Komatsu WA250-3 Wheel Loader Operation and Maintenance Manual CEAM000503

Description

• Model List:
  • WA250-3 Wheel Loader

• 1. INTRODUCTION
• 1.1. FOREWORD
• 1.2. SAFETY INFORMATION
• 1.3. APPROVED AND NONAPPROVED USES
• 1.3.1. Approved Functions
• 1.3.2. NonApproved Functions
• 1.4. VISIBILITY STANDARD
• 1.4.1. Visibility in Immediate Area
• 1.4.2. M Radius Visibility
• 1.5. PRODUCT IDENTIFICATION
• 1.5.1. Machine
• 1.5.2. Service Meter Location
• 1.5.3. Directions of Machine
• 1.5.4. Machine Serial Number/Product Identification Number (PIN)
• 1.5.5. Engine Serial Number, EPA Regulations
• 1.6. SERIAL NUMBERS AND DEALER INFORMATION
• 1.6.1. Model WA2506
• 1.7. TABLE OF CONTENTS
• 2. SAFETY
• 2.1. SAFETY AND WARNING DECALS
• 2.1.1. Location of the Safety Labels
• 2.1.2. Safety Labels
• 2.2. GENERAL SAFETY RULES AND PRECAUTIONS
• 2.2.1. General Safety Rules
• 2.2.2. Safety at Job Site
• 2.2.3. Safety Features
• 2.2.4. Clothing and Protective Equipment
• 2.2.5. Keep Machine Clean
• 2.2.6. Fire and Explosion Prevention
• 2.2.7. Action if Fire Occurs
• 2.2.8. Fire Extinguisher and First Aid Kit
• 2.2.9. Mounting and Dismounting
• 2.2.10. Inside Operators Compartment
• 2.2.11. Emergency Escape from Operators Cab
• 2.2.12. Precautions When Standing Up from Operators Seat
• 2.2.13. Leaving Operators Compartment
• 2.2.14. Parking the Machine
• 2.2.15. Precautions When Using ROPS
• 2.2.16. Unauthorized Modification
• 2.2.17. Precautions for Attachments and Options
• 2.2.18. Precautions When Cleaning Cab Glass
• 2.2.19. Asbestos Hazard Alert
• 2.2.20. Crush or PinchPoint Dangers
• 2.2.21. Precautions for Ventilation Exhaust Gas
• 2.3. PRECAUTIONS BEFORE STARTING OPERATIONS
• 2.3.1. PreOperational Checks
• 2.3.2. Precautions for Job Site
• 2.4. RULES FOR ROAD TRAVEL
• 2.4.1. Travel Precautions
• 2.4.2. Traveling on Slopes
• 2.4.3. Using the Brakes
• 2.4.4. Traveling in Reverse
• 2.4.5. Operating on Snow or Frozen Surfaces
• 2.5. PRECAUTIONS DURING INSPECTION AND MAINTENANCE
• 2.5.1. Warning Tags
• 2.5.2. Workplace Environment
• 2.5.3. Systems Equipped with ECSS
• 2.5.4. Equipment Storage
• 2.5.5. Working Under the Machine
• 2.5.6. Using Drop Lamps
• 2.5.7. Using Proper Tools
• 2.5.8. Keeping the Machine Clean
• 2.5.9. Precautions When Welding
• 2.5.10. Precautions When Using Hammer
• 2.5.11. Noise
• 2.5.12. Stopping Engine During Inspection and Maintenance
• 2.5.13. Running the Machine During Maintenance
• 2.5.14. Rules for Refueling the Machine
• 2.5.15. Cooling System Precautions
• 2.5.16. Window Washer Fluid
• 2.5.17. Battery Information
• 2.5.18. HighPressure Precautions
• 2.5.19. HighTemperature Precautions
• 2.5.20. High Voltage
• 2.5.21. Accumulator and Gas Spring
• 2.5.22. Inflating Tires
• 2.5.23. Storing Tires
• 2.5.24. Using Compressed Air
• 2.5.25. Disposal of Waste Materials
• 2.5.26. Critical Parts
• 2.5.27. Maintenance of Air Conditioner
• 3. OPERATION
• 3.1. GENERAL VIEW
• 3.1.1. General View of Machine
• 3.1.2. General View of Controls and Gauges
• 3.2. EXPLANATION OF COMPONENTS
• 3.2.1. Machine Monitor
• 3.2.2. Types of Warnings
• 3.2.3. Character Display Portion
• 3.2.4. Emergency Stop Items
• 3.2.5. Caution Items
• 3.2.6. Inspection and Maintenance Items
• 3.2.7. Pilot Display Portion
• 3.2.8. Meter Display Portion
• 3.3. OTHER FUNCTIONS OF MACHINE MONITOR
• 3.3.1. Overall Menu
• 3.4. SWITCHES AND CONTROLS
• 3.4.1. General View
• 3.5. CONTROL LEVERS, PEDALS
• 3.5.1. General View
• 3.6. SECURITY LOCKS AND SAFETY FEATURES
• 3.6.1. Steering Tilt Lock Lever
• 3.6.2. Frame Lock Bar
• 3.6.3. Caps and Covers with Lock
• 3.6.4. Backup Alarm
• 3.7. MACHINE FEATURES
• 3.7.1. Towing Pin
• 3.7.2. Grease Pump
• 3.7.3. Cab Door
