Komatsu WA380-6 Wheel Loader Operation & Maintenance Manual
390 pages · Publication CEAM017205
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- Models
- WA380-6
- Serial coverage
- WA380-6 A53001 - A53999
- Manual type
- Operation & Maintenance Manual
- Pages
- 390
- Publication
- CEAM017205
- Condition
- Brand new
What's inside
From the manual's own table of contents: 532 topics. See sample pages (PDF, 401 KB)
- FOREWORD
- SAFETY INFORMATION
- APPROVED AND NON-APPROVED USES
- Approved Functions
- Non-Approved Functions
- VISIBILITY STANDARD
- Visibility in Immediate Area
- 12-M Radius Visibility
- PRODUCT IDENTIFICATION
- Directions of Machine
- Machine Serial Number
- Engine Serial Number, EPA Regulations
- Service Meter Location
- SERIAL NUMBERS AND DEALER INFORMATION
- SAFETY AND WARNING DECALS
- Location of the Safety Decals
- Safety Labels
- GENERAL SAFETY RULES AND PRECAUTIONS
- General Safety Rules
- Unauthorized Modifications
- General Safety at Job Site
- Working on Loose Ground
- Safety Features
- Personal Protective Equipment
Show all 532 topics
- Fire and Explosion Prevention
- Fire Caused by Fuel, Oil, Antifreeze, or Window Washer Fluid
- Fire Caused by Accumulation of Flammable Material
- Fire Caused by Electrical Wiring
- Fire Caused by Hydraulic Lines
- Fire Caused by Lighting Equipment
- Action if Fire Occurs
- Fire Extinguisher and First Aid Kit
- Mounting and Dismounting
- Inside Operator’s Compartment
- Precautions When Standing Up from Operator’s Seat
- Precautions When Using ROPS
- Emergency Escape from Operator’s Cab
- Leaving Operator’s Compartment
- Precautions When Cleaning Cab Glass
- Asbestos Hazard Alert
- Crush or Pinch-Point Dangers
- Precautions for Ventilation Exhaust Gas
- Seat Belt Inspection
- PRECAUTIONS BEFORE STARTING OPERATIONS
- Pre-Operational Checks
- Ensure Good Visibility
- Confirmation of Marks
- Precaution for Warning Tag
- Checks Before Starting Engine, Adjustments
- Precautions When Starting
- Work Site Hazards
- Avoiding Dangerous Situations
- Working Clearances
- Working Near High-Voltage Cables
- RULES FOR TRAVEL
- Traveling in Reverse
- Working on Loose or Unstable Ground
- Operating on Snow or Frozen Surfaces
- Travel on Slopes
- Using the Brakes
- Parking the Machine
- PRECAUTIONS DURING MAINTENANCE OPERATIONS
- Warning Tags
- Equipment Storage
- Keeping the Machine Clean
- Using Drop Lamps
- Working Under the Machine
- Stopping Machine During Maintenance
- Precautions When Using Hammer
- Noise
- Precautions When Using Compressed Air
- Running the Machine During Maintenance
- Rules for Refueling the Machine
- Cooling System Precautions
- Welding Precautions
- Battery Precautions
- Battery Hazard Prevention
- Using Jumper Cables
- Starting the Machine
- High-Pressure Hoses
- Safe Handling of High-Pressure Hoses
- Precautions for High-Pressure Liquids
- Precautions for High-Pressure Fuel
- Precautions for High-Pressure Oil
- Precautions for High-Temperature Liquids
- Precautions for High-Temperature Coolant
- Precautions for High-Temperature Oil
- Critical Parts
- Handling Accumulator and Gas Spring
- Disposal of Waste Materials
- Inflating Tires
- High Voltage
- Maintenance of Air Conditioner
- GENERAL VIEW
- General View of Machine
- Controls and Gauges
- Machine Monitor
- Switch Panel
- EXPLANATION OF COMPONENTS
- Types of Warnings
- Emergency Stop
- Caution
- Mistaken Operation
- Inspection and Maintenance
- Central Warning Lamp
- Character Display Portion
- Service Meter
- Action Code Display
- Failure Code Display
- Filter, Oil Replacement Time Display
- Emergency Stop Items
- Brake Oil Pressure Caution Lamp
- Engine Oil Pressure Caution Lamp
- Battery Charge Circuit Caution Lamp
- Steering Oil Pressure Caution Lamp (Red)
- Caution Items
- Brake Oil Temperature Caution Lamp
- Torque Converter Oil Temperature Caution Lamp
- Engine Coolant Temperature Caution Lamp
- Hydraulic Oil Temperature Caution Lamp
- Fuel Level Caution Lamp
- Inspection and Maintenance Items
- Radiator Coolant Level Caution Lamp
- Engine Oil Level Caution Lamp
- Battery Electrolyte Level Caution Lamp
