Komatsu WA470-6, WA480-6 Wheel Loader Operation & Maintenance Manual
447 pages · Publication VEAM660104
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What's inside
From the manual's own table of contents: 229 sections, 402 entries. See sample pages (PDF, 375 KB)
Foreword
EU Directives21 topics
- Safety information
- Signal words
- Safety labels
- Introduction
- Use of machine
- Intended use
- Directions of machine
- Visibility from operator's seat
- Necessary information
- Product Identification Number (PIN)/Machine serial no. plate and position
- Engine serial no. plate and position
- ROPS/FOPS-Cab serial no. plate
- Axle serial no. plate
- Transmission serial no. plate
- Seat operator serial no. plate
- Position of service meter
- Table to enter serial no. and distributor
- Declaration of conformity
- Dimensions, weights and operating data
- CE-Conforming equipment
- Retrofitting by third-party suppliers
Safety5 topics
- Safety labels
- Location of safety labels
- Presentation of safety labels
- General precautions common to operation and maintenance
- Precautions before starting operation
Ensuring safe operation
Understanding the machine1 topic
- Preparations for safe operation
Precautions regarding safety-related equipment
Inspecting machine
Wear well-fitting clothes and protective equipment
Keep machine clean
Precautions inside operator's compartment
Provide fire extinguisher and first aid kit
If any problem is found1 topic
- Fire prevention
Action if fire occurs
Precautions to prevent fire1 topic
- Precautions when getting on or off machine
Use handrails and steps when getting on or off machine
No jumping on or off machine
No people on attachments
Precautions when standing up from operator's seat
Precautions when leaving machine
Emergency exit from operator's cab
Precautions when cleaning cab glass7 topics
- Do not get caught in articulated portion
- Precautions related to protective structures
- Unauthorized modification
- Precautions related to attachments and options
- Precautions when running engine inside building
- Precautions for operation
- Precautions for jobsite
Investigate and confirm jobsite conditions
Working on loose ground
Do not go close to high-voltage cables
Show all 229 sections
Ensure good visibility
Checking signalman's signals and signs
Beware of asbestos dust1 topic
- Starting engine
Warning tag
Inspection and maintenance before starting engine
Precautions when starting engine
Precautions in cold areas
Starting with booster cables1 topic
- Operation
Checks before operation
Precautions when travelling in forward or reverse
Precautions when travelling
Travelling on slopes
Methods of using brake
Emergency lowering system
Precautions when operating
Prohibited operations
Travelling on snow-covered or frozen surfaces
Parking machine1 topic
- Transportation
Loading and unloading1 topic
- Towing
Precautions when towing2 topics
- Precautions for maintenance
- Precautions before starting inspection and maintenance
Display warning tag during inspection and maintenance
Keep work place clean and tidy
Select suitable place for inspection and maintenance
Ensure machine stability
Guards
Only authorized personnel
Appoint leader when working with others
Stop engine before carrying out inspection and maintenance
Two workers for maintenance when engine is running
Turning E.C.S.S. switch off before carrying inspection and maintenance
Installing, removing, or storing attachments
Precautions when working at high places
Precautions when working under machine or work equipment
Proper tools1 topic
- Precautions for inspection and maintenance
Battery main switch
Precautions when welding
Handling battery
Precautions when using hammer
Precautions with high-temperature coolant
Precautions with high-temperature oil
Precautions with high-pressure oil
Precautions for high-pressure fuel
Noise
Handling accumulator and gas spring
Precautions with compressed air
Chemical hazard
Disposing of waste materials
Maintenance of air conditioner
Precautions for high voltage
Method of selecting window washer fluid
Periodic replacement of safety critical parts
End of service life1 topic
- Tires
Handling tires
Precautions when storing tires
Operation5 topics
- General view
- General view of machine
- General view of controls and gauges
- Explanation of components
- Machine monitor
Types of warning
Central warning lamp
Character display portion
Emergency stop item
Caution items
Inspection and maintenance item
Pilot display portion
Meter display portion
Other functions of machine monitor4 topics
- Switches
- Control levers, pedals
- Steering tilt lock lever
- Cap with lock
Method of opening and closing cap with lock4 topics
- Safety bar
- Towing pin
- Grease pump
- Opening, closing cab door, windows
Left door of cab
Open lock knob for cab emergency escape door2 topics
- Backup alarm
- Fuse
Fuse capacity and name of circuit4 topics
- Slow blow fuse
- Location and presentation of relays
- Power outlet
- Air conditioner (standard)
General locations and function of control panel
Method of operation
Precautions when using
Precautions for inspection and maintenance
Cool box2 topics
- Air conditioner (automatic)
- Handling cab wiper
Preventing damage to wiper arm bracket3 topics
- Location of fire extinguisher
- Operation
- Check before starting engine, adjust
Walk-around check
Check before starting
Adjustment
Safety belt
Adjust lever stand
Adjusting mirrors
Operations and checks before starting engine1 topic
- Starting engine
Normal starting
Ambient temperature range for operation and storage
Starting in cold weather
Automatic warming-up operation1 topic
- Checks after starting engine
Check parking brake
Check brake pedal
Check travel of brake pedal
Check for ease of starting engine, abnormal noise
Check engine at low speed and when accelerating
Check location of abnormalities from previous days1 topic
- Operations and checks after starting engine
Breaking-in the machine
Normal operation2 topics
- Stopping engine
- Moving the machine (directional, speed), stopping the machine
Preparations for moving the machine
Changing gear speed
Changing direction
Using switch to change between forward and reverse
Stopping the machine
Transmission cut-off function1 topic
- Turning
Emergency steering1 topic
- Operation of work equipment
Lift arm operation
