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Komatsu WA30-5 User Manual

Komatsu WA30-5
195 pages
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WA20 -2,WA30 -5
WA40 -3,WA50 -3
WHEEL LOADER
SERIAL NUMBERS   and up
NOTICE
Komatsu has Operation & Maintenance Manuals written in
some other languages. If a foreign language manual is
necessary, contact your local distributor for availability.
Unsafe use of this machine may cause serious injury
or death. Operators and maintenance personnel
must read this manual before operating or maintain-
ing this machine. This manual should be kept near the
machine for reference and periodically reviewed
by all personnel who will come into contact with it. 
WA20 - 11270
WA30 - 18970
WA40 - 13530
WA50 - 20642
SEAM010700

Table of Contents

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Komatsu WA30-5 Specifications

General IconGeneral
BrandKomatsu
ModelWA30-5
CategoryTractor
LanguageEnglish

Summary

Foreword

Safety Information

General Precautions

Unauthorized Modification

Hazards and responsibilities related to modifying the machine without authorization.

Apply Lock When Leaving Operator's Seat

Crucial step to prevent accidental movement when leaving the operator's seat.

Mounting and Dismounting

Safe procedures for getting on and off the machine, emphasizing three-point contact.

Fire Prevention for Fuel and Oil

Precautions to prevent fires involving fuel, oil, and antifreeze.

Handling at High Temperatures

Safety measures when working with hot fluids or components.

Crushing or Cutting Prevention

Warning against placing body parts between movable machine components.

Using ROPS

Guidelines for the safe use and importance of the Roll-Over Protective Structure (ROPS).

Precautions for Attachments

Safety advice regarding the use of authorized attachments and their manuals.

Precautions During Operation

Before Starting Engine

Essential checks and precautions before starting the engine for operation.

Operating Machine

Procedures and safety checks for operating the machine, including starting and checks.

Precautions When Traveling

Safe driving practices, speed, turns, and handling abnormalities.

Traveling on Slopes

Specific safety measures and techniques for operating on slopes.

Do Not Go Close to High-Voltage Cables

Critical safety warning about maintaining safe distances from high-voltage cables.

Precautions When Operating

Safety advice for operating near edges, ditches, and avoiding dust.

Operate Carefully on Snow

Specific precautions for operating on snow or icy roads, including tire chains.

Do Not Hit Work Equipment

Warning to avoid hitting work equipment in confined spaces or under obstacles.

Working on Loose Ground

Safety measures for operating on unstable ground, cliffs, or near ditches.

Parking the Machine

Procedures for safely parking the machine on level ground or slopes.

Starting with Booster Cables

Safe procedures for jump-starting the machine using booster cables.

Precautions for Maintenance

Before Carrying Out Maintenance

Essential precautions before starting any maintenance work, including warning tags and tools.

Periodic Replacement of Safety Critical Parts

Importance and schedule for replacing critical safety parts that deteriorate over time.

Stop Engine for Inspection and Maintenance

Critical safety step to stop the engine and secure the machine before maintenance.

Lock Front and Rear Frames

Procedure to lock the articulated frame for safety during maintenance.

Work Equipment Support

How to safely support raised work equipment during inspection or maintenance.

Adding Fuel or Oil

Safe practices for refueling and adding oil, including stopping the engine.

Prevention of Fire

Measures to prevent fire during maintenance, involving flammable materials.

During Maintenance

Safety guidelines for personnel, attachments, working under the machine, and cleanliness.

Handling High-Pressure Hoses

Precautions for handling high-pressure hoses to prevent bursting or leaks.

High Pressure Oil Precautions

Safety measures when dealing with pressurized hydraulic oil, especially leaks.

Maintenance at High Temperature or Pressure

Safety measures for maintenance involving hot or pressurized fluids, emphasizing cooling down.

Rotating Fan and Belt

Warning to keep clear of rotating fan and belt to avoid entanglement or injury.

Operating with Chassis Raised

Safety procedures when the machine chassis is raised, including blocking and locking.