• 3.8. WORK OPERATIONS
• 3.8.1. WalkAround Check
• 3.8.2. Precautions Before Starting Work Operations
• 3.8.3. Check Before Starting Engine
• 3.8.4. Adjustments
• 3.8.5. Final Checks Before Starting Engine
• 3.8.6. Starting Engine
• 3.8.7. Operations and Checks After Starting Engine
• 3.8.8. Stopping Engine
• 3.8.9. Moving the Machine (Directional, Speed), Stopping the Machine
• 3.8.10. Operation of Work Equipment
• 3.8.11. Work Possible Using Wheel Loader
• 3.8.12. Loading Operations
• 3.8.13. Precautions During Work Operations
• 3.8.14. Adjusting Work Equipment
• 3.8.15. Measuring Dump Angle
• 3.8.16. Parking the Machine
• 3.8.17. Checks After Completion of Operation
• 3.8.18. Locking the Machine
• 3.9. HANDLING TIRES
• 3.9.1. Precautions When Handling Tires
• 3.10. TRANSPORTATION
• 3.10.1. Transportation Procedure
• 3.10.2. Loading and Unloading Trailers
• 3.11. LIFTING MACHINE
• 3.11.1. Lifting Position
• 3.11.2. Lifting Procedure
• 3.12. COLD WEATHER OPERATION
• 3.12.1. Precautions for Low Temperature
• 3.13. LONGTERM STORAGE
• 3.13.1. Before Storage
• 3.13.2. During Storage
• 3.13.3. After Storage
• 3.14. AUTOMATIC AIR CONDITIONER
• 3.14.1. Control Panel
• 3.14.2. Method of Operation
• 3.14.3. Precautions When Using Air Conditioner
• 3.14.4. Inspection and Maintenance
• 3.14.5. Cool Box
• 3.15. KOMTRAX
• 3.15.1. Basic Precautions
• 3.16. TROUBLESHOOTING
• 3.16.1. When Machine Runs Out of Fuel
• 3.16.2. Towing the Machine
• 3.16.3. If Battery is Discharged
• 3.16.4. Starting Engine With Booster Cables
• 3.16.5. Lowering Work Equipment When Engine Has Stopped
• 3.16.6. Other Troubleshooting
• 4. MAINTENANCE
• 4.1. GUIDES TO MAINTENANCE
• 4.1.1. Check Service Meter
• 4.1.2. Komatsu Genuine Replacement Parts
• 4.1.3. Komatsu Genuine Oils
• 4.1.4. Always Use Clean Washer Fluid
• 4.1.5. Always Use Clean Oil and Grease
• 4.1.6. Checking for Foreign Materials in Drained Oil and On Filters
• 4.1.7. Fuel Strainer
• 4.1.8. Welding Instructions
• 4.1.9. Do Not Drop Things Inside Machine
• 4.1.10. Dusty Work Sites
• 4.1.11. Avoid Mixing Oil
• 4.1.12. Locking Inspection Covers
• 4.1.13. Bleeding Air from Hydraulic Circuit
• 4.1.14. Precautions When Installing Hydraulic Hoses
• 4.1.15. Checks After Inspection and Maintenance
• 4.2. OUTLINES OF SERVICE
• 4.2.1. Handling Oil, Fuel, Coolant, and Performing Oil Clinic
• 4.2.2. Performing KOWA (Komatsu Oil Wear Analysis)
• 4.2.3. Outline of Electric System
• 4.3. WEAR PARTS
• 4.3.1. Wear Parts List
• 4.4. RECOMMENDED FUEL, COOLANT, AND LUBRICANTS
• 4.4.1. Fuel, Coolant, and Lubricant Ambient Temperature Chart
• 4.4.2. Recommended Brands, Other Than Komatsu Genuine Oil
• 4.4.3. Biodiesel Usage
• 4.5. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
• 4.5.1. Torque List
• 4.6. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
• 4.6.1. Safety Critical Parts List
• 4.7. MAINTENANCE SCHEDULE CHART
• 4.8. SERVICE PROCEDURE
• 4.8.1. Initial 10 Hours Service
• 4.8.2. Initial 250 Hours Service
• 4.8.3. Initial 1000 Hours Service
• 4.8.4. When Required
• 4.8.5. Check Before Starting
• 4.8.6. Every 50 Hours Service
• 4.8.7. Every 100 Hours Service
• 4.8.8. Every 250 Hours Service
• 4.8.9. Every 500 Hours Service
• 4.8.10. Every 1000 Hours Service
• 4.8.11. Every 2000 Hours Service
• 4.8.12. Every 4000 Hours Service
• 4.8.13. Every 8000 Hours Service
• 5. SPECIFICATIONS
• 5.1. SPECIFICATIONS
• 6. OPTIONS, ATTACHMENTS
• 6.1. BUCKET AND TIRES
• 6.2. AM/FM RADIO CASSETTE STEREO SOUND SYSTEM
• 6.2.1. Sound System Components
• 6.2.2. Method of Operation
• 6.2.3. Precautions When Using
• 6.2.4. Handling Cassette Tape
• 6.3. HYDRAULIC QUICK COUPLER
• 6.3.1. Removing Attachment
• 6.3.2. Installing Attachment