Komatsu WA470-8 Wheel Loader Service Manual
3,570 pages · Publication SEN06514-08
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- Models
- WA470-8
- Serial coverage
- 100001 and up
- Manual type
- Service Manual
- Pages
- 3,570
- Publication
- SEN06514-08
- Condition
- Brand new

What's inside
From the manual's own table of contents: 375 sections, 700 entries. See sample pages (PDF, 1010 KB)
Show all 375 sections
COOLING SYSTEM3 topics
- LAYOUT DRAWING OF COOLING SYSTEM
- COOLING FAN CONTROL SYSTEM
- COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM5 topics
- LAYOUT DRAWING OF CONTROL SYSTEM
- MACHINE MONITOR SYSTEM
- REARVIEW MONITOR SYSTEM
- KOMTRAX SYSTEM
- COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM4 topics
- LAYOUT DRAWING OF HYDRAULIC SYSTEM
- CLSS
- WORK EQUIPMENT PUMP AND STEERING PUMP CONTROL SYSTEM
- COMPONENT PARTS OF HYDRAULIC SYSTEM
POWER TRAIN SYSTEM8 topics
- LAYOUT DRAWING OF POWER TRAIN SYSTEM
- OPERATION OF POWER TRAIN SYSTEM
- TRANSMISSION CONTROL SYSTEM
- TRANSMISSION GEAR SHIFT CONTROL SYSTEM
- TRANSMISSION PROTECTION FUNCTION
- DIRECTIONAL SELECTOR SWITCH CONTROL FUNCTION
- TRANSMISSION CUT-OFF FUNCTION
- COMPONENT PARTS OF POWER TRAIN SYSTEM
WORK EQUIPMENT SYSTEM10 topics
- LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
- WORK EQUIPMENT SYSTEM DIAGRAM
- WORK EQUIPMENT CONTROL SYSTEM
- WORK EQUIPMENT NEUTRAL LOCK SYSTEM
- REMOTE POSITIONER SYSTEM
- BUCKET POSITIONER AND BOOM POSITIONER
- SYSTEM
- SEMI AUTO-DIGGING SYSTEM
- ECSS
- COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
STEERING SYSTEM5 topics
- LAYOUT DRAWING OF STEERING SYSTEM
- SECONDARY STEERING SYSTEM
- JOYSTICK STEERING SYSTEM
- STEERING COLUMN
- COMPONENT PARTS OF STEERING SYSTEM
BRAKE SYSTEM8 topics
- LAYOUT DRAWING OF BRAKE SYSTEM
- PARKING BRAKE CONTROL SYSTEM
- BRAKE COOLING CONTROL SYSTEM
- COMPONENT PARTS OF BRAKE SYSTEM
- LAYOUT DRAWING OF AUTO-GREASING SYSTEM
- SPECIFICATIONS OF AUTO-GREASING SYSTEM
- FUNCTION OF AUTO-GREASING SYSTEM
- COMPONENT PARTS OF AUTO-GREASING SYSTEM
UNDERCARRIAGE AND FRAME2 topics
- FRAME, AXLE MOUNT AND CENTER HINGE PIN
- TIRE
WORK EQUIPMENT2 topics
- STRUCTURE OF WORK EQUIPMENT
- STRUCTURE OF BUCKET
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT25 topics
- TEST WHEEL BRAKE OIL PRESSURE
- TEST AND ADJUST ACCUMULATOR CHARGE PRESSURE
- TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BRAKE
- TEST BRAKING PERFORMANCE
- TEST BRAKE PEDAL
- BLEED AIR FROM BRAKE CIRCUIT
- TEST AND ADJUST BRAKE PEDAL AND LINKAGE
- TEST LOWERING OF WHEEL BRAKE PRESSURE
- TEST WEAR OF WHEEL BRAKE DISC
- TEST PARKING BRAKE OIL PRESSURE
- TEST PARKING BRAKE PERFORMANCE
- RELEASE PARKING BRAKE MANUALLY
- TEST WEAR AMOUNT OF PARKING BRAKE DISC
- RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT
- TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE
- TEST AND ADJUST WORK EQUIPMENT EPC OIL PRESSURE
- BLEED AIR FROM WORK EQUIPMENT CIRCUIT
- TEST COOLING FAN SPEED
- TEST COOLING FAN CIRCUIT OIL PRESSURE
- BLEED AIR FROM COOLING FAN CIRCUIT
- NITROGEN GAS
- TEST AND ADJUST BUCKET POTENTIOMETER LEVER
- TEST AND ADJUST BOOM POTENTIOMETER LEVER
- TEST DIRECTIONAL LEVER
- TEST WORK EQUIPMENT CONTROL LEVER
ELECTRICAL SYSTEM7 topics
- SET AND ADJUST EACH EQUIPMENT
- SET AND OPERATE MACHINE MONITOR
- METHOD FOR STARTING UP KOMTRAX TERMINAL
- ADJUST REARVIEW CAMERA ANGLE
- HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
- HANDLE BATTERY DISCONNECT SWITCH
