KOMATSU WA420-3 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:A30001 & UP) KOMATSU WA420-3 – PDF DOWNLOAD

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KOMATSU WA420-3 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:A30001 & UP) KOMATSU WA420-3

KOMATSU WA420-3 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:A30001 & UP) KOMATSU WA420-3 – PDF DOWNLOAD:

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KOMATSU WA420-3 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:A30001 & UP) KOMATSU WA420-3

• This manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It will help the operator and maintenance personnel realize peak performance through effective, economical and safe machine operation and maintenance. Keep this manual handy and have all personnel read it periodically.
• If this manual is lost or becomes dirty and can not be read, request a replacement manual from your local distributor. If you sell the machine, be sure to give this manual to the new owner.
• Continuing improvements in the design of this machine can lead to changes in detail, which may not be reflected in this manual. Consult your local distributor or Komatsu America International Company for the latest available information on your machine or for questions regarding information in this manual.

TABLE OF CONTENTS:

KOMATSU WA420-3 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:A30001 & UP) KOMATSU WA420-3

MAIN MENU.......................................................................  0
1. FORWARD......................................................................  4
2. SAFETY INFORMATION...........................................................  5
3. INTRODUCTION.................................................................  6
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR................  7
5. CONTENTS.....................................................................  8
SAFETY.......................................................................... 12
	6. GENERAL PRECAUTIONS...................................................... 13
	7. PRECAUTIONS DURING OPERATION............................................. 18
		7.1 BEFORE STARTING ENGINE.............................................. 18
		7.2 OPERATING MACHINE................................................... 20
		7.3 TRANSPORTATION...................................................... 25
		7.4 BATTERY............................................................. 26
		7.5 TOWING.............................................................. 27
	8. PRECAUTIONS FOR MAINTENANCE.............................................. 28
		8.1 BEFORE CARRYING OUT MAINTENANCE..................................... 28
		8.2 DURING MAINTENANCE.................................................. 30
		8.3 TIRES............................................................... 35
	9. POSITION FOR ATTACHING SAFETY LABELS..................................... 37
OPERATION....................................................................... 41
	10. GENERAL VIEW............................................................ 42
		10.1 GENERAL VIEW OF MACHINE............................................ 42
		10.2 GENERAL VIEW OF CONTROLS AND GAUGES................................ 43
	11. EXPLANATION OF COMPONENTS............................................... 44
		11.1 MACHINE MONITOR.................................................... 44
		11.2 SWITCHES........................................................... 54
		11.3 CONTROL LEVERS AND PEDALS.......................................... 60
		11.4 STEERING COLUMN TILT LEVER......................................... 64
		11.5 CAP WITH LOCK...................................................... 65
		11.6 SAFETY BAR......................................................... 66
		11.7 TOWING PIN......................................................... 66
		11.8 GREASE PUMP........................................................ 67
		11.9 BACK UP ALARM...................................................... 67
		11.10 FUSE.............................................................. 68
		11.11 SLOW-BLOW FUSE.................................................... 69
	12. OPERATION............................................................... 70
		12.1 CHECKS BEFORE STARTING............................................. 70
		12.2 STARTING ENGINE.................................................... 83
		12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE........................ 84
		12.4 MOVING MACHINE OFF................................................. 85
		12.5 CHANGING GEAR SPEED................................................ 87
		12.6 CHANGING DIRECTION................................................. 87
		12.7 TURNING............................................................ 88
		12.8 STOPPING MACHINE................................................... 89
		12.9 OPERATION OF WORK EQUIPMENT........................................ 90
		12.10 WORK POSSIBLE USING WHEEL LOADER.................................. 91
		12.11 PRECAUTIONS FOR OPERATION......................................... 96
		12.12 ADJUSTING WORK EQUIPMENT POSTURE.................................. 98
		12.13 PARKING MACHINE...................................................100
