Komatsu D20AG,PL,PLL-7 D21A,AG-7 D20P,PG-7A/D21PG-7A Bulldozer Operation & Maintenance Manual SN 76441, 62001 and up – PDF DOWNLOAD

Description

Komatsu D20AG,PL,PLL-7 D21A,AG-7 D20P,PG-7A/D21PG-7A Bulldozer Operation & Maintenance Manual

DESCRIPTION:

Komatsu D20AG,PL,PLL-7 D21A,AG-7 D20P,PG-7A/D21PG-7A Bulldozer Operation & Maintenance Manual

FOREWORD:

• This manual provides rules and guidelines which will help you use this machine safely and effectively. Keep this manual handy and have all personnel read it periodically. if this manual has been lost or has become dirty and can not be read, request a replacement manual from Komatsu or your Komatsu distributor.
• If you sell the machine. be sure to give this manual to the new owners. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual.
• Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual. This manual may contain attachments and optional equipment that are not available in your area. Consult Komatsu or your Komatsu distributor for those items you may require.

KOMATSU D20AG,PL,PLL-7 D21A,AG-7 D20P,PG-7A/D21PG-7A BULLDOZER OPERATION & MAINTENANCE MANUAL SN 76441, 62001 AND UP – PDF DOWNLOAD:

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu D20AG,PL,PLL-7 D21A,AG-7 D20P,PG-7A/D21PG-7A Bulldozer Operation & Maintenance Manual

