KOMATSU WA250-6 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:75813 & UP) KOMATSU WA250 6 – PDF DOWNLOAD

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KOMATSU WA250-6 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:75813 & UP) KOMATSU WA250 6

KOMATSU WA250-6 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:75813 & UP) KOMATSU WA250 6 – PDF DOWNLOAD:

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KOMATSU WA250-6 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:75813 & UP) KOMATSU WA250 6

• This manual gives details of the operation and methods of inspection and maintenance for this machine that must be obeyed in order to use the machine safely. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. Read, understand and follow all precautions and warnings in this manual and on the machine before performing operation and maintenance. Failure to do so may result in serious injury or death.
• Komatsu cannot predict every circumstance that might involve a potential hazard when the machine is used. Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions. If you carry out any operation, inspection, or maintenance under conditions that are not described in this manual, understand that it is your responsibility to take the necessary precautions to ensure safety. In no event should you or others engage in the prohibited uses or actions described in this manual.
• Improper operation and maintenance of the machine can be hazardous and could result in serious injury or death. If you sell the machine, be sure to give this manual to the new owner together with the machine. Always keep this Operation and Maintenance Manual in the location shown on the right so that all relevant personnel can read it at any time. Storage location for the Operation and Maintenance Manual: Pocket (1) at rear of operator’s seat If this manual is lost or damaged, contact your distributor immediately to arrange for its replacement. For details regarding the machine serial No. you will need to provide your Komatsu distributor, see “TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR (PAGE 1-6)”.
• This manual uses the international units (SI) for units of measurement. For reference, units that have been used in the past are given in ( ). The explanations, values, and illustrations in this manual have been prepared based on the latest information available as of the date of its publication. Continuing improvements in the design of this machine may lead to additional changes that are not reflected in this manual.
• Consult Komatsu or your Komatsu distributor for the latest available information concerning your machine or with questions regarding information contained in this manual. The numbers in circles in the illustrations correspond to the numbers in ( ) in the text. (For example:1 → (1)) Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped.
• If this machine has been purchased in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu distributor before operating the machine.

TABLE OF CONTENTS:

KOMATSU WA250-6 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:75813 & UP) KOMATSU WA250 6