Handling Tires

Precautions for safe tire use, including inflation pressure and overload avoidance.

Position for Attaching Safety Labels

Precautions Before Starting

General safety precautions to read before operation, inspection, or maintenance.

Precautions for Safety Lock Lever

Importance of correctly using the safety lock lever to prevent unexpected machine movement.

Precautions When Traveling in Reverse

Specific safety advice for traveling in reverse, emphasizing checking for people and visibility.

Do Not Enter Articulated Area

Critical warning against entering the articulated area of the machine during operation due to crush hazard.

Precautions for Safety Bar

Safety measures for using the safety bar during transportation or servicing to prevent frame bending.

Hot Coolant Precautions

Safety steps for handling hot coolant, including cooling and slow cap removal.

Handling Battery Cable

Safety guidelines for connecting/disconnecting battery and booster cables.

Handling Battery

General safety precautions for handling batteries, avoiding sparks and acid exposure.

Explanation of Components

Safety Lock (Directional Lever)

Secures the directional lever to prevent accidental movement, especially when leaving the seat.

Work Equipment Control Lever

Operates the lift arm and bucket functions like raise, lower, tilt, and dump.

Safety Lock (Work Equipment Control Lever)

Secures the work equipment control lever to prevent accidental operation during maintenance.

Brake Pedals

Controls the machine's braking system for stopping and deceleration.

Safety Bar

Used for maintenance or transport to lock frames and prevent bending.

Check Before Starting Engine

Walk-Around Check

Daily pre-operation check of the machine's exterior for damage, leaks, and loose parts.

Check Before Starting

Daily checks to perform before starting the engine, including pilot lamps and fluid levels.

Operations and Checks Before Starting Engine

Ensures all safety locks and controls are correctly set before starting the engine.

Starting Engine

Normal Starting

Step-by-step procedure for starting the engine under normal conditions.

Starting in Cold Weather

Specific procedure for starting the engine in cold temperatures, including preheating.

Operations and Checks After Starting Engine

Moving Machine Off

Changing Direction

Turning

Stopping Machine

Operation of Work Equipment

Work Possible Using Wheel Loader

Digging Operations

Instructions for performing digging and scooping operations safely and efficiently.

Load and Carry Operations

Method for load and carry operations, focusing on lowering center of gravity and path maintenance.

Loading Operations

Methods for efficient loading operations, including cross drive and V-shape loading.

Precautions for Operation

Driving Up or Down Slopes

Safety measures for operating on slopes, including turning and braking.

Adjusting Work Equipment Posture

Parking Machine

Checks After Operation Completion

Stopping Engine

Stopping Engine

Proper procedure for stopping the engine to prevent premature wear and ensure gradual cooling.

Handling the Tires

Precautions When Handling Tires

Safety guidelines for tire use, covering wear limits and damage conditions.

Tire Pressure

Recommended tire inflation pressures for different models and conditions.

Transportation

Loading and Unloading Work

Safety precautions for loading and unloading the machine onto transport vehicles.

Lifting Machine

Critical safety instructions and procedures for lifting the machine using appropriate equipment.

Cold Weather Operation

Precautions for Low Temperature

Measures to take when operating in low temperatures, focusing on engine starting and coolant.

Long-Term Storage

Troubleshooting

Towing the Machine

Safety precautions and procedures for towing a broken-down machine.

Starting Engine with Booster Cable

Detailed procedure for jump-starting the engine using booster cables, with safety warnings.

Guides to Maintenance

Fuel, Coolant, and Lubricants by Ambient Temperature

Standard Tightening Torques for Bolts and Nuts

Periodic Replacement of Safety Critical Parts

Maintenance Schedule Chart

Service Procedure

Check Fuel Level and Add Fuel

Procedure for checking the fuel level and refueling the machine safely.

Check Engine Oil Level and Add Oil

Procedure for checking and adding engine oil, ensuring correct levels.

Seat Belt

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