KOMATSU D20A,PL,PLL-7 D20P-7A D21A-7 D21P-7A BULLDOZER OPERATION & MAINTENANCE MANUAL (SEAM000904) – PDF DOWNLOAD

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KOMATSU D20A,PL,PLL-7 D20P-7A D21A-7 D21P-7A BULLDOZER OPERATION & MAINTENANCE MANUAL (SEAM000904)

KOMATSU D20A,PL,PLL-7 D20P-7A D21A-7 D21P-7A BULLDOZER OPERATION & MAINTENANCE MANUAL (SEAM000904) – PDF DOWNLOAD:

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KOMATSU D20A,PL,PLL-7 D20P-7A D21A-7 D21P-7A BULLDOZER OPERATION & MAINTENANCE MANUAL (SEAM000904)

• 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.

TABLE OF CONTENTS:

KOMATSU D20A,PL,PLL-7 D20P-7A D21A-7 D21P-7A BULLDOZER OPERATION & MAINTENANCE MANUAL (SEAM000904)

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......................................................... 40
		11.3 CONTROL LEVERS AND PEDALS........................................ 42
		11.4 FUSE BOX......................................................... 48
	12. OPERATION............................................................. 49
		12.1 CHECK BEFORE STARTING ENGINE..................................... 49
		12A.OPERATION......................................................... 58
			12A.1.4 OPERATIONS AND CHECKS BEFOR STARTING ENGINE............... 59
			12A.2 STARTING ENGINE............................................. 61
			12A.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE................. 65
			12A.4 MOVING MACHINE OFF.......................................... 66
			12A.5 STEERING MACHINE............................................ 68
			12A.6 STOPPING MACHINE............................................ 70
			12A.7 SHIFTING GEAR,SHIFTING BETWEEN FORWARD AND REVERSE.......... 71
			12A.8 PRECAUTIONS FOR OPERATION................................... 73
			12A.9 WORK POSSIBLE USING BULLDOZER............................... 74
			12A.10 PARKING MACHINE............................................ 75
			12A.11 CHECK AFTER FINISHING WORK................................. 76
			12A.12 STOPPING ENGINE............................................ 77
			12A.13 CHECK AFTER STOPPING ENGINE................................ 77
			12A.14 LOCKING.................................................... 78
		12B.OPERATION......................................................... 79
			12B1.4 OPERATIONS AND CHECKS BEFORE STATING ENGINE................ 80
			12B.2 STARTING ENGINE............................................. 82
			12B.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE................. 85
			12B.4 MOVING MACHINE OFF.......................................... 86
			12B.5 SHIFTING GEAR............................................... 87
			12B.6 SHIFTING BETWEEN FORWARD AND REVERSE........................ 88
			12B.7 STEERING MACHINE............................................ 89
			12B.8 STOPPING MACHINE............................................ 91
			12B.9 PRECAUTIONS FOR OPERATION................................... 92
			12B.10 WORK POSSIBLE USING BULLDOZER.............................. 93
			12B.11 PARKING MACHINE............................................ 94
			12B.12 CHECK AFTER FINISHING WORK................................. 95
			12B.13 STOPPING ENGINE............................................ 96
			12B.14 CHECK AFTER STOPPING ENGINE................................ 96
			12B.15 LOCKING.................................................... 97
			12.16 TIPS FOR LONGER UNDERCARRIAGE LIFE (STEEL SHOES ONLY)....... 98
			12.17 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)...................101
	13.TRANSPORTATION.........................................................107
		13.1 LOADING,UNLOADING WORK...........................................107
		13.2 PRECAUTIONS FOR LOADING..........................................108
		13.3 LIFTING MACHINE..................................................109
		13.4 PRECAUTIONS FOR TRANSPORTATION...................................112
	14.COLD WEATHER OPERATION.................................................113
		14.1 PRECAUTIONS FOR LOW TEMPERATURE..................................113
		14.2 PRECAUTIONS AFTER COMPLETION OF WORK.............................115
		14.3 AFTER COLD WEATHER...............................................115
	15.LONG-TERM STORAGE......................................................116
		15.1 BEFORE STORAGE...................................................116
		15.2 DURING STORAGE...................................................116
		15.3 AFTER STORAGE....................................................117
	16.TROUBLESHOOTING........................................................118
		16.1 AFTER RUNNING OUT OF FUEL........................................118
		16.2 IF BATTERY IS DISCHARGED.........................................119
		16.3 OTHER TROUBLE....................................................123
MAINTENANCE...................................................................126
	17.GUIDES TO MAINTENANCE..................................................127
	18.OUTLINES OF SERVICE....................................................130
		18.1 OUTLINE OF OIL,FUEL,COOLANT......................................130
		18.2 RELATING TO ELECTRIC SYSTEM......................................133
	19.WEAR PARTS LIST........................................................134
	20.USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....135
	21.STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.........................139
		21.1 INTRODUCTION OF NECESSARY TOOLS..................................139
		21.2 TORQUE LIST......................................................140
	22.PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS..........................141
	23.MAINTENACE SCHEDULE CHART..............................................143
	24.SERVICE PROCEDURE......................................................146
		24.1 INITIAL 250 HOURS SERVICE........................................146
		24.2 WHEN REQUIRED....................................................147
		24.3 CHECK BEFORE STARTING............................................169
		24.4 EVERY 50 HOURS SERVICE...........................................175
		24.5 EVERY 250 HOURS SERVICE..........................................176
		24.6 EVERY 500 HOURS SERVICE..........................................181
		24.7 EVERY 1000 HOURS SERVICE.........................................186
		24.8 EVERY 2000 HOURS SERVICE.........................................194
		24.9 EVERY 4000 HOURS SERVICE.........................................195
SPECIFICATIONS................................................................196
	25.SPECIFICATIONS.........................................................197
OPTIONS,ATTACHMENTS...........................................................204
	26.GENERAL PRECAUTIONS....................................................205
		26.1 PRECAUTIONS RELATED TO SAFETY....................................205
	27.USING SEAT BELT........................................................206
		27.1 SEAT BELT (FOR FIXED TYPE).......................................206
		27.2 SEAT BELT (FOR SUSPENSION TYPE)..................................208
	28.HANDLING SUSPENSION SEAT...............................................210

PLEASE NOTE:

⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
⦁ Require some other service manual or have any queries: please WRITE to us at [email protected]