- Maintenance Caution Lamp
- Air Cleaner Clogging Caution Lamp
- Water Separator Caution Lamp
- Transmission Oil Filter Clogging Caution Lamp
- Pilot Display Portion
- Parking Brake Pilot Lamp
- Cooling Fan Reverse Rotation Pilot Lamp
- Emergency Steering Pilot Lamp (Green)
- Power Mode Pilot Lamp (P Mode)
- Preheating Pilot Lamp
- Semi-Auto Digging Pilot Lamp
- Auto-Greasing Pilot Lamp
- Joystick Pilot Lamp
- Directional Selector Pilot Lamp
- Economy Operation Display Lamp
- Shift Indicator
- Auto-Shift Pilot Lamp
- Torque Converter Lockup Pilot Lamp
- Shift Hold Pilot Lamp
- Shift Lever Position Pilot Lamp
- Turn Signal Pilot Lamp
- Head Lamp High Beam Pilot Lamp
- Meter Display Portion
- Torque Converter Oil Temperature Gauge
- Engine Coolant Temperature Gauge
- Hydraulic Temperature Gauge
- Fuel Gauge
- Speedometer
- Meter Display Pilot Lamp
- OTHER FUNCTIONS OF MACHINE MONITOR
- Overall Menu
- Displaying Odometer
- Resetting Filter, Oil Replacement Time
- Entering Telephone Number
- Selecting Language
- Adjusting Monitor Brightness
- Switching Travel Speed/Engine Speed Display
- Switching Travel Speed/Engine Speed Display/Non-Display
- Switches
- Starting Switch
- Power Mode Selector Switch
- Transmission Shift Mode Selector Switch
- Transmission Cutoff Switch
- Transmission Cutoff Set Switch
- Lamp Switch
- Turn Signal Lever
- Dimmer Switch
- Horn Button
- Hazard Lamp Switch
- Parking Brake Switch
- Front Working Lamp Switch
- Rear Working Lamp Switch
- Machine Monitor Mode Selector Switch 1
- Machine Monitor Mode Selector Switch 2
- Kickdown Switch
- Hold Switch
- Front Wiper Switch
- Rear Wiper Switch
- Cigarette Lighter
- Room Lamp Switch
- Rear Heated-Wire Glass Switch
- Electronic Controlled Suspension System Switch (ECSS)
- Emergency Steering Switch
- Cooling Fan Reverse Rotation Switch
- Cooling Fan Auto-Reverse Rotation Switch
- Torque Converter Lockup Switch
- Control Levers, Pedals
- Gearshift Lever
- Directional Lever
- Gearshift Lever Stopper
- Work Equipment Lock Lever
- Bucket Control Lever
- Lift Arm Control Lever
- Brake Pedals
- Accelerator Pedal
- SECURITY LOCKS AND SAFETY FEATURES
- Steering Column Tilt Lever
- Cap with Lock
- Opening the Cap (for Fuel Tank Filler Port)
- Locking the Cap
- Opening the Cap (for Hydraulic Tank Filler Port)
- Backup Alarm
- Frame Lock Bar
- Towing Pin
- MACHINE FEATURES
- Cab Door
- Emergency Escape Right Door
- Left Cab Door, Opening Lock
- Left Cab Door, Door Handle
- Left Cab Door, Door Open Knob
- Cab Sliding Window Lock Release Knob
- Cab Wiper
- Grease Pump
- ELECTRICAL
- Fuses
- Fuse Capacity and Circuits
- Slow-Blow Fuses
- Power Outlet
- WORK OPERATIONS
- Walk-Around Check
- Precautions Before Starting Work Operations
- Check Before Starting Engine
- Check Machine Monitor
- Check Coolant Level, Add Coolant
- Check Oil Level in Engine Oil Pan, Add Oil
- Check Water Separator
- Check Air Cleaner
- Check Fuel Level, Add Fuel
- Check Electric Wiring
- Check Inflation Pressure of Tires
- Check Parking Brake
- Check Brake Pedal
- Check Condition of Window Washer Spray
- Check Wiping Efficiency of Wiper
- Check Horn
- Check Defroster Function
- Check Locks
- Check Emergency Exit
- Adjust Seat
- Removal and Installation of Headrest
- Adjust Seat Belt
- Adjust Lever Stand
- Adjust Mirrors
- Final Checks Before Starting Engine
- Starting Engine
- Normal Starting
- Starting Engine in Cold Weather
- Automatic Warming-Up Operation
- Operations and Checks After Starting Engine
- Breaking in the Machine
- Checks After Starting Engine
- Normal Operation
- Stopping Engine
- Check After Stopping Engine
- Moving the Machine (Directional, Speed), Stopping the Machine
- Moving the Machine
- Changing Gear Speed
- Changing Direction
- Stopping the Machine
- Adjusting Transmission Cutoff Position
- Turning
- Emergency Steering (if equipped)
- Operation of Work Equipment
- Lift Arm Operation
- Bucket Operation
- Work Possible Using Wheel Loader
- Digging Operations
- Loading Piled Soil or Blasted Rock
- Digging and Loading on Level Ground
- Leveling Operations
