Target Audience:
Owners, mechanics, and technicians seeking professional-grade service information for the Komatsu WA120L-3MC wheel loader.
Advantage:
Komatsu's renowned engineering quality ensures reliability and efficiency, with features like articulated frame steering and heavy-duty full-floating axles for exceptional performance and durability.
Articulated Frame Steering:
Enhances maneuverability in tight spaces.
Heavy-Duty Axles:
Full-floating axles for increased load capacity.
Powershift Transmission:
Provides smooth shifting and efficient power delivery.
Engine:
Complete engine service information including removal, disassembly, inspection, and reassembly.
Powertrain:
Transmission, torque converter, drive shafts, and axles.
Hydraulics:
Hydraulic system components, including pumps, valves, cylinders, and hoses.
Electrical:
Wiring diagrams, electrical components, and troubleshooting guides.
Cooling:
Radiator, cooling fan, and related components.
Operator Station:
Cab, controls, and instrumentation.
Chassis and Frame:
Frame structure, articulation joint, and attachments.
Preventative Maintenance:
Scheduled maintenance procedures and checklists.
Troubleshooting:
Diagnostic procedures and fault finding guides.
Testing and Adjustment:
Procedures for testing systems and making necessary adjustments.
Disassembly and Assembly:
Step-by-step instructions for major components.
Removal and Installation:
Guidance for replacing parts and components.
Technical Specifications:
In-depth specifications for all major systems.
Diagrams and Illustrations:
Detailed photos, drawings, and exploded views.
Torque Specifications:
Fastener torque values for critical joints.
Part Numbers:
OEM part numbers for replacement parts.
Exploded Views:
Diagrams showing parts positioning and assembly.
Compatibility:
All devices that can read PDF files, including computers, tablets, and smartphones.
Requirements:
PDF reader software (e.g., Adobe Acrobat Reader)
Searchability:
Text searchable for quick access to information.
Print Resolution:
High-resolution for clear text and detailed diagrams.
Paper Type:
Not applicable - digital download
Crash Test Information:
N/A - not applicable for construction equipment
Operator Presence System:
Engine cut-off if operator leaves seat
Seat Belt:
Operator seat belt
ROPS/FOPS Cab:
Rollover protective structure (ROPS) and falling objects protective structure (FOPS) as standard
Backup Alarm:
Audible alarm when reversing
Engine Oil Change:
Every 250 hours or 6 months, whichever comes first
Hydraulic Oil Change:
Every 1000 hours or annually
Transmission Fluid Change:
Every 1000 hours or annually
Engine Oil:
API CF-4 or higher, SAE 15W-40
Hydraulic Oil:
Komatsu genuine hydraulic oil or equivalent ISO VG 46
Transmission Fluid:
Komatsu genuine transmission fluid or equivalent Dexron III
Brake Pads:
Inspect every 500 hours, replace as needed
Bucket Edges and Teeth:
Regular inspection for wear and replacement
Belts and Hoses:
Check for cracks and wear, replace as needed
Filters:
Air, fuel, and hydraulic filters should be replaced at scheduled intervals
