E 5 E306 Abnormality in feedback potentiometer system is displayed
• 76. E 6 E315 Abnormality ( short circuit) in battery relay output system is displayed
• 77. E 7 E316 Abnormality ( step out) in motor is displayed
• 78. E 8 Engine does not start
• 79. E 9 Engine speed is irregular
• 80. E 10 Lack of output ( engine high idling speed is too low)
• 81. E 11 Engine does not stop
• 82. E 12 Defective operation of battery relay system ( engine does not stop)
• 83. TROUBLESHOOTING OF ENGINE SYSTEM ( S MODE)
• 84. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER ( PUMP CONTROL SYSTEM) ( C MODE)
• 85. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER ( INPUT SIGNAL SYSTEM) ( F MODE)
• 86. TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM ( H MODE)
• 87. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM ( M MODE)
• 89. DISASSEMBLY OF TRAVEL MOTOR ASSEMBLY
• 90. ASSEMBLY OF TRAVEL MOTOR ASSEMBLY
• 91. DISASSEMBLY OF MAIN PUMP ASSEMBLY
• 92. ASSEMBLY OF MAIN PUMP ASSEMBLY
• 93. DISASSEMBLY OF PUMP MERGE/ DIVIDER VALVE ASSEMBLY
• 94. ASSEMBLY OF PUMP MERGE/ DIVIDER VALVE ASSEMBLY
• 95. DISASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY
• 96. ASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY
• 97. REMOVAL OF SERVO VALVE ASSEMBLY FOR FRONT PUMP
• 98. INSTALLATION OF SERVO VALVE ASSEMBLY FOR FRONT PUMP
• 99. REMOVAL OF SERVO VALVE ASSEMBLY FOR REAR PUMP
• 100. INSTALLATION OF SERVO VALVE ASSEMBLY FOR REAR PUMP
• 101. REMOVAL OF LS EPC SOLENOID VALVE ASSEMBLY
• 102. INSTALLATION OF LS EPC SOLENOID VALVE ASSEMBLY
• 103. REMOVAL OF SOLENOID VALVE ASSEMBLY
• 104. INSTALLATION OF SOLENOID VALVE ASSEMBLY
• 105. REMOVAL OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 106. INSTALLATION OF WORK EQUIPMENT, PPC VALVE ASSEMBLY
• 107. DISASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 108. ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 109. REMOVAL OF TRAVEL PPC VALVE ASSEMBLY
• 110. INSTALLATION OF TRAVEL PPC VALVE ASSEMBLY
• 111. DISASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
• 112. ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
• 113. REMOVAL OF PPC SHUTTLE VALVE ASSEMBLY
• 114. INSTALLATION OF PPC SHUTTLE VALVE ASSEMBLY
• 115. DISASSEMBLY OF PPC SHUTTLE VALVE ASSEMBLY
• 116. ASSEMBLY OF PPC SHUTTLE VALVE ASSEMBLY
• 117. REMOVAL OF BOOM CYLINDER ASSEMBLY
• 118. INSTALLATION OF BOOM CYLINDER ASSEMBLY
• 119. REMOVAL OF ARM CYLINDER ASSEMBLY
• 120. INSTALLATION OF ARM CYLINDER ASSEMBLY
• 121. REMOVAL OF BUCKET CYLINDER ASSEMBLY
• 122. INSTALLATION OF BUCKET CYLINDER ASSEMBLY
• 123. DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 124. ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 125. REMOVAL OF WORK EQUIPMENT ASSEMBLY
• 126. INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 127. REMOVAL OF BUCKET ASSEMBLY
• 128. INSTALLATION OF BUCKET ASSEMBLY
• 129. REMOVAL OF ARM ASSEMBLY
• 130. INSTALLATION OF ARM ASSEMBLY
• 131. REMOVAL OF BUCKET, ARM ASSEMBLY
• 132. INSTALLATION OF BUCKET, ARM ASSEMBLY
• 133. REMOVAL OF BOOM ASSEMBLY
• 134. INSTALLATION OF BOOM ASSEMBLY
• 135. REMOVAL OF COUNTERWEIGHT ASSEMBLY
• 136. INSTALLATION OF COUNTERWEIGHT ASSEMBLY
• 137. REMOVAL OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 138. INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 139. REMOVAL OF AIR CONDITIONER CONDENSER ASSEMBLY
• 140. INSTALLATION OF CONDENSER ASSEMBLY
• 141. REMOVAL OF RECEIVER TANK ASSEMBLY
• 142. INSTALLATION OF RECEIVER TANK ASSEMBLY
• 143. REMOVAL OF AIR CONDITIONER UNIT ASSEMBLY
• 144. INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 145. REMOVAL OF GOVERNOR, PUMP CONTROLLER ASSEMBLY
• 146. INSTALLATION OF GOVERNOR, PUMP CONTROLLER ASSEMBLY
• 147. REMOVAL OF MONITOR PANEL ASSEMBLY
• 148. INSTALLATION OF MONITOR PANEL ASSEMBLY
• 149. REMOVAL OF CONTROL STAND CASE
• 150. INSTALLATION OF CONTROL STAND CASE
• 151. MAINTENANCE STANDARD