- Pushing Operations
- Load-and-Carry Operations
- Loading Operations
- Cross-Drive Loading
- V-Shape Loading
- Preparations for Loading, Gathering Rocks
- Approaching Facing
- Digging
- Traveling in Reverse After Excavation
- Approaching Dump Truck
- Loading Dump Truck
- Reversing Away From Dump Truck
- Precautions
- When Piling Up Loads
- When Handling Blasted Rock
- During Cutting Face Operations
- When Switching Between Forward and Reverse
- When Turning When Tires Are Stationary
- Permissible Water Depth
- When Wheel Brake Does Not Work
- When Driving Up or Down Slopes
- When Driving the Machine
- Adjusting Work Equipment
- Adjusting Boom Kickout
- Adjusting Bucket Positioner
- Bucket Level Indicator
- Measuring Dump Angle
- Measuring Bucket Dump Angle
- Measuring Coupler Dump Angle
- Removing the Bucket
- Installing the Bucket
- Checks After Completion of Operation
- Before Stopping Engine
- After Stopping Engine
- Locking the Machine
- HANDLING TIRES
- Precautions When Handling Tires
- Tire Pressure
- Precautions for Using Load-and-Carry Method
- Precautions when Storing Tires
- TRANSPORTATION
- Transportation Procedure
- Loading and Unloading Trailers
- Loading Machine
- Securing Machine
- Unloading Machine
- LIFTING MACHINE
- Lifting Position Marks
- Lifting Procedure
- COLD WEATHER OPERATION
- Precautions for Low Temperature
- Fuel and Lubricants
- Coolant
- Battery
- Precautions After Completion of Work
- When Cold Weather Ends
- LONG-TERM STORAGE
- Before Storage
- During Storage
- After Storage
- TROUBLESHOOTING
- When Machine Runs Out of Fuel
- Towing the Machine
- When Engine Can Be Used
- When Engine Cannot Be Used
- Releasing Parking Brake
- Emergency Travel Operation
- If Battery is Discharged
- Removing the Battery
- Installing the Battery
- Precautions for Charging Battery
- Starting Engine With Booster Cable
- Precautions When Connecting or Disconnecting Booster Cable
- Connecting Booster Cable
- Disconnecting Booster Cable
- Other Troubleshooting
- Electrical System
- Chassis
- Engine
- GUIDES TO MAINTENANCE
- Check Service Meter
- Komatsu Genuine Replacement Parts
- Komatsu Genuine Oils
- Always Use Clean Washer Fluid
- Always Use Clean Oil and Grease
- Checking for Foreign Materials in Drained Oil and On Filters
- Fuel Strainer
- Welding Instructions
- Do Not Drop Things Inside Machine
- Dusty Work Sites
- Avoid Mixing Oil
- Locking Inspection Covers
- Bleeding Air from Hydraulic Circuit
- Precautions When Installing Hydraulic Hoses
- Checks After Inspection and Maintenance
- OUTLINES OF SERVICE
- Handling Oil, Fuel, Coolant, and Performing Oil Clinic
- Fuel
- Coolant and Water for Dilution
- Grease
- Performing KOWA (Komatsu Oil Wear Analysis)
- KOWA Analysis Items
- Oil Sampling
- Storing Oil and Fuel
- Filters
- Outline of Electric System
- WEAR PARTS
- Wear Parts List
- RECOMMENDED FUEL, COOLANT, AND LUBRICANTS
- Fuel, Coolant, and Lubricant Ambient Temperature Chart
- Recommended Brands, Other Than Komatsu Genuine Oil
- Biodiesel Usage
- Biodiesel Recommendation for Komatsu Engines
- Biodiesel Terminology
- Certification and Standards
- Warranty and Use of Biodiesel Fuel in Komatsu Engines
- Requirements for Using Biodiesel Fuel in Komatsu Engines
- Properties of Biodiesel
- Komatsu Biodiesel Blend Specification for B5 to B20
- Summary of Recommendations
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- PERIODIC REPLACEMENT OF SAFETY-CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- Initial 250 Hours Service
- Initial 1000 Hours Service
- When Required
- Clean, Replace Air Cleaner Element
- Clean Inside of Cooling System
- Check Transmission Oil Level, Add Oil
- Check Axle Oil Level, Add Oil
- Clean Axle Case Breather
- Clean Air Conditioner Condenser
- Check Window Washer Fluid Level, Add Fluid
- Clean Radiator Fins and Oil Cooler Fins
- Turn, Replace Bolt-On Cutting Edge
- Replace Bucket Teeth
- Check Air Conditioner
- Replace Slow-Blow Fuse
- Check Accumulator Function
- Select Tires
- Check Tire Pressure
- Check Before Starting
- Every 50 Hours Service
- Drain Water, Sediment from Fuel Tank