COVER..........................................................................  1
1. FOREWORD....................................................................  2
2. SAFETY INFORMATION..........................................................  3
3. INTRODUCTION................................................................  4
4. LOCATION OF PLATES,TABLE TO ENTER SERIAL NO.AND DISTRIBUTOR.................  5
5. CONTENTS....................................................................  6
SAFETY.........................................................................  9
	6. GENERAL PRECAUTIONS..................................................... 10
	7. PRECAUTIONS DURING OPERATION............................................ 15
		7.1 BEFORE STARTING ENGINE............................................. 15
		7.2 OPERATING MACHINE.................................................. 17
		7.3 TRANSPORTATION..................................................... 20
		7.4 BATTERY............................................................ 21
		7.5 TOWING............................................................. 23
	8. PRECAUTIONS FOR MAINTENANCE............................................. 24
		8.1 BEFORE CARRYING OUT MAINTENANCE.................................... 24
		8.2 DURING MAINTENANCE................................................. 26
	9. POSITION FOR ATTACHING SAFETY LABELS.................................... 31
OPERATION...................................................................... 33
	10. GENERAL VIEW........................................................... 34
		10.1 GENERAL VIEW OF MACHINE........................................... 34
		10.2 GENERAL VIEW OF CONTROLS AND GAUGES............................... 35
	11. EXPLANATION OF COMPONENTS.............................................. 37
		11.1 METERS AND LAMPS.................................................. 37
		11.2 SWITCHES.......................................................... 39
		11.3 CONTROL LEVERS AND PEDALS......................................... 41
		11.4 FUSE BOX.......................................................... 47
	12. OPERATION.............................................................. 48
		12.1 CHECK BEFORE STARTING ENGINE...................................... 48
		12A.OPERATION.......................................................... 57
			12A.1.4 OPERATIONS AND CHECKS BEFOR STARTING ENGINE................ 58
			12A.2 STARTING ENGINE.............................................. 60
			12A.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE.................. 64
			12A.4 MOVING MACHINE OFF........................................... 65
			12A.5 STEERING MACHINE............................................. 67
			12A.6 STOPPING MACHINE............................................. 69
			12A.7 SHIFTING GEAR,SHIFTING BETWEEN FORWARD AND REVERSE........... 70
			12A.8 PRECAUTIONS FOR OPERATION.................................... 72
			12A.9 WORK POSSIBLE USING BULLDOZER................................ 73
			12A.10 PARKING MACHINE............................................. 74
			12A.11 CHECK AFTER FINISHING WORK.................................. 75
			12A.12 STOPPING ENGINE............................................. 76
			12A.13 CHECK AFTER STOPPING ENGINE................................. 77
			12A.14 LOCKING..................................................... 77
		12B.OPERATION.......................................................... 78
			12B1.4 OPERATIONS AND CHECKS BEFORE STARTING ENGINE................ 79
			12B.2 STARTING ENGINE.............................................. 81
			12B.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE.................. 84
			12B.4 MOVING MACHINE OFF........................................... 85
			12B.5 SHIFTING GEAR................................................ 86
			12B.6 SHIFTING BETWEEN FORWARD AND REVERSE......................... 87
			12B.7 STEERING MACHINE............................................. 88
			12B.8 STOPPING MACHINE............................................. 90
			12B.9 PRECAUTIONS FOR OPERATION.................................... 91
			12B.10 WORK POSSIBLE USING BULLDOZER............................... 92
			12B.11 PARKING MACHINE............................................. 93
			12B.12 CHECK AFTER FINISHING WORK.................................. 94
			12B.13 STOPPING ENGINE............................................. 95
			12B.14 CHECK AFTER STOPPING ENGINE................................. 96
			12B.15 LOCKING..................................................... 96
		12.16 TIPS FOR LONGER UNDERCARRIAGE LIFE (STEEL SHOES ONLY)............ 97
		12.17 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)........................100
	13. TRANSPORTATION.........................................................106
		13.1 LOADING,UNLOADING WORK............................................106
		13.2 PRECAUTIONS FOR LOADING...........................................107
		13.3 PRECAUTIONS FOR TRANSPORTATION....................................108
	14. COLD WEATHER OPERATION.................................................109
		14.1 PRECAUTIONS FOR LOW TEMPERATURE...................................109
		14.2 PRECAUTIONS AFTER COMPLETION OF WORK..............................111
		14.3 AFTER COLD WEATHER................................................111
	15. LONG-TERM STORAGE......................................................112
		15.1 BEFORE STORAGE....................................................112
		15.2 DURING STORAGE....................................................112
		15.3 AFTER STORAGE.....................................................113
	16. TROUBLESHOOTING........................................................114
		16.1 AFTER RUNNING OUT OF FUEL.........................................114
		16.2 IF BATTERY IS DISCHARGED..........................................115
		16.3 OTHER TROUBLE.....................................................119
MAINTENANCE....................................................................122
	17. GUIDES TO MAINTENANCE..................................................123
	18. OUTLINES OF SERVICE....................................................126
		18.1 OUTLINE OF OIL,FUEL,COOLANT.......................................126
		18.2 RELATING TO ELECTRIC SYSTEM.......................................129
	19. WEAR PARTS LIST........................................................130
	20. USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....131
	21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.........................135
		21.1 INTRODUCTION OF NECESSARY TOOLS...................................135
		21.2 TORQUE LIST.......................................................136
	22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS..........................137
	23. MAINTENACE SCHEDULE CHART..............................................139
	24. SERVICE PROCEDURE......................................................142
		24.1 INITIAL 250 HOURS SERVICE.........................................142
		24.2 WHEN REQUIRED.....................................................143
		24.3 CHECK BEFORE STARTING.............................................165
		24.4 EVERY 50 HOURS SERVICE............................................171
		24.5 EVERY 250 HOURS SERVICE...........................................172
		24.6 EVERY 500 HOURS SERVICE...........................................177
		24.7 EVERY 1000 HOURS SERVICE..........................................182
		24.8 EVERY 2000 HOURS SERVICE..........................................190
		24.9 EVERY 4000 HOURS SERVICE..........................................191
SPECIFICATIONS.................................................................192
	25. SPECIFICATIONS.........................................................193
OPTIONS,ATTACHMENTS............................................................200
	26. GENERAL PRECAUTIONS....................................................201
		26.1 PRECAUTIONS RELATED TO SAFETY.....................................201
	27. USING SEAT BELT........................................................202
		27.1 SEAT BELT (FOR FIXED TYPE)........................................202
		27.2 SEAT BELT (FOR SUSPENSION TYPE)...................................204
	28. HANDLING SUSPENSION SEAT...............................................206

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