Komatsu WF550-3, WF550T-3 Trash Compactor Shop Manual VEBM090100

Description

• Model List:
  • WF550-3 Trash Compactor
  • WF550T-3 Trash Compactor

• 1. WF5503 / WF550T3
• 2. CONTENTS
• 3. SAFETY
• 3.1. Safety notice
• 3.2. Foreword
• 3.3. How to read the shop manual
• 3.4. Hoisting instructions
• 4. STRUCTURE AND FUNCTION
• 4.1. General
• 4.2. Drive unit cooling fan
• 4.3. Transmission
• 4.4. Main relief, torque converter relief valve
• 4.5. Axle
• 4.6. Differential
• 4.7. Limited slip differential
• 4.8. Final drive
• 4.9. Axle mount, center hinge pin
• 4.10. Steering piping
• 4.11. Brake piping
• 4.12. Brake
• 4.13. Parking brake emergency release solenoid valve
• 4.14. Hydraulic piping
• 4.15. Work equipment lever linkage
• 4.16. Hydraulic tank
• 4.17. PPC valve
• 4.18. Cutoff valve
• 4.19. Main control valve
• 4.20. Main relief valve
• 4.21. Suction valve
• 4.22. Float selector valve and unload valve
• 4.23. Operation (WF550T3)
• 4.24. Operation (WF5503)
• 4.25. Bucket positioner and boom kickout (WF5503)
• 4.26. Air conditioner
• 4.27. Machine monitor system
• 4.28. Main monitor
• 4.29. Maintenance monitor
• 4.30. Transmission controller
• 4.31. Electric transmission control
• 5. TESTING AND ADJUSTING
• 5.1. Standard value table for engine
• 5.2. Standard value table for chassis
• 5.3. Standard value table for electrical parts
• 5.4. Table of required tools
• 5.5. Sketch of special tools
• 5.6. Measuring blowby pressure
• 5.7. Measuring engine oil pressure
• 5.8. Adjusting speed sensor
• 5.9. Adjusting of engine stop motor cable
• 5.10. Torque converter and transmission oil pressure
• 5.11. Steering oil pressure
• 5.12. Measuring parking brake oil pressure
• 5.13. Testing and adjusting PPC oil pressure
• 5.14. Adjusting PPC valve linkage
• 5.15. Work equipment hydraulic pressure
• 5.16. Adjusting work equipment lever linkage
• 5.17. Adjusting main monitor (speedometer module)
• 6. TROUBLESHOOTING
• 6.1. Outline
• 6.2. Connector types and mounting locations
• 6.3. Connector arrangement diagram
• 7. TROUBLESHOOTING FOR RADIATOR COOLING FAN SYSTEM (EC MODE)
• 7.1. Electric circuit diagram of cooling fan system
• 7.2. EC1 Fan does not rotate (selector switch position AUTO)
• 8. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
• 8.1. H1 Blade does not move
• 8.2. H2 Blade is slow or blade lacks power
• 8.3. H3, H4, H5, H6
• 9. DISASSEMBLY AND ASSEMBLY
• 9.1. Special tool list
• 9.2. Sketches of special tools
• 9.3. Starting motor assembly
• 9.4. Engine front seal
• 9.5. Radiator assembly
• 9.6. Engine assembly
• 9.7. Front axle assembly
• 9.8. Front differential assembly
• 9.9. Rear axle assembly
• 9.10. Rear differential assembly
• 9.11. Differential gear assembly
• 9.12. Final drive assembly
• 9.13. Steering cylinder assembly
• 9.14. Steering valve assembly
• 9.15. Slack adjuster assembly
• 9.16. Hydraulic tank assembly
• 9.17. PPC valve assembly
• 9.18. Main control valve assembly
• 9.19. Lift cylinder assembly
• 9.20. Boom, bucket and lift cylinders assembly
• 9.21. Work equipment assembly
• 9.22. Engine hood assembly
• 9.23. Floor frame assembly
• 9.24. Fuel tank assembly
• 9.25. Air conditioner condenser assembly
• 9.26. Reciver tank
• 10. MAINTENANCE STANDARD
• 10.1. Engine mount
• 10.2. Transmission mount
• 10.3. Damper
• 10.4. Torque converter charging pump
• 10.5. Torque converter, PTO
• 10.6. Transmission
• 10.7. Transfer
• 10.8. Main relief, torque converter relief valve
• 10.9. Lubrication relief valve
• 10.10. Center hinge pin
• 10.11. Steering column
• 10.12. Steering pump
• 10.13. Steering valve
• 10.14. Steering cylinder mount
• 10.15. Switch, PPC pump
• 10.16. PPC valve
• 10.17. Main control valve
• 10.18. Cutoff valve
• 10.19. Hydraulic cylinders
• 10.20. Work equipment linkage
• 10.21. Bucket positioner and boom kickout
• 10.22. ROPS cab
• 11. OTHERS
• 11.1. Hydraulic circuit diagram for power train
• 11.2. Brake circuit diagram
• 11.3. Electric circuit for cooling fan
• 11.4. Work equipment hydraulic circuit diagram (WF550T3)
• 11.5. Work equipment hydraulic circuit diagram (WF5503)
• 11.6. Electric circuit diagram (1/4)
• 11.7. Electric circuit diagram (2/4)
• 11.8. Electric circuit diagram (3/4)
• 11.9. Electric circuit diagram (4/4)