Komatsu Log Loader/Road Builder Excavator PC390LL Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Log Loader/Road Builder Excavator PC390LL-10, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Log Loader/Road Builder Excavator PC390LL-10 workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
PRODUCT DETAILS:
Total Pages: 2,673 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
CEAM027101 - Log Loader_Road Builder Excavator PC390LL-10 Operation & Maintenance Manual.pdf
CEBM027501 - Log Loader_Road Builder Excavator PC390LL-10 Shop Manual.pdf
CEBM027502 - Log Loader_Road Builder Excavator PC390LL-10 Shop Manual.pdf
MAIN SECTIONS
CEBM027501 PC390LL-10 S/N A50601-...1
CONTENTS...3
00 - FOREWORD...4
SAFETY...4
Safety Notice...4
Important Safety Notice...4
General Precautions...4
Preparations For Work...5
Precautions During Work...5
GENERAL...8
HOW TO READ THE SHOP MANUAL...10
Volumes...10
Distribution and Updating...10
Filing Method...10
Revised Edition Mark...10
Revisions...10
Symbols...10
HOISTING INSTRUCTIONS...11
Hoisting...11
Making Signs...11
Precautions...11
Precautions for Sling Work...11
Precautions for Using Mobile Crane...12
Precautions for Using Overhead Hoist Crane...12
Selecting Wire Ropes...13
HANDLING ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENTS...14
Points to Remember When Handling Electric Equipment...14
Points to Remember When Handling Hydraulic Equipment...26
PUSH PULL COUPLER...28
Type 1...28
Disconnection...28
Connection...28
Type 2...29
Disconnection...29
Connection...29
Type 3...30
Disconnection...30
Connection...30
EXPLANATION OF MAINTENANCE STANDARD TERMS...31
HANDLING OF FUEL SYSTEM DEