Komatsu WA20-2, WA30-5, WA40-3, WA50-3 Wheel Loader Operation & Maintenance Manual
196 pages · Publication SEAM010700
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What's inside
From the manual's own table of contents: 26 sections, 96 entries. See sample pages (PDF, 352 KB)
Precautions during operation5 topics
- Before starting engine
- Operating machine
- Transportation
- Battery
- Towing
Precautions for maintenance3 topics
- Before carrying out maintenance
- During maintenance
- Tires
General view2 topics
- General view of machine
- General view of controls and gauges
Explanation of components11 topics
- Meter, lamps
- Switches
- Control levers, pedals
- Cap with lock
- Safety bar
- Tilt hood
- Towing pin
- Fuse
- Fusible link
- Manual pocket
- Connectors
Operation17 topics
- Check before starting engine
- Starting engine
- Operations and checks after starting engine
- Moving machine off
- Changing direction
- Turning
- Stopping machine
- Operation of work equipment
- Work possible using wheel loader
- Precautions for operation
- Adjusting work equipment posture
- Parking machine
- Checks after completion of operation
- Stopping engine
- Check after stopping engine
- Locking
- Handling the tires
Transportation5 topics
- Loading, unloading work
- Precautions for loading
- Lifting machine
- Precautions for transportation
- Removing and installation of canopy
Cold weather operation3 topics
- Precautions for low temperature
- Precautions after completion of work
- After cold weather
Long-term storage3 topics
- Before storage
- During storage
- After storage
Troubleshooting4 topics
- When machine runs out of fuel
- Towing the machine
- If battery is discharged
- Other trouble
Guides to maintenance2 topics
- Outline of oil, fuel, coolant
- Outline of electric system
Standard tightening torques for bolts and nuts2 topics
- Introduction of necessary tools
- Torque list
Service Procedure8 topics
- Initial 250 hours service
- When required
- Check before starting
- Every 50 hours service
- Every 250 hours service
- Every 500 hours service
- Every 1000 hours service
- Every 2000 hours service
Show all 26 sections
Seat belt3 topics
- Fastening and removing belt
- Adjust belt length
- Check seat belt and mounts
Equipment with cab2 topics
- Rear window
- Check and maintenance
Inside this manual
Real pages from this operation & maintenance manual (196 pages). Open the sample pages (PDF, 351 KB)
- Controls and operation, page 52: SAFETY LOCK (for work equipment control lever)
- Maintenance, page 121: 18. OUTLINES OF SERVICE
- Specifications, page 190: PERFORMANCE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA30-5 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 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.
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, 196 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).