- TEST DIODES
DEVICE3 topics
- BLEED THE AIR OF AUTO-GREASING SYSTEM
- VALVE
- CHANGING OF LUBRICATION TIME AND LUBRICATION INTERVAL TIMES
Pm CLINIC1 topic
- Pm CLINIC SERVICE
RELATED INFORMATION ON TROUBLESHOOTING10 topics
- GENERAL TROUBLESHOOTING POINTS
- TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM
- SEQUENCE OF EVENTS IN TROUBLESHOOTING
- CHECKS BEFORE TROUBLESHOOTING
- INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
- TESTING IN ACCORDANCE WITH TESTING PROCEDURE
- ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION
- PROCEDURE FOR TESTING AND TROUBLESHOOTING
- SYMPTOM AND TROUBLESHOOTING NUMBERS
- INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
FAILURE CODE [B@BAZG]58 topics
- FAILURE CODE [B@BAZK]
- FAILURE CODE [B@BCNS]
- FAILURE CODE [B@BCZK]
- FAILURE CODE [B@C7NS]
- FAILURE CODE [B@CENS]
- FAILURE CODE [B@HANS]
- FAILURE CODE [CA115]
- FAILURE CODE [CA122]
- FAILURE CODE [CA123]
- FAILURE CODE [CA131]
- FAILURE CODE [CA132]
- FAILURE CODE [CA135]
- FAILURE CODE [CA141]
- FAILURE CODE [CA144]
- FAILURE CODE [CA145]
- FAILURE CODE [CA153]
- FAILURE CODE [CA154]
- FAILURE CODE [CA187]
- FAILURE CODE [CA221]
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- FAILURE CODE [CA227]
- FAILURE CODE [CA234]
- FAILURE CODE [CA238]
- FAILURE CODE [CA239]
- FAILURE CODE [CA249]
- FAILURE CODE [CA256]
- FAILURE CODE [CA271]
- FAILURE CODE [CA272]
- FAILURE CODE [CA273]
- FAILURE CODE [CA274]
- FAILURE CODE [CA322]
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- FAILURE CODE [CA325]
- FAILURE CODE [CA331]
- FAILURE CODE [CA332]
- FAILURE CODE [CA343]
- FAILURE CODE [CA351]
- FAILURE CODE [CA352]
- FAILURE CODE [CA356]
- FAILURE CODE [CA357]
- FAILURE CODE [CA386]
- FAILURE CODE [CA431]
- FAILURE CODE [CA432]
- FAILURE CODE [CA441]
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- FAILURE CODE [CA559]
- FAILURE CODE [CA595]
- FAILURE CODE [CA687]
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FAILURE CODE [CA2386]58 topics
- FAILURE CODE [CA2387]
- FAILURE CODE [CA2555]
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- FAILURE CODE [CA3558]
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FAILURE CODE [CA4461]58 topics
- FAILURE CODE [CA4658]
- FAILURE CODE [CA4731]
- FAILURE CODE [CA4732]
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- FAILURE CODE [CA4768]
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FAILURE CODE [DHT8KA]58 topics
- FAILURE CODE [DHT8KB]
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Inside this manual
Real pages from this service manual (3,570 pages). Open the sample pages (PDF, 1009 KB)
- Diagram, page 420: SHIFT HOLD SWITCH
- Troubleshooting, page 1,575: Defective KDOC inlet
- Specifications, page 3,335: MAINTENANCE STANDARD OF MAIN RELIEF VALVE AND TORQUE CON-
- Color page, page 3,351: STEERING SYSTEM
- Color page, page 132: UREA SCR SYSTEM DIAGRAM
- Foldout diagram, page 3,540: ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (FOR EUROPEAN UNION AND JAPAN) (1/9)
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA470-8 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service 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.
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.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
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, 3,570 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
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).