Komatsu PC28UU-1 Hydraulic Excavator Shop Manual SEBM021U0101

Description

• Model List:
  • PC28UU-1 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. STRUCTURE AND FUNCTION
• 3.1. POWER TRAIN
• 3.2. SWING CIRCLE
• 3.3. TRACK FRAME AND RECOIL SPRING
• 3.4. IDLER
• 3.5. TRACK ROLLER
• 3.6. TRACK SHOE
• 3.7. HYDRAULIC PIPING
• 3.8. HYDRAULIC CIRCUIT SCHEMATIC
• 3.9. HYDRAULIC CIRCUIT DIAGRAM
• 3.10. HYDRAULIC TANK
• 3.11. HYDRAULIC PUMP
• 3.12. SPOOL CONTROL VALVE
• 3.13. SPOOL CONTROL VALVE
• 3.14. CENTER SWIVEL JOINT
• 3.15. SWING MOTOR (WITH REDUCTION GEAR)
• 3.16. TRAVEL MOTOR (WITH REDUCTION GEAR)
• 3.17. HYDRAULIC CYLINDER
• 3.18. WORK EQUIPMENT CONTROL
• 3.19. WORK EQUIPMENT
• 3.20. ELECTRICAL CIRCUIT DIAGRAM
• 4. TESTING AND ADJUSTING
• 4.1. TABLE OF JUDGEMENT STANDARD VALVE
• 4.2. TESTING AND ADJUSTING TOOL LIST
• 4.3. TESTING AND ADJUSTING HYDRAULIC PRESSURE
• 4.4. MEASURING DISCHARGE OF PUMP
• 5. DISASSEMBLY AND ASSEMBLY
• 5.1. ENGINE
• 5.1.1. REMOVAL
• 5.1.2. INSTALLATION
• 5.2. CENTER SWIVEL JOINT
• 5.3. SWING MOTOR FINAL DRIVE
• 5.3.1. DISASSEMBLY
• 5.3.2. ASSEMBLY
• 6. MAINTENANCE STANDARD
• 6.1. SWING CIRCLE
• 6.2. TRACK FRAME AND RECOIL SPRING
• 6.3. IDLER
• 6.4. TRACK ROLLER
• 6.5. TRACK SHOE
• 6.6. HYDRAULIC PUMP
• 6.7. SPOOL CONTROL VALVE
• 6.8. SPOOL CONTROL VALVE
• 6.9. HYDRAULIC CYLINDER
• 6.10. WORK EQUIPMENT