Komatsu WA180-3, WA180L-3 Wheel Loader Service Manual
583 pages · Publication CEBM001102
Added to your cart. View cart
What's inside
From the manual's own table of contents: 4 sections, 158 entries. See sample pages (PDF, 769 KB)
General5 topics
- GENERAL
- STRUCTURE AND FUNCTION
- TESTING AND ADJUSTMENT
- DISASSEMBLY AND ASSEMBLY
- MAINTENANCE STANDARD
STRUCTURE AND FUNCTION27 topics
- AIR CONDITIONER
- ELECTRIC CIRCUIT DIAGRAM
- SYSTEM)
- OPERATION
- ELECTRICAL WIRING ILLUSTRATION
- ELECTRICAL WIRING DIAGRAM (1/2)
- CENTRAL PANEL (CLUSTER GAUGE)
- SENSOR
- ENGINE OIL PRESSURE
- BRAKE OIL LEVEL
- ENGINE STARTING CIRCUIT
- ENGINE STOP CIRCUIT
- AUTOMATIC PREHEATING CIRCUIT
- QUICK HEATING SYSTEM (Q.H.S.)
- Q.H.S. CONTROLLER
- HEATER RELAY
- RIBBON HEATER
- Q.H.S. WATER TEMPERATURE SENSOR
- ELECTRICAL TRANSMISSION CONTROL
- COMBINATION SWITCH
- TRANSMISSION CUT-OFF FUNCTION
- PARKING BRAKE FUNCTION
- KICK-DOWN SWITCH
- KICK-DOWN SWITCH OPERATED
- CANCELED (1)
- CANCELED (2)
- CANCELED (3)
TROUBLESHOOTING56 topics
- Points to remember when trouble shooting
- Sequence of events in troubleshooting
- Precautions when carrying out maintenance
- Checks before troubleshooting
- Handling connectors
- Precautions when troubleshooting
- Preventing recurrence of trouble
- Method of using troubleshooting charts
- Troubleshoting of engine system
- Troubleshooting of hydraulic and mechanical system (chassis related)
- Troubleshooting of Eagle Air Conditioner
- Starting performance is poor (Staring always take time)
- Engine does not start
- Engine does not pick up smoothly (Follow up is poor)
- Engine stops during operations
- Engine does not rotate smoothly (hunting)
- Engine lacks output (no power)
- Exhaust gas is black (incomplete combustion)
- Oil consumption is excessive (or exhaust gas is blue
- Oil becomes contaminated quickly
- Fuel consumption is excessive
- Oil is in cooling water, or water spurts back, or water level goes down
- Oil pressure lamp lights up (drop in oil pressure)
- Oil level rises
- Water temperature becomes too high (overheating)
- Abnormal noise is made
- Vibration is excessive
- T-1 Machine does not start
- T-2 Travel speed is slow, thrusting power is weak, lacks power on slopes
- T-3 Excessive shock when starting machine or shifting gear
- T-4 Excessive time lag when starting machine or shifting gear
- T-5 Torque converter oil temperature is high
- S-1 Steering wheel does not turn
- S-2 Steering is heavy
- S-3 Steering wheel shakes or there is excessive shock
- S-4 Deviates to one side when traveling
- S-5 Turning radius is different between left and right
- S-6 Excessive shock to machine when steering wheel is turned fully to left or right
- A-1 Brakes do not work or braking effect is poor
- A-2 Brake is not released, brake drags
- WORK EQUIPMENT
- Boom does not rise
- Boom movement is slow or boom lacks lifting power
- When boom is raised, it moves slowly at a certain height
- Bucket cannot be pushed with boom cylinder (bucket floats)
- Excessive hydraulic drift of boom
- Boom shakes during operation
- Boom drops momentarily when control lever is operated from HOLD to RAISE
- Bucket does not tilt back
- Bucket movement is slow or tilt-back lacks power
- Bucket movement becomes slow during tilt-back operation
- Bucket cannot be pushed with bucket cylinder
- Excessive hydraulic drift of bucket
- Bucket shakes during loading operation
- Bucket dumps momentarily when control lever is operated from HOLD to TILT
- Boom, bucket control levers are heavy or do not move smoothly
DISASSEMBLY AND ASSEMBLY18 topics
- METHOD OF USING MANUAL
- PRECAUTIONS WHEN CARRYING OUT OPERATION
- Precautions when carrying out removal work
- Precautions when carrying out installation work
- Precautions when completing the operations
- SPECIAL TOOL LIST
- STARTING MOTOR
- REMOVAL
- INSTALLATION
- ALTERNATOR
- FUEL INJECTION PUMP
- ENGINE OIL COOLER
- WATER PUMP
- NOZZLE HOLDER
- THERMOSTAT
- TURBOCHARGER
- CYLINDER HEAD
- RADIATOR
DISASSEMBLY AND ASSEMBLY48 topics
- ENGINE
- ENGINE HOOD
- EXHAUST MUFFLER
- AIR CLEANER
- TORQUE CONVERTER CHARGING PUMP
- TORQUE CONVERTER, TRANSMISSION
- TORQUE CONVERTER
- DISASSEMBLY
- ASSEMBLY
- TRANSMISSION
- DISASSEMBLY OF PARKING BRAKE
- ASSEMBLY OF PARKING BRAKE
- TRANSMISSION CLUTCH PACK
- DISASSEMBLY OF 1ST, REVERSE CLUTCH
- DISASSEMBLY OF FORWARD, 2ND CLUTCH PACK
- DISASSEMBLY OF 3RD, 4TH CLUTCH PACK
- ASSEMBLY OF CLUTCH PACK
- ASSEMBLY OF 1ST, REVERSE CLUTCH PACK
- ASSEMBLY OF FORWARD, 2ND CLUTCH PACK
- ASSEMBLY OF 3RD, 4TH CLUTCH PACK
- TRANSMISSION CONTROL VALVE
- TRANSMISSION SOLENOID VALVE
- TRANSMISSION ACCUMULATOR VALVE
- DRIVE SHAFT
- FRONT AXLE
- REAR AXLE
- DIFFERENTIAL
- AXLE HOUSING
- CENTER HINGE PIN
- PRIORITY VALVE
- STEERING VALVE
- MAIN CONTROL VALVE
- STEERING CYLINDER
- BRAKE BOOSTER
- PARKING BRAKE
- HYDRAULIC TANK
- HYDRAULIC FILTER
- HYDRAULIC STEERING PUMP
- BUCKET CYLINDER
- BOOM CYLINDER
- HYDRAULIC CYLINDER
- FUEL TANK
- COUNTERWEIGHT
- REMOVAL OF LEFT AND RIGHT COUNTERWEIGHTS
- INSTALLATION OF LEFT AND RIGHT COUNTERWEIGHTS
- REMOVAL OF REAR COUNTERWEIGHT
- INSTALLATION OF REAR COUNTERWEIGHT
- INSTRUMENT PANEL
Inside this manual
Real pages from this service manual (583 pages). Open the sample pages (PDF, 768 KB)
- Specifications, page 35: GENERAL
- Troubleshooting, page 251: TROUBLESHOOTING
- Diagram, page 332: ENGINE
- Foldout diagram
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.
Added to your cart. View cart
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, 583 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
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).