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KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A25001 and up) KOMATSU PC290LC-10

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  • KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR Operation & Maintenance Manual
  • Serial Number:A25001 and up
  • Publication Number:CEAM025303
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Description

KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A25001 and up) KOMATSU PC290LC-10

KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:A25001 AND UP) KOMATSU PC290LC-10:

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DESCRIPTION:

KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A25001 and up) KOMATSU PC290LC-10

  • This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines.
  • Accidents can be prevented by knowing beforehand conditions that may cause a hazard when performing operation and maintenance. Read, understand and follow all precautions and warnings in this manual and on the machine before operating and performing maintenance.
  • Failure to do so may result in serious injury or death. Improper operation and maintenance of the machine can be hazardous and could result in serious injury or death.

TABLE OF CONTENTS:

KOMATSU PC290LC-10 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A25001 and up) KOMATSU PC290LC-10

CEAM025303.pdf..................................................................................................................  0
	CEAM025303_PC290LC-10 S/N A25001 and UP.....................................................................................  1
		INTRODUCTION............................................................................................................  3
			FORWARD.............................................................................................................  4
			SAFETY INFORMATION..................................................................................................  5
				Safety labels...................................................................................................  6
			INTRODUCTION........................................................................................................  7
				Directions of Machine...........................................................................................  7
				Visibilty from Operator’s Seat..................................................................................  7
					Structure to Protect the Operator...........................................................................  7
				Breaking-in The New Machine.....................................................................................  8
				Product Information.............................................................................................  9
					Product Identification Number (Pin)/Machine Serial No. Plate................................................  9
					EPA* Regulations, Engine Number Plate.......................................................................  9
				Service Meter Location.......................................................................................... 10
				Your Machine Serial Numbers And Distributor..................................................................... 10
				Engine Acronyms................................................................................................. 10
			TABLE OF CONTENTS................................................................................................... 11
		SAFETY.................................................................................................................. 21
			SAFETY LABELS....................................................................................................... 22
				Location Of Safety Labels....................................................................................... 22
				Safety Labels................................................................................................... 23
			GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE............................................................. 32
				Precautions Before Starting Operation........................................................................... 32
					Ensuring Safe Operation..................................................................................... 32
					Understanding The Machine................................................................................... 32
				Preparations For Safe Operation................................................................................. 32
					Precautions Regarding Safety-related Equipment.............................................................. 32
					Inspecting Machine.......................................................................................... 32
				Clothing And Personal Protective Items.......................................................................... 32
				Keep Machine Clean.............................................................................................. 33
				Keep Operator's Compartment Clean............................................................................... 33
				Fire Extinguisher And First Aid Kit............................................................................. 33
				Safety Equipment................................................................................................ 33
				If Problems Are Found........................................................................................... 33
				Fire Prevention And Explosion Prevention........................................................................ 34
				Action If Fire Occurs........................................................................................... 35
				Handrails and Steps............................................................................................. 36
				Mounting And Dismounting........................................................................................ 36
				No Persons On Attachments....................................................................................... 36
				Leaving Operator's Seat With Lock............................................................................... 37
				Emergency Exit From Operator's Cab.............................................................................. 37
				Do Not Get Caught In Work Equipment............................................................................. 38
				Precautions Related To Protective Structures.................................................................... 38
				Falling Objects, Flying Objects And Intruding Objects Prevention................................................ 38
				Unauthorized Modification....................................................................................... 39
				Precautions Related To Attachments And Options.................................................................. 39
				Precautions Related To Cab Glass................................................................................ 39
				Precautions When Running Engine Inside Building................................................................. 39
				Safety At Jobsite............................................................................................... 40
				Working On Loose Ground......................................................................................... 40
				Distance To High Voltage Cables................................................................................. 40
				Ensure Good Visibility.......................................................................................... 41
				Signalman's Signal And Signs.................................................................................... 41
				Asbestos Dust Hazard Prevention................................................................................. 42
			SAFETY MACHINE OPERATION............................................................................................ 43
				Starting Engine................................................................................................. 43
					Checks Before Starting Engine............................................................................... 43
					Safety Rules For Starting Engine............................................................................ 44
					Starting Engine In Cold Weather............................................................................. 44
					Starting Engine With Booster Cables......................................................................... 44
				Operation....................................................................................................... 45
					Checks Before Operation..................................................................................... 45
					Safety Rules For Changing Machine Directions................................................................ 45
					Safety Rules For Traveling.................................................................................. 46
					Traveling On Slopes......................................................................................... 47