COVER
.........................................................................................  1
FOREWORD
......................................................................................  2
	BEFORE READING THIS MANUAL.................................................................  3
	SAFETY INFORMATION.........................................................................  4
	INTRODUCTION...............................................................................  5
		USE OF MACHINE.........................................................................  5
		FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE...........................................  5
		VISIBILITY FROM OPERATOR'S SEAT........................................................  5
	NECESSARY INFORMATION......................................................................  6
		PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE...........................  6
		EPA REGULATIONS, ENGINE NUMBER PLATE...................................................  6
		POSITION OF SERVICE METER..............................................................  7
		TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR..............................................  7
	CONTENTS...................................................................................  8
SAFETY......................................................................................... 12
	SAFETY..................................................................................... 13
	SAFETY LABELS.............................................................................. 16
		LOCATION OF SAFETY LABELS.............................................................. 16
		SAFETY LABELS.......................................................................... 17
	GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE.................................... 23
		PRECAUTIONS BEFORE STARTING OPERATION.................................................. 23
		PREPARATIONS FOR SAFE OPERATION........................................................ 23
		FIRE PREVENTION........................................................................ 25
		PRECAUTIONS WHEN GETTING ON OR OFF MACHINE............................................. 26
		DO NOT GET CAUGHT IN ARTICULATING PORTION.............................................. 29
		PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES........................................... 29
		UNAUTHORIZED MODIFICATION.............................................................. 29
		PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS......................................... 29
		PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING........................................ 30
	PRECAUTIONS FOR OPERATION.................................................................. 31
		PRECAUTIONS FOR JOBSITE................................................................ 31
		STARTING ENGINE........................................................................ 33
		OPERATION.............................................................................. 35
		TRANSPORTATION......................................................................... 42
		TOWING................................................................................. 43
	PRECAUTIONS FOR MAINTENANCE................................................................ 44
		PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE................................. 44
		PRECAUTIONS FOR INSPECTION AND MAINTENANCE............................................. 49
		TIRES.................................................................................. 54
OPERATION
..................................................................................... 56
	GENERAL VIEW............................................................................... 57
		GENERAL VIEW OF MACHINE................................................................ 57
		GENERAL VIEW OF CONTROLS AND GAUGES.................................................... 58
	EXPLANATION OF COMPONENTS.................................................................. 60
		MACHINE MONITOR........................................................................ 60
		SWITCHES............................................................................... 96
		CONTROL LEVERS, PEDALS.................................................................112
		STEERING TILT LOCK LEVER...............................................................117
		CAP AND COVER WITH LOCK................................................................117
		FRAME LOCK BAR.........................................................................118
		TOWING PIN.............................................................................119
		GREASE PUMP............................................................................119
		OPENING, CLOSING CAB DOORS, WINDOWS....................................................120
		FUSE...................................................................................124
		SLOW BLOW FUSE.........................................................................126
		POWER OUTLET...........................................................................127
		STORAGE BOX............................................................................127
		AM/FM RADIO-CASSETTE STEREO............................................................128
		AIR CONDITIONER........................................................................136
		HANDLING CAB WIPER.....................................................................143
	OPERATION..................................................................................144
		CHECK BEFORE STARTING ENGINE, ADJUST...................................................144
		STARTING ENGINE........................................................................162
		CHECKS AFTER STARTING ENGINE...........................................................166
		OPERATIONS AND CHECKS AFTER STARTING ENGINE............................................167
		STOPPING ENGINE........................................................................170
		MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE..........................171
		TURNING................................................................................175
		OPERATION OF WORK EQUIPMENT............................................................177
		WORK POSSIBLE USING WHEEL LOADER.......................................................179
		PRECAUTIONS FOR OPERATION..............................................................184
		ADJUSTING WORK EQUIPMENT POSTURE.......................................................186
		PARKING MACHINE........................................................................188
		CHECKS AFTER COMPLETION OF OPERATION...................................................190
		LOCKING................................................................................190
		HANDLING THE TIRES.....................................................................191
	TRANSPORTATION.............................................................................193
		TRANSPORTATION PROCEDURE...............................................................193
		LOADING, UNLOADING WORK WITH TRAILERS..................................................193
		LIFTING MACHINE........................................................................197
	COLD WEATHER OPERATION.....................................................................199
		PRECAUTIONS FOR LOW TEMPERATURE........................................................199
		PRECAUTIONS AFTER COMPLETION OF WORK...................................................200
		AFTER COLD WEATHER.....................................................................200
	LONG-TERM STORAGE..........................................................................201
		BEFORE STORAGE.........................................................................201
		DURING STORAGE.........................................................................201
		AFTER STORAGE..........................................................................201
	TROUBLESHOOTING............................................................................202
		WHEN MACHINE RUNS OUT OF FUEL..........................................................202
		METHOD OF TOWING MACHINE...............................................................202
		IF BATTERY IS DISCHARGED...............................................................204
		OTHER TROUBLE..........................................................................207
MAINTENANCE
...................................................................................212
	GUIDES TO MAINTENANCE......................................................................213
	OUTLINES OF SERVICE........................................................................215
		HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC.................................215
		OUTLINE OF ELECTRIC SYSTEM.............................................................218
	WEAR PARTS.................................................................................219
		WEAR PARTS LIST........................................................................219
	RECOMMENDED FUEL, COOLANT, AND LUBRICANT...................................................220
		USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...................221
		RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL....222
	STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.............................................223
		TORQUE LIST............................................................................223
	PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS..............................................224
	MAINTENANCE SCHEDULE CHART.................................................................225
		MAINTENANCE SCHEDULE CHART.............................................................225
	SERVICE PROCEDURE..........................................................................227
		INITIAL 10 HOURS SERVICE (SERVICE FOR FIRST 50 HOURS ON NEW MACHINE)...................227
		INITIAL 250 HOURS SERVICE..............................................................227
		INITIAL 1000 HOURS SERVICE.............................................................227
		WHEN REQUIRED..........................................................................228
		CHECK BEFORE STARTING..................................................................255
		EVERY 50 HOURS SERVICE.................................................................256
		EVERY 100 HOURS SERVICE................................................................257
		EVERY 250 HOURS SERVICE................................................................260
		EVERY 500 HOURS SERVICE................................................................266
		EVERY 1000 HOURS SERVICE...............................................................270
		EVERY 2000 HOURS SERVICE...............................................................276
		EVERY 4000 HOURS SERVICE...............................................................283
		EVERY 8000 HOURS SERVICE...............................................................285
SPECIFICATIONS
................................................................................286
	SPECIFICATIONS.............................................................................287
ATTACHMENTS, OPTIONS
..........................................................................290
	SELECTING BUCKET AND TIRES.................................................................291
	HANDLING HYDRAULIC QUICK COUPLER...........................................................292
		REMOVING ATTACHMENT....................................................................292
		INSTALLING ATTACHMENT..................................................................294
	METHOD OF USING 2 LEVERS...................................................................296
		EXPLANATION OF COMPONENTS..............................................................296
	HANDLING MACHINES EQUIPPED WITH KOMTRAX....................................................298
		BASIC PRECAUTIONS......................................................................298
INDEX..........................................................................................300

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