Komatsu WA150L-5 Wheel Loader Operation and Maintenance Manual (TEN00078-00)
A WA150L-5 spends its life in loader yards, small quarries, and construction sites, cycling buckets all day in dust and changing weather. This Operation and Maintenance Manual is what I’d keep on hand to set a solid service rhythm, so the machine starts every morning and doesn’t surprise you mid-load. When a driver reports slow hydraulic response or uneven braking, this is the book I’d use to walk them through basic checks before we drag it into the shop.
Applications & Use Cases
- Set up a preventive maintenance schedule so filters, belts, and pins get attention before they fail on a busy shift.
- Trace early wear signs—unusual noises, heat, or vibration—and decide if it’s safe to keep running until the next planned stop.
- Verify daily and weekly inspection points for operators, reducing missed grease points and loose hardware.
- Plan parts and labor ahead of time, using the recommended service rhythm to group tasks and cut downtime.
- Train new operators on proper warm-up, shutdown, and operating habits that extend component life.
FAQ
Q: Can I keep this manual on a tablet in the cab?
A: Yes, that works well; just make sure it’s saved offline so you can open it without a signal.
Q: Is it worth printing sections of this manual?
A: I’d print the inspection checklists and service interval pages and keep them in a binder in the shop.
Safety Note
Always follow the manual’s lockout, support, and engine shutdown instructions before inspecting or servicing the loader.
📘 Show Index
Komatsu WA150L-5 Wheel Loader Index:
- COVER
- FOREWORD
- FOREWORD
- SAFETY INFORMATION
- INTRODUCTION
- FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE
- NECESSARY INFORMATION
- PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
- ENGINE SERIAL NO. PLATE
- POSITION OF SERVICE METER
- TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
- CONTENTS
- SAFETY
- SAFETY
- SAFETY LABELS
- LOCATION OF SAFETY LABELS
- SAFETY LABELS
- GENERAL PRECAUTIONS
- SAFETY RULES
- IF ABNORMALITIES ARE FOUND
- CLOTHING AND PERSONAL PROTECTIVE ITEMS
- FIRE EXTINGUISHER AND FIRST AID KIT
- SAFETY FEATURES
- KEEP MACHINE CLEAN
- INSIDE OPERATOR’S COMPARTMENT
- ALWAYS APPLY LOCK WHEN LEAVING OPERATOR’S SEAT
- HANDRAILS AND STEPS
- MOUNTING AND DISMOUNTING
- NO PEOPLE ON ATTACHMENTS
- DO NOT GET CAUGHT IN ARTICULATED PORTION
- PREVENTION OF BURNS
- FIRE PREVENTION
- ACTION IF FIRE OCCURS
- WINDOW WASHER LIQUID
- PRECAUTIONS WHEN USING ROPS (ROLL OVER PROTECTIVE STRUCTURE)
- PRECAUTIONS FOR ATTACHMENTS, OPTIONS
- UNAUTHORIZED MODIFICATION
- SAFETY AT WORKSITE
- WORKING ON LOOSE GROUND
- DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES
- ENSURE GOOD VISIBILITY
- VENTILATION FOR ENCLOSED AREAS
- CHECKING SIGNALMAN’S SIGNALS AND SIGNS
- EMERGENCY EXIT FROM OPERATOR’S CAB
- BE CAREFUL ABOUT ASBESTOS DUST
- PRECAUTIONS FOR OPERATION
- STARTING ENGINE
- OPERATION
- TRANSPORTATION
- BATTERY
- TOWING
- PRECAUTIONS FOR MAINTENANCE
- WARNING TAG
- KEEP WORK PLACE CLEAN AND TIDY
- APPOINT LEADER WHEN WORKING WITH OTHERS
- STOP ENGINE BEFORE CARRYING OUT MAINTENANCE
- TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING
- INSPECTION AND MAINTENANCE AFTER TURNING E.C.S.S. SWITCH OFF
- PROPER TOOLS
- ACCUMULATOR
- PERSONNEL
- ATTACHMENTS
- WORK UNDER THE MACHINE
- NOISE
- PRECAUTIONS WHEN USING HAMMER
- REPAIR WELDING
- REMOVING BATTERY TERMINAL
- PRECAUTIONS WITH HIGH-PRESSURE OIL
- HANDLING HIGH-PRESSURE HOSES
- WASTE MATERIALS
- MAINTENANCE OF AIR CONDITIONER
- COMPRESSED AIR
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- PRECAUTIONS WITH TIRES
- HANDLING TIRES
- PRECAUTIONS WHEN STORING TIRES
- OPERATION
- GENERAL VIEW
- GENERAL VIEW OF MACHINE
- GENERAL VIEW OF CONTROLS AND GAUGES
- EXPLANATION OF COMPONENTS
- MACHINE MONITOR
- SWITCHES
- CONTROL LEVERS, PEDALS
- STEERING TILT LOCK LEVER
- CAP AND COVER WITH LOCK
- FRAME LOCK BAR
- TOWING PIN
- GREASE PUMP
- CAB DOOR INNER LOCK
- CAB DOOR OPEN LOCK
- CAB WINDOW OPEN LOCK CANCEL KNOB
- FUSE
- SLOW BLOW FUSE
- POWER OUTLET
- STORAGE BOX
- AM/FM RADIO-CASSETTE STEREO
- AIR CONDITIONER
- HANDLING CAB WIPER
- OPERATION
- CHECK BEFORE STARTING ENGINE, ADJUST
- STARTING ENGINE
- OPERATIONS AND CHECKS AFTER STARTING ENGINE
- STOPPING ENGINE
- MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE
- TURNING
- OPERATION OF WORK EQUIPMENT
- WORK POSSIBLE USING WHEEL LOADER
- PRECAUTIONS FOR OPERATION
- ADJUSTING WORK EQUIPMENT POSTURE
- PARKING MACHINE
- CHECKS AFTER COMPLETION OF OPERATION
- LOCKING
- HANDLING THE TIRES
- TRANSPORTATION
- TRANSPORTATION PROCEDURE
- LOADING, UNLOADING WORK WITH TRAILERS
- LIFTING MACHINE
- COLD WEATHER OPERATION
- PRECAUTIONS FOR LOW TEMPERATURE
- PRECAUTIONS AFTER COMPLETION OF WORK
- AFTER COLD WEATHER
- WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER
- LONG-TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- TROUBLESHOOTING
- WHEN MACHINE RUNS OUT OF FUEL
- METHOD OF TOWING MACHINE
- IF BATTERY IS DISCHARGED
- OTHER TROUBLE
- MAINTENANCE
- GUIDES TO MAINTENANCE
- OUTLINES OF SERVICE
- HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
- OUTLINE OF ELECTRIC SYSTEM
- WEAR PARTS
- RECOMMENDED FUEL, COOLANT, AND LUBRICANT
- USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
- RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- INITIAL 250 HOURS SERVICE
- WHEN REQUIRED
- CHECK BEFORE STARTING
- EVERY 50 HOURS SERVICE
- EVERY 100 HOURS SERVICE
- EVERY 250 HOURS SERVICE
- EVERY 500 HOURS SERVICE
- EVERY 1000 HOURS SERVICE
- EVERY 2000 HOURS SERVICE
- EVERY 4000 HOURS SERVICE
- SPECIFICATIONS
- ATTACHMENTS, OPTIONS
- SELECTING BUCKET AND TIRES
- INDEX
Link Belt