					Operations On Slopes........................................................................................ 48
					Prohibited Operations....................................................................................... 49
					Operations On Snow Or Frozen Surfaces....................................................................... 51
					Parking Machine............................................................................................. 51
			TRANSPORTATION...................................................................................................... 52
				Loading and Unloading........................................................................................... 52
				Shipping the Machine............................................................................................ 52
			TOWING.............................................................................................................. 53
				Safety Rules For Towing......................................................................................... 53
			LIFTING OBJECTS WITH BUCKET......................................................................................... 54
				Safety Rules For Lifting Objects................................................................................ 54
			SAFETY MAINTENANCE INFORMATION...................................................................................... 55
				Warning Tag..................................................................................................... 55
				Keep Work Place Clean And Tidy.................................................................................. 55
				Select Suitable Place For Inspection And Maintenance............................................................ 55
				Only Authorized Personnel....................................................................................... 55
				Appoint Leader When Working With Others......................................................................... 55
				Stop Engine Before Carrying Out Maintenance..................................................................... 56
				Precautions When Working At High Places......................................................................... 56
				Two Workers For Maintenance When Engine Is Running.............................................................. 57
				Attachments..................................................................................................... 57
				Work On Machine................................................................................................. 58
				Work Under The Machine.......................................................................................... 58
				Proper Tools.................................................................................................... 58
				Battery Disconnect Switch....................................................................................... 59
				Removing Battery Terminals...................................................................................... 59
				Welding......................................................................................................... 59
				Battery......................................................................................................... 59
					Battery Hazard Prevention................................................................................... 59
				When Using Hammer............................................................................................... 60
				Precautions With High-temperature Coolant....................................................................... 60
				Precautions With High-temperature Oil........................................................................... 61
				Safety Rules For High-pressure Oil.............................................................................. 61
					Precaution For High Fuel Pressure........................................................................... 61
					Safety Handling High-pressure Hoses or Piping............................................................... 61
				Precaution For High Voltage..................................................................................... 62
				Noise........................................................................................................... 62
				Safety First When Using High-pressure Grease To Adjust Track Tension............................................ 62
				Do Not Disassemble Recoil Springs............................................................................... 63
				Accumulator..................................................................................................... 63
				Handling Gas Spring............................................................................................. 63
					Precautions when using...................................................................................... 63
					Precautions when discarding................................................................................. 64
				Compressed Air.................................................................................................. 64
				Air Conditioner Maintenance..................................................................................... 64
				Waste Materials................................................................................................. 64
				Select Window Washer Fluid...................................................................................... 64
				Personnel....................................................................................................... 64
				Periodic Replacement Of Safety Critical Parts................................................................... 65
		OPERATION............................................................................................................... 67
			MACHINE VIEW ILLUSTRATIONS.......................................................................................... 68
				Overall Machine View............................................................................................ 68
				General View of Cab............................................................................................. 70
			CONTROLS AND GAUGES................................................................................................. 71
				Machine Monitor................................................................................................. 72
			EXPLANATION OF COMPONENTS........................................................................................... 73
				Machine Monitor................................................................................................. 73
					Basic Operation of Machine Monitor.......................................................................... 74
					Warning Display............................................................................................. 79
					Meter Display............................................................................................... 89
					Gauges and Meter............................................................................................ 96
					Monitor Switches Portion.................................................................................... 99
					Handling Function Switches..................................................................................109
					User Menu Selector Switch...................................................................................113
					User Menu...................................................................................................114
					Machine Settings............................................................................................125
					Maintenance Screen Setting..................................................................................130
				Monitor Setting.................................................................................................132
					Screen Adjustment...........................................................................................132
					Screen Adjustment (Camera)..................................................................................133
					Clock Adjustment............................................................................................133
					Time........................................................................................................135
			SWITCHES............................................................................................................140
				Starting Switch.................................................................................................140
				Fuel Control Dial...............................................................................................141
				Cigarette Lighter...............................................................................................141
				Swing Lock Switch...............................................................................................141
				Lamp Switch.....................................................................................................142
				Horn Switch.....................................................................................................142
				One Touch Power Max. Switch.....................................................................................142
				Room Lamp Switch................................................................................................142
				Emergency Pump Drive Switch.....................................................................................143
				Swing Brake Cancel Switch.......................................................................................143
				Ceiling Window Wiper Switch.....................................................................................144
				Seat Heater Switch..............................................................................................144
				Engine Shutdown Secondary Switch................................................................................145
			CONTROL LEVERS AND PEDALS...........................................................................................146
				Lock Lever......................................................................................................146
				Travel Levers...................................................................................................147
				Work Equipment Control Lever....................................................................................148
			SUN ROOF............................................................................................................150
			WINDSHIELD..........................................................................................................150
			EMERGENCY ESCAPE HAMMER.............................................................................................156
			DOOR LOCK...........................................................................................................157
			CAB DOOR HINGE......................................................................................................157
			ENGINE HOOD.........................................................................................................158
				When Opening (Normal Case: Intermediate Lock Position)..........................................................158
				When Closing (Normal Case: Intermediate Lock Position)..........................................................160
			CAPS AND COVERS WITH LOCK...........................................................................................162
				Open and Close Caps with Lock...................................................................................162
					Opening the Cap.............................................................................................162
					Locking the Cap.............................................................................................162
				Open and Close Covers with Lock.................................................................................163
					Opening the Cover (Locked Cover)............................................................................163
					Locking the Cover...........................................................................................163
				Lock and Unlock Engine Hood.....................................................................................163
					Opening the Hood (Locked Hood)..............................................................................163
					Locking the Hood............................................................................................163
				Lock and Unlock Cab Door........................................................................................164
					Opening the Door (Locked Door)..............................................................................164
					Locking the Door............................................................................................164
			DRINK BOX...........................................................................................................165
			MAGAZINE BOX........................................................................................................165
			CUP HOLDER..........................................................................................................165
			ASHTRAY.............................................................................................................166
			AIR CONDITIONER CONTROLS............................................................................................167
				Air Conditioner Control Panel...................................................................................167
				Method of Operation.............................................................................................172
					Automatic Operation.........................................................................................172
					Stopping Automatic Operation................................................................................173
					Manual Operation............................................................................................173
					Stop Manual Operation.......................................................................................175
					Operation with Cold Air to Face and Warm Air to Feet........................................................175
					Defroster Operation.........................................................................................177
				Rules for Using Air Conditioner.................................................................................179
				Air Conditioner Maintenance.....................................................................................179
			RADIO...............................................................................................................180
				Control Panel...................................................................................................180
				Operation Method................................................................................................182
					Frequency Adjustment........................................................................................182
					Frequency Adjustment (Auto Presetting)......................................................................182
					Preset Call.................................................................................................182
					Preset Memory...............................................................................................182
					Sound Adjustment (Balance)..................................................................................182
					Sound Adjustment (Treble)...................................................................................183
					Sound Adjustment (Bass).....................................................................................183
					Time Adjustment.............................................................................................183
			AUXILIARY ELECTRIC POWER............................................................................................184
				24 V Power Source...............................................................................................184
				12 V Power Source...............................................................................................184
			FUSE................................................................................................................185
			FUSIBLE LINK........................................................................................................186
			TOOL BOX............................................................................................................186
			GREASE GUN HOLDER...................................................................................................186
			FIRE EXTINGUISHER...................................................................................................186
			BATTERY DISCONNECT SWITCH...........................................................................................187
			SYSTEM OPERATING LAMP...............................................................................................188
			HANDLING KOMATSU DIESEL PARTICULATE FILTER (KDPF)...................................................................189
				Operation Procedure of Manual Stationary Regeneration...........................................................192
					Komatsu Diesel Particulate Filter (KDPF) Regeneration Disable Procedure.....................................194
					While Regeneration is not being Performed: Setting for Regeneration Disable.................................195
					While Regeneration is being Performed: Stopping Regeneration................................................197
					Komatsu Diesel Particulate Filter (KDPF) Regeneration Disable Cancel Procedure..............................198
					Handling Komatsu Closed Crankcase Ventilation (KCCV)........................................................198
			HANDLING MACHINES EQUIPPED WITH KOMTRAX.............................................................................199
				Basic Precautions...............................................................................................200
			MACHINE OPERATIONS AND CONTROLS.....................................................................................201