Bucket operation1 topic
- Work possible using wheel loader
Digging operations
Levelling operation
Pushing operation
Load and carry operations
Loading operations1 topic
- Precautions for operation
Permissible water depth
If wheel brake does not work
Precautions when driving up or down slopes
Precautions regarding brake function1 topic
- Adjusting work equipment posture
Adjusting boom kickout
Adjusting bucket positioner
Bucket level indicator2 topics
- Parking machine
- Checks after completion of operation
Before stopping engine
After stopping engine2 topics
- Locking
- Handling the tires
Precautions when handling tires
Tire pressure
Precautions for using load and carry method3 topics
- Transportation
- Transportation procedure
- Loading, unloading work with trailers
Loading
Securing machine
Unloading1 topic
- Lifting machine
Lifting procedure2 topics
- Cold weather operation
- Precautions for low temperature
Fuel and lubricants
Coolant
Battery10 topics
- Precautions after completion of work
- After cold weather
- Warming-up operation for steering hydraulic circuit in cold weather
- 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 operation1 topic
- If battery is discharged
Removal and installation of battery
Precautions for charging battery
Starting engine with booster cable1 topic
- Other trouble
Electrical system
Chassis
Engine
Maintenance2 topics
- Guides to maintenance
- Outlines of service
(KOMATSU Oil Wear Analysis)
Fuel
Coolant and water for dilution
Grease
Carrying out KOWA (KOMATSU Oil Wear Analysis)
Storing oil and fuel
Filters
Biodegradable hydraulic oil and lubricants6 topics
- Outline of electric system
- Wear parts
- Wear parts list
- Fuel, coolant and lubricants
- Lubrication chart
- Use of fuel, coolant and lubricants according to ambient temperature
KOMATSU genuine oil5 topics
- Standard tightening torques for bolts and nuts
- Torque list
- Periodic replacement of safety critical parts
- Maintenance schedule chart
- Replace injector assembly
Every 12000 hours service2 topics
- Service procedure
- Initial 50 hours service (only after the first 50 hours)
Check for loose wheel hub bolts, tighten1 topic
- Initial 250 hours service (only after the first 250 hours)
Change transmission oil filter cartridge
Replace hydraulic tank filter element1 topic
- Initial 1000 hours service (only after the first 1000 hours)
Check engine valve clearance, adjust1 topic
- 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 washing fluid level, add fluid
Clean radiator fins and cooler fins
Turn, replace bolt on cutting edge
Replace bucket teeth
Check air conditioner
Replace slow blow fuse
Checking function of accumulator
Selection and inspection of tires
Clean, replace fuel breather filter2 topics
- Check before starting
- Every 50 hours service
Drain water, sediment from fuel tank
Check central lubrication system, fill up grease1 topic
- Every 100 hours service
Check oil level in hydraulic tank, add oil
Clean element in air conditioner fresh air filter1 topic
- Every 250 hours service
Check battery electrolyte level
Check alternator belt tension, adjust
Check air conditioner compressor belt tension, adjust
Clean element in air conditioner recirculation filter1 topic
- Every 500 hours service
Change oil in engine oil pan, replace engine oil filter cartridge
Replace fuel pre-filter cartridge1 topic
- Every 1000 hours service
Replace fuel main filter cartridge
Change oil in transmission case and transmission oil filter cartridge, clean strainer
Clean transmission case breather
Lubricating
Check of engine air intake piping clamps for looseness
Replace corrosion resistor cartridge1 topic
- Every 2000 hours service
Change oil in hydraulic tank, replace hydraulic 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 vibration damper1 topic
- Every 4000 hours service
Check water pump
Check air conditioner compressor, adjust
Check starting motor
Check for loose engine high-pressure piping clamps, hardening of rubber
Checking for missing fuel spray prevention cap, hardening of rubber1 topic
- Every 8000 hours service
Replace high-pressure piping clamp
Replace fuel spray prevention cap1 topic
- Every 12000 hours service
Replace injector assembly
Technical Data3 topics
- Noise emission levels
- Vibration level
- Limit values for slopes
Attachments, Options5 topics
- Selecting bucket and tires
- Handling torque converter lock-up
- General locations
- Method of operation
- Warning/limit functions for travel speed
Travel speed warning function
Travel speed limit function31 topics
- Handling machines equipped with KOMTRAX
- Basic precautions
- Joystick steering system
- Components
- Structure and function
- Getting in or out
- Seat adjustment
- Adjustment of joystick console
- Operation using joystick lever and operation using steering wheel
- Precautions for steering with joystick
- Operation method of joystick steering system
- Multi-function lever (with/without auxiliary control lever)
- Explanation of components
- Operation
- 3-lever control
- Explanation of components
- Hydraulic quick coupler (operation with lever)
- Installing the attachment
- Removal and installation of the attachment
- Precautions for use
- Precautions when removing the attachment
- Hydraulic quick coupler (operation with switch)
- Removing the attachment
- Installing the attachment
- Removal and installation of the attachment
- Precautions for use
- Precautions when removing the attachment
- Central lubrication system
- Changing the lubrication interval times
- Operating the central lubrication system
- Display and control unit
LED-display
Pushbuttons
Three-digit LED display
Trouble6 topics
- Cold area kit
- Rear view camera
- Safety information
- Operation of monitor
- Monitor - Version 1
- Monitor - Version 2
Inside this manual
Real pages from this operation & maintenance manual (447 pages). Open the sample pages (PDF, 375 KB)
- Maintenance, page 350: 4.9 Service procedure
- Specifications, page 374: Technical Data
- Controls and operation, page 416: Attachments, Options
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals 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 VEAM660104$69.53
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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, 447 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).