KOMATSU PC20R-8 PC25R-8 PC27R-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:10001 & UP) – PDF DOWNLOAD

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KOMATSU PC20R-8 PC25R-8 PC27R-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:10001 & UP)

KOMATSU PC20R-8 PC25R-8 PC27R-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:10001 & UP) – PDF DOWNLOAD:

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KOMATSU PC20R-8 PC25R-8 PC27R-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:10001 & UP)

• 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 PC20R-8 PC25R-8 PC27R-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:10001 & UP)

COVER.........................................................................  1
1.FOREWORD....................................................................  2
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.................................................... 27
		7.4 BATTERY........................................................... 28
		7.5 TOWING............................................................ 30
		7.6 LIFTING OPERATIONS................................................ 30
		7.7 WINDOW WASHER FLUID............................................... 30
	8.PRECAUTIONS FOR MAINTENANCE............................................. 31
		8.1 BEFORE CARRYING OUT MAINTENANCE................................... 31
		8.2 DURING MAINTENANCE................................................ 35
	9.POSITION FOR ATTACHING SAFETY LABELS.................................... 40
OPERATION..................................................................... 44
	10.GENERAL VIEW........................................................... 45
		10.1 GENERAL VIEW OF MACHINE.......................................... 45
		10.2 GENERAL VIEW OF CONTROLS AND GAUGES.............................. 46
	11.EXPLANATION OF COMPONENTS.............................................. 47
		11.1 MACHINE MONITOR.................................................. 47
		11.2 SWITCHES......................................................... 52
		11.3 CONTROL LEVERS AND PEDALS........................................ 55
		11.4 ENGINE HOOD ..................................................... 59
		11.5 FRONT WINDOW(MACHINE EQUIPPED WITH CAB).......................... 60
		11.6 SLIDING DOOR(MACHINE EQUIPPED WITH CAB).......................... 62
		11.7 HAMMER FOR EMERGENCY ESCAPE(MACHINE EQUIPPED WITH CAB)........... 63
		11.8 FUSES............................................................ 63
		11.9 FUSIBLE LINK..................................................... 64
		11.10 CAP,COVER WITH LOCK............................................. 64
		11.11 MANUAL STORING SPACE............................................ 65
		11.12 TOOL BOX........................................................ 65
		11.13 DUST INDICATOR.................................................. 65
	12.OPERATION.............................................................. 66
		12.1 CHECK BEFORE STARTING ENGINE..................................... 66
		12.2 STARTING ENGINE.................................................. 74
		12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...................... 76
		12.4 MOVING MACHINE OFF............................................... 78
		12.5 STEERING MACHINE................................................. 81
		12.6 STOPPING MACHINE................................................. 83
		12.7 SWINGING......................................................... 84
		12.8 OPERATION OF WORK EQUIPMENT...................................... 85
		12.9 PRECAUTIONS FOR OPERATION........................................ 86
		12.10 PRECAUTIONS FOR OPERATION....................................... 88
		12.11 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS..................... 89
		12.12 HOW TO ESCAPE FROM MUD.......................................... 91
		12.13 WORK POSSIBLE USING HYDRAULIC EXCAVATOR......................... 92
		12.14 REPLACEMENT OF BUCKET........................................... 94
		12.15 PARKING MACHINE................................................. 95
		12.16 CHECK AFTER FINISHING WORK...................................... 96
		12.17 STOPPING ENGINE................................................. 96
		12.18 CHECK AFTER STOPPING ENGINE..................................... 97
		12.19 LOCKING......................................................... 97
		12.20 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)....................... 98
	13.TRANSPORTATION.........................................................103
		13.1 LOADING,UNLOADING WORK...........................................103
		13.2 METHOD OF LIFTING MACHINE........................................105
		13.3 PRECAUTIONS FOR LOADING AND SECURING MACHINE.....................107
		13.4 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 PREPARING THE CAB HEATER(MACHINE EQUIPPED WITH CAB)..............111