		12.14 CHECKS AFTER COMPLETION OF OPERATION..............................101
		12.15 STOPPING ENGINE...................................................101
		12.16 CHECK AFTER STOPPING ENGINE.......................................102
		12.17 LOCKING...........................................................102
		12.18 HANDLING THE TIRES................................................103
	13. TRANSPORTATION..........................................................105
		13.1 LOADING, UNLOADING WORK............................................105
		13.2 PRECAUTIONS FOR LOADING............................................106
		13.3 PRECAUTIONS FOR TRANSPORTATION.....................................106
	14. COLD WEATHER OPERATION..................................................107
		14.1 PRECAUTIONS FOR LOW TEMPERATURE....................................107
		14.2 PRECAUTIONS AFTER COMPLETION OF WORK...............................109
		14.3 AFTER COLD WEATHER.................................................109
	15. LONG-TERM STORAGE.......................................................110
		15.1 BEFORE STORAGE.....................................................110
		15.2 DURING STORAGE.....................................................110
		15.3 AFTER STORAGE......................................................110
	16. TROUBLESHOOTING.........................................................111
		16.1 WHEN MACHINE RUNS OUT OF FUEL......................................111
		16.2 TOWING THE MACHINE.................................................112
		16.3 IF BATTERY IS DISCHARGED...........................................117
		16.4 OTHER TROUBLE......................................................121
MAINTENANCE.....................................................................127
	17. GUIDES TO MAINTENANCE...................................................128
	18. OUTLINES OF SERVICE.....................................................131
		18.1 OUTLINE OF OIL, FUEL, COOLANT......................................131
		18.2 OUTLINE OF ELECTRIC SYSTEM.........................................134
	19. WEAR PARTS LIST.........................................................135
	20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....136
		20.1 ENGINE OIL SPECIFICATIONS..........................................138
		20.2 DIESEL FUEL SPECIFICATIONS.........................................139
		20.3 COOLANT SPECIFICATIONS.............................................140
	21. STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS...........................146
		21.1 INTRODUCTION OF NECESSARY TOOLS....................................146
		21.2 TORQUE LIST........................................................147
	22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...........................148
	23. MAINTENANCE SCHEDULE CHART..............................................152
		23.1 MAINTENANCE SCHEDULE CHART.........................................152
	24. SERVICE PROCEDURE.......................................................156
		24.1 INITIAL 250 HOURS SERVICE..........................................156
		24.2 WHEN REQUIRED......................................................157
		24.3 CHECKS BEFORE STARTING.............................................166
		24.4 EVERY 50 HOURS SERVICE.............................................167
		24.5 EVERY 100 HOURS SERVICE............................................168
		24.6 EVERY 250 HOURS SERVICE............................................170
		24.7 EVERY 500 HOURS SERVICE............................................176
		24.8 EVERY 1000 HOURS SERVICE...........................................180
		24.9 EVERY 2000 HOURS SERVICE...........................................189
SPECIFICATIONS..................................................................198
	25. SPECIFICATIONS..........................................................199
OPTIONAL ATTACHMENTS............................................................201
	26. OPTIONAL PARTS AND ATTACHMENTS..........................................202
	27. SELECTING BUCKETS AND TIRES.............................................203
	28. AIR CONDITIONING .......................................................204
		28.1 GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL....................204
		28.2 COOL BOX COMPARTMENT...............................................205
	29. HANDLING E.C.S.S. (ELECTRONIC CONTROL SUSPENSION SYSTEM)................206
		29.1 STRUCTURE AND FUNCTION OF E.C.S.S..................................206
		29.2 METHOD OF OPERATING E.C.S.S........................................207
		29.3 PRECAUTIONS WHEN OPERATING E.C.S.S. SWITCH.........................207
		29.4 PRECAUTIONS WHEN HANDLING ACCUMULATOR..............................208
	30. HANDLING AUTO-GREASING SYSTEM...........................................209
		30.1 METHOD OF OPERATING AUTO-GREASING SYSTEM...........................209
		30.2 PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM.....................217
		30.3 TROUBLESHOOTING....................................................218
		30.4 SPECIFICATIONS.....................................................218
	31. OPTION DISPLAY..........................................................219

PLEASE NOTE:

⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.