- Every 100 Hours Service
- Lubricate Rear Axle Pivot Pin
- Clean Element in Air Conditioner Fresh Air Filter
- Check Oil Level in Hydraulic Tank, Add Oil
- Every 250 Hours Service
- Check Battery Electrolyte Level
- Check Air Conditioner Compressor Belt Tension, Adjust
- Check for Loose Wheel Hub Nuts, Tighten
- Clean Element in Air Conditioner Recirculation Filter
- Lubricating
- Every 500 Hours Service
- Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge
- Replace Fuel Prefilter Cartridge
- Bleeding Air from Fuel Line
- Every 1000 Hours Service
- Replace Fuel Main Filter Cartridge
- Clean Transmission Case Breather
- Check Engine Air Intake Piping Clamps for Looseness
- Check Alternator Driving Belt Tension, Replace
- Replace Corrosion Resistor Cartridge
- Every 2000 Hours Service
- Change Oil in Hydraulic Tank, Replace Hydraulic Tank Filter Element
- Replace Hydraulic Tank Breather Element
- Change Axle Oil
- Replace Element in Air Conditioner Recirculation Air Filter, Fresh Air Filter
- Check Brake Disc Wear
- Check Alternator
- Check Engine Valve Clearance, Adjust
- Check Vibration Damper
- Every 4000 Hours Service
- Check Water Pump
- Check Starting Motor
- Check Air Conditioner Compressor, Adjust
- Check for Loose Engine High-Pressure Piping Clamps, Hardening of Rubber
- Check for Missing Fuel Spray Prevention Caps, Hardening of Rubber
- Every 8000 Hours Service
- Replace High-Pressure Piping Clamps
- Replace Fuel Spray Prevention Caps
- SPECIFICATIONS
- BUCKET AND TIRES
- TORQUE CONVERTER LOCKUP
- Components
- Character Display
- Method of Operation
- Travel Speed Functions
- Travel Speed Warning Function
- Travel Speed Limit Function
- JOYSTICK STEERING SYSTEM
- Structure and Function
- Shift UP, Shift DOWN Switches
- Directional Selector Switch
- Joystick Steering Lever
- Joystick ON/OFF Switch
- HI/LOW Selector Switch
- Horn Switch
- Console Tilt Lever
- Console Fore-and-Aft Adjustment Lever
- Armrest Adjustment Lever
- Steering with Joystick Lever or Steering Wheel
- Precautions for Steering with Joystick
- Operating the Joystick Steering System
- Getting In and Out of Operator’s Cab
- Adjustments
- Adjusting Joystick Console
- Adjusting Seat
- AM/FM RADIO CASSETTE STEREO SOUND SYSTEM
- Sound System Components
- Power Switch/Volume
- Auto-Store/Preset Scan Button
- Bass Control Knob
- Treble Control Knob
- Loudness Button
- Time/Radio Display Selector Button
- Tape Eject Button
- Cassette Door
- Fast-Forward, Rewind Buttons
- Preset Buttons
- Metal Tape Button
- Manual Tuning Buttons
- Seek Tuning Buttons
- Band Selector Button
- Setting Preset Buttons
- Using Auto-Preset
- Using Manual Preset
- Listening to Radio
- Listening to Cassette Tape
- Reversing the Tape
- Precautions When Using
- Handling Cassette Tape
- AUTOMATIC AIR CONDITIONER
- Control Panel
- Main Power Switch
- Fan Switch
- Air Conditioner Switch
- Auto Switch
- Temperature Switch
- FRESH/RECIRC Selector Switch
- Mode Selector Switch
- Cooling Operation
- Heating Operation
- Drying-Heating and Demisting Operation
- When Not Using the Air Conditioner Regularly
- Precautions When Using Air Conditioner
- Cool Box
- Multi-Function Lever
- Work Equipment Lever
- FNR Switch
- Directional Selector Switch Actuation Switch
- Work Equipment Lock Switch
- Using FNR Switch to Change Between Forward and Reverse
- MACHINES EQUIPPED WITH KOMTRAX
- Basic Precautions
Inside this manual
Real pages from this operation & maintenance manual (390 pages). Open the sample pages (PDF, 400 KB)
- Controls and operation, page 180: Check that the bucket control lever (2) and lift arm control
- Maintenance, page 324: MAINTENANCE
- Specifications, page 342: SPECIFICATIONS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA380-6 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Operation & Maintenance Manual CEAM017205$69.85
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This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
This manual
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 390 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).