		14.4 AFTER COLD WEATHER...............................................111
	15.LONG-TERM STORAGE......................................................112
		15.1 BEFORE STORAGE...................................................112
		15.2 DURING STORAGE...................................................113
		15.3 AFTER STORAGE....................................................113
	16.TROUBLESHOOTING........................................................114
		16.1 PHENOMENA THAT ARE NOT FAILURES..................................114
		16.2 METHOD OF TOWING MACHINE.........................................114
		16.3 PRECAUTIONS ON PARTICULAR JOBSITES...............................114
		16.4 IF BATTERY IS DISCHARGED.........................................115
		16.5 OTHER TROUBLE....................................................120
MAINTENANCE ..................................................................124
	17.GUIDES TO MAINTENANCE..................................................125
	18.OUTLINES OF SERVICE....................................................127
		18.1 OUTLINE OF OIL,FUEL,COOLANT......................................127
		18.2 OUTLINE OF ELECTRIC SYSTEM.......................................130
		18.3 OUTLINE OF HYDRAULIC SYSTEM......................................131
	19.WEAR PARTS LIST........................................................132
	20.USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....133
	21.STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.........................137
		21.1 INTRODUCTION OF NECESSARY TOOLS..................................137
		21.2 TORQUE LIST......................................................138
	22.PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS..........................139
	23.MAINTENANCE SCHEDULE CHART.............................................141
		23.1 MAINTENANCE SCHEDULE CHART.......................................141
		23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER................143
	24.SERVICE PROCEDURE......................................................144
		24.1 INITIAL 250 HOURS SERVICE........................................144
		24.2 WHEN REQUIRED....................................................145
		24.3 CHECK BEFORE STARTING............................................164
		24.4 EVERY 100 HOURS SERVICE..........................................168
		24.5 EVERY 250 HOURS SERVICE..........................................169
		24.6 EVERY 500 HOURS SERVICE..........................................174
		24.7 EVERY 1000 HOURS SERVICE.........................................180
		24.8 EVERY 2000 HOURS SERVICE.........................................181
SPECIFICATIONS................................................................185
	25.SPECIFICATIONS.........................................................186
OPTIONS,ATTACHMENTS...........................................................201
	26.GENERAL PRECAUTIONS....................................................202
		26.1 PRECAUTIONS RELATED TO SAFETY....................................202
		26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS..........................203
	27.HANDLING BUCKET WITH HOOK..............................................204
		27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK..........................204
		27.2 PROHIBITED OPERATIONS............................................204
		27.3 PRECAUTIONS DURING OPERATIONS....................................204
	28.USING SEAT BELT........................................................205
		28.1 SEAT BELT........................................................205
	29.OPERATION OF CAR RADIO(MACHINE EQUIPPED WITH CAB)......................207
		29.1 EXPLANATION OF CONTROLS..........................................207
		29.2 OPERATION METHOD.................................................209
		29.3 PRECAUTIONS FOR USE..............................................211
		29.4 SPECIFICATIONS...................................................212
	30.OPERATION OF WINDOW WASHER(MACHINE EQUIPPED WITH CAB)..................213
		30.1 OPERATION OF WINDOW WASHER.......................................213
		30.2 CHECK AND REFILLING OF WINDOW WASHER FLUID.......................213
	31.HANDLING OF 1-WAY AND 2-WAY ...........................................214
		31.1 SELECTION OF 1-WAY AND 2-WAY.....................................214
		31.2 OPERATION OF PEDAL...............................................214
	32.INTRODUCTION OF ATTACHMENTS............................................215
		32.1 SPECIFICATIONS AND USES..........................................215
		32.2 COMBINATIONS TABLE OF ATTACHMENTS................................216
		32.3 PRECAUTIONS FOR OPERATING WITH HYDRAULIC BREAKER.................217
		32.4 OPERATION OF QUICK BREAKER ARM...................................220
		32.5 HANDLING POWER TILT,MECHANICAL ANGLE BLADE.......................237

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