Kubota R420a, R420S, R520a, R520S Minor Workshop Manual PDF EN

Description

• 1. COVER
• 2. CONTENTS
• 3. I. GENERAL
• 3.1. (A) BODY AND ENGINE IDENTIFICATIONS MARKS
• 3.2. (B) SAFETY PRECAUTIONS FOR SERVICING, DISASSEMBLY AND REASSEMBLY
• 3.3. (C) IMPORTANT SAFETY PROCESS AND CRITICAL FUNCTIONAL PROCESS
• 3.4. (D) IMPORTANT INSPECTION ITEMS AFTER REASSEMBLING
• 3.5. (E) SERVICE FUNDAMENTALS
• 4. II. MACHINE BODYMechanism
• 4.1. (A) MACHINE SPECIFICATIONS
• 4.2. (B) DEVELOPMENT CONCEPT OF MODEL CHANGE
• 4.3. (C) QUALITY SPECIFICATIONS R420S, R520S
• 4.4. (D) FRONT ATTACHMENT
• 4.5. (E) FRAME ARTICULATION AND CENTER PIN
• 5. II. MACHINE BODY FRONT ATTACHMENTService
• 5.1. (A) MACHINE SPECIFICATIONS
• 5.2. (B) INSTALLING FRAMERELATED PARTS (FRONT)
• 5.3. (C) CENTER PIN (IMPORTANT FUNCTIONAL COMPONENT)
• 5.4. (D) REAR FRAME, CENTER PIN
• 5.5. (E) ASSEMBLY DRAWING OF THE CONTROL LEVERS
• 5.6. (F) INSTALLING THE CONTROL LEVERS
• 5.7. (G) ASSEMBLY DRAWING OF ACCELERATOR AND BRAKE
• 5.8. (H) INSTALLING THE BRAKE AND INCHINGRELATED PARTS
• 5.9. (I) INSTALLING THE ACCELERATORRELATED PARTS
• 5.10. (J) INSTALLING THE SEAT
• 5.11. (K) FENDER
• 5.12. (L) INSTALLING THE CANOPY
• 5.13. (M) CAB
• 5.14. (N) HEATER HOSE
• 6. III. ENGINEMechanism
• 6.1. (A) ENGINE SPECIFICATIONS
• 6.2. (B) ENGINE PERFORMANCE CURVE
• 6.3. (C) NEW EMISSIONS CONTROL ENGINES
• 6.4. (D) BOOST COMPENSATOR AND GOVERNOR
• 7. III. ENGINEService
• 7.1. (A) SPECIFICATIONS
• 7.2. (B) ENGINE ASSY DISMOUNTING
• 7.3. (C) ENGINE ACCESSORIES
• 7.4. (D). TURBOCHARGER
• 7.5. Engine WSM 03ME3B, 03MDIE3B, 03ME3BG
• 8. IV. HYDRAULIC SYSTEMMechanism
• 8.1. (A) CIRCUIT DIAGRAM COMPONENTS
• 8.2. (B) LST PUMP
• 8.3. (C) LST motor
• 8.4. (D) STEERING SYSTEM
• 9. IV. HYDRAULIC SYSTEMService
• 9.1. (A) TROUBLESHOOTING
• 9.2. (B) SPECIFICATIONS
• 9.3. (C) TESTING
• 9.4. (D) SERVICING
• 10. V. BRAKE SYSTEM AND POWER TRAINMechanism
• 10.1. (A) OUTLINE
• 10.2. (B) PARKING BRAKE
• 10.3. (C) SERVICE BRAKE AXLE BRAKE (EU, KCL, KTAVERSION)
• 10.4. (D) NEGATIVE BRAKE RELEASING METHOD
• 10.5. (E) POWER TRAIN COMPONENTS
• 11. V. BRAKE SYSTEM AND POWER TRAINService
• 11.1. (A) BRAKE SYSTEM
• 11.2. (B) POWER TRAIN
• 12. VI. ELECTRICAL SYSTEMMechanism
• 12.1. (A) ELECTRICAL WIRING R420S/α, R520S/α
• 12.2. (B) ELECTRICAL CIRCUIT DIAGRAM
• 13. VI. ELECTRICAL SYSTEMService
• 13.1. (A) TESTING
• 13.2. (B) TROUBLESHOOTING
• 13.3. (C) SPECIFICATIONS
• 13.4. (D) WIRE HARNESS INSTALLATION
• 13.5. (E) SPECIFICATIONS FOR ELECTRIC COMPONENTS AND SERVICE
• 14. VII. BACKHOEMechanism
• 14.1. (A) OIL FLOW CHART OF BACKHOE
• 14.2. (B) HYDRAULIC CIRCUIT DIAGRAM
• 15. VII. BACKHOEService
15.1. (A) SPECIFICATIONS
• 15.2. (B) TROUBLESHOOTING
• 15.3. (C) OPERATION AND MAINTENANCE
• 15.4. (D) TESTING ADJUSTMENT
• 15.5. (E) REMOVING REASSEMBLING
• 16. VIII. SUPPLEMENT
• 16.1. (A) FUNDAMENTALS OF WHEEL LOADER
• 16.2. (B) INTRODUCTION OF LST SYSTEM
• 16.3. (C) INTRODUCTION OF STEERING SYSTEM
• 16.4. (D) WINKER PRIORITY CIRCUIT (KTC, KCL, KTA)
• 16.5. (E) HAZARD PRIORITY CIRCUIT (EU)
• 16.6. (F) ELECTRICAL CIRCUIT FUNCTION
• 16.7. (G) FYI (FOR YOUR INFORMATION)
• 17. Conversion Tables