				Before Starting Engine..........................................................................................201
					Walk-around Checks..........................................................................................201
					Checks Before Starting......................................................................................203
					Adjustment..................................................................................................212
				Seat Belt Inspection............................................................................................221
				Seat Belt.......................................................................................................222
				Operations Before Starting Engine...............................................................................223
			STARTING ENGINE.....................................................................................................225
				Turbo Protect Function..........................................................................................228
			AFTER STARTING ENGINE...............................................................................................229
				Engine Warm Up..................................................................................................231
				Hydraulic System Warm-Up........................................................................................233
				Operation After Completion Of Warming-Up Operation..............................................................240
			STOPPING THE ENGINE.................................................................................................242
			MACHINE OPERATION...................................................................................................243
				Preparations for Moving the Machine.............................................................................243
				Moving Machine Forward..........................................................................................244
				Moving Machine Backward.........................................................................................245
				Stopping Machine................................................................................................246
			STEERING THE MACHINE................................................................................................247
				Steering........................................................................................................247
					Steering the Machine when Stopped...........................................................................247
					Changing Direction of the Machine...........................................................................248
					Counter-rotation Turn (Spin Turn)...........................................................................248
			SWINGING............................................................................................................249
			WORK EQUIPMENT CONTROLS AND OPERATIONS..............................................................................250
			WORKING MODE........................................................................................................252
				Working Mode Switch.............................................................................................252
				One-Touch Power Max. Switch.....................................................................................254
			PROHIBITED OPERATIONS...............................................................................................255
			GENERAL OPERATION INFORMATION.......................................................................................258
				Traveling.......................................................................................................258
				High Speed Travel...............................................................................................258
				Permissible Water Depth.........................................................................................259
			TRAVELING ON SLOPES.................................................................................................260
			ESCAPE FROM MUD.....................................................................................................262
				Track on One Side Stuck.........................................................................................262
				Tracks on Both Sides Stuck......................................................................................262
			RECOMMENDED APPLICATIONS............................................................................................263
				Backhoe Work....................................................................................................263
				Shovel Work.....................................................................................................263
				Ditching Work...................................................................................................263
				Loading Work....................................................................................................264
			BUCKET REPLACEMENT AND INVERSION....................................................................................265
				Replacement.....................................................................................................265
				Inversion.......................................................................................................267
			PARKING MACHINE.....................................................................................................269
			MACHINE INSPECTION AFTER DAILY WORK.................................................................................271
			LOCKING.............................................................................................................271
			TRANSPORTATION......................................................................................................271
				Transportation Procedure........................................................................................271
				Loading And Unloading With Trailer..............................................................................272
					Loading.....................................................................................................273
					Securing Machine............................................................................................276
					Stowing Radio Antenna.......................................................................................278
					Rearview Mirrors............................................................................................278
					Remove and Install Handrail.................................................................................280
					Unloading...................................................................................................281
			LIFTING MACHINE.....................................................................................................283
				Standard Specification Machines.................................................................................283
					Machines with Lifting Hook..................................................................................285
			COLD WEATHER OPERATION..............................................................................................286
				Cold Weather Operation Information..............................................................................286
					Fuel and Lubricants.........................................................................................286
					Coolant.....................................................................................................286
					Battery.....................................................................................................287
			AFTER DAILY WORK COMPLETION.........................................................................................288
			AFTER COLD WEATHER SEASON...........................................................................................288
			LONG TERM STORAGE...................................................................................................289
				Before Storage..................................................................................................289
				During Storage..................................................................................................289
				After Storage...................................................................................................290
				Starting Machine After Long-term Storage........................................................................290
			TROUBLES AND ACTIONS................................................................................................291
				Running Out Of Fuel.............................................................................................291
				Phenomena That Are Not Failures.................................................................................291
				Towing The Machine..............................................................................................292
				Lightweight Towing Hole.........................................................................................293
				Severe Job Condition............................................................................................293
				Discharged Battery..............................................................................................294
					Battery Removal and Installation............................................................................294
					Battery Charges.............................................................................................295
					Starting Engine with Booster Cables.........................................................................296
			OTHER TROUBLE.......................................................................................................298
				Electrical System...............................................................................................298
				Chassis.........................................................................................................299
				Engine..........................................................................................................300
				Electronic Control System.......................................................................................302
					Point of Contact to Telephone when Error Occurs.............................................................302
		MAINTENANCE.............................................................................................................303
			MAINTENANCE INFORMATION.............................................................................................304
			OUTLINE OF SERVICE..................................................................................................306
				Handling Oil, Fuel, Coolant, And Performing Oil Clinic..........................................................306
					Oil.........................................................................................................306
					Fuel........................................................................................................307
					Coolant And Water For Dilution..............................................................................307
					Grease......................................................................................................308
					Carrying Out KOWA (Komatsu Oil Wear Analysis)...............................................................308
					Storing Oil And Fuel........................................................................................309
					Filters.....................................................................................................309
				Electric System Maintenance.....................................................................................309
			WEAR PARTS..........................................................................................................310
				Wear Parts List.................................................................................................310
			RECOMMENDED FUEL, COOLANT, AND LUBRICANT............................................................................311
				Lubrication Chart...............................................................................................311
				Fuel, Coolant, and Lubricants to Match the Ambient Temperature..................................................313
				KDPF (Komatsu Diesel Particulate Filter)........................................................................313
				Recommended Brands, Recommended Quality For Products Other Than Komatsu Genuine Oil.............................314
			TORQUE SPECIFICATIONS...............................................................................................315
				Torque List.....................................................................................................315
					Torque Of Bolts.............................................................................................315
					Torque Of Hose Nuts.........................................................................................316
					Torque Of Split Flange Bolts................................................................................316
					Torque For Flared Nuts......................................................................................317
					Torque For O-ring Boss Piping Joints........................................................................317
					Torque For O-ring Boss Plugs................................................................................318
					Torque For Hoses (Taper Seal Type And Face Seal Type).......................................................318
			SAFETY CRITICAL PARTS...............................................................................................320
				Safety Critical Parts List......................................................................................321
			MAINTENANCE SCHEDULE................................................................................................322
				Maintenance Schedule Table......................................................................................322
				Maintenance Interval For Hydraulic Breaker......................................................................324
			MAINTENANCE PROCEDURE...............................................................................................325
				Initial 10 Hours Maintenance....................................................................................325
				Initial 250 Hours Maintenance (Only After The First 250 Hours)..................................................325
				Initial 500 Hours Maintenance (Only After The First 500 Hours)..................................................325
				When Required...................................................................................................326
					Check, Clean And Replace Air Cleaner Element................................................................326
					Clean Inside Of Cooling System..............................................................................333
					Check And Tighten Track Shoe Bolts..........................................................................338
					Check And Adjust Track Tension..............................................................................339
					Replace Bucket Teeth (Vertical Pin Type)....................................................................341
					Replace Bucket Teeth (Horizontal Pin Type)..................................................................344
					Replace Bucket Side Cutter, Shroud..........................................................................346
					Adjust Bucket Clearance.....................................................................................347
					Check Window Washer Fluid Level, Add Fluid..................................................................348
					Check And Maintenance Air Conditioner.......................................................................349
					Wash Washable Floor.........................................................................................350
					Method of Setting Machine at Angle..........................................................................352
					Check Gas Spring............................................................................................353
					Bleeding Air From Hydraulic System..........................................................................354
				Check Before Starting...........................................................................................356
				Every 100 Hours Maintenance.....................................................................................357
					Lubricating.................................................................................................357
				Every 250 Hours Maintenance.....................................................................................358
					Check Level Of Battery Electrolyte..........................................................................358
					Check Air Conditioner Compressor Belt Tension, Adjust.......................................................360
				Every 500 Hours Maintenance.....................................................................................362
					Lubricating.................................................................................................362
					Change Oil In Engine Oil Pan................................................................................364
					Replace Engine Oil Filter Cartridge.........................................................................364
					Replace Fuel Pre-filter Cartridge...........................................................................366
					Check Swing Pinion Grease Level, Add Grease.................................................................368
					Clean And Inspect Radiator Fins, Oil Cooler Fins, Aftercooler Fins, Fuel Cooler Fins, And Condenser Fins....369
					Clean Air Conditioner Fresh/Recirc Filters..................................................................371
					Replace Breather Element In Hydraulic Tank..................................................................373
					Check Oil Level In Swing Machinery Case, Add Oil............................................................374
					Check Oil Level In Final Drive Case, Add Oil................................................................375
				Every 1000 Hours Maintenance....................................................................................376
					Replace Hydraulic Oil Filter Element........................................................................376
					Change Oil In Swing Machinery Case..........................................................................377
					Check Oil Level In Damper Case, Add Oil.....................................................................378
					Replace Fuel Main Filter Cartridge..........................................................................379
					Check All Tightening Points Of Engine Exhaust Pipe Clamps...................................................382
					Check Fan Belt Tension And Replace Fan Belt.................................................................382
					Check Nitrogen Gas Charge Pressure In Accumulator (For Breaker).............................................382
				Every 2000 Hours Maintenance....................................................................................383
					Change Oil In Final Drive Case..............................................................................383
					Clean Hydraulic Tank Strainer...............................................................................384
					Checking Charge Pressure Of Nitrogen Gas In Accumulator (For Control Circuit)...............................385
					Check Alternator............................................................................................388
					Check Engine Valve Clearance, Adjust........................................................................388
					Replace Komatsu Closed Crankcase Ventilation (KCCV) Filter Element..........................................389
				Every 4000 Hours Maintenance....................................................................................392
					Check Water Pump............................................................................................392
					Check Vibration Damper......................................................................................392
					Check Starting Motor........................................................................................392
					Replace Accumulator (For Control Circuit)...................................................................393
					Check For Looseness Of High-pressure Piping Clamp, Hardening Of Rubber......................................394
					Check For Missing Fuel Spray Prevention Cap, Hardening Of Rubber............................................394
					Check Operating Condition Of Compressor.....................................................................395
				Every 4500 Hours Maintenance....................................................................................396
					Clean Komatsu Diesel Particulate Filter (KDPF)..............................................................396
					Replace Komatsu Closed Crankcase Ventilation (KCCV) Hose....................................................396
				Every 5000 Hours Maintenance....................................................................................397
					Change Oil In Hydraulic Tank................................................................................397
				Every 8000 Hours Maintenance....................................................................................398
					Replace Fuel Spray Prevention Cap...........................................................................398
					Replace High-pressure Piping Clamp..........................................................................398
		SPECIFICATIONS..........................................................................................................399
			SPECIFICATIONS......................................................................................................400
		OPTIONS, ATTACHMENTS....................................................................................................403
			GENERAL PRECAUTIONS FOR SAFETY......................................................................................404
				Precautions When Selecting......................................................................................404
				Read The Operation and Maintenance Manual Thoroughly............................................................404
				Precautions When Removing Or Installing.........................................................................404
				Precautions When Using..........................................................................................404
			BUCKET WITH HOOK....................................................................................................406
				Hook Condition..................................................................................................406
				Prohibited Operations...........................................................................................406
			CHANGING DIRECTION OF THE MACHINE...................................................................................407
				Straight Travel (Option)........................................................................................408
			CHANGING MACHINE CONTROL PATTERN....................................................................................409
				Control Pattern Change Procedure................................................................................409
			MACHINE READY FOR ATTACHMENT........................................................................................411
				Locations.......................................................................................................411
					Stop Valve..................................................................................................411
					Selector Valve..............................................................................................412
					Attachment Control Pedal....................................................................................412
					Lock Pin....................................................................................................412
					Breaker Circuit Additional Oil Filter.......................................................................413
					Accumulator.................................................................................................414
			HYDRAULIC CIRCUIT...................................................................................................415
				Switching Hydraulic Circuit.....................................................................................415
					Switching Between Breaker and General Attachment............................................................415
				Hydraulic Circuit Connection....................................................................................416
				Oil Flow Path...................................................................................................417
				Replace Additional Breaker Filter Element.......................................................................418
				Replace Additional Breaker Pilot Filter Element.................................................................421
			ATTACHMENT REMOVAL AND INSTALLATION.................................................................................424
				Attachment Removal..............................................................................................424
				Attachment Installation.........................................................................................426
			ATTACHMENT OPERATIONS...............................................................................................428
				When Using Breaker..............................................................................................428
				When Using General Attachment Such as Crusher...................................................................431
			LONG TERM STORAGE...................................................................................................432
				Specifications..................................................................................................432
				Attachment Guide................................................................................................433
				Attachment Combinations.........................................................................................433
			TRACK SHOES SELECTION...............................................................................................434
			BUCKET TEETH SELECTION..............................................................................................435
				Selection Guide for Horizontal or Vertical Pin Type Tooth.......................................................435
			RECOMMENDED ATTACHMENT OPERATIONS...................................................................................436
				Hydraulic Breaker...............................................................................................436
				Prohibited Works................................................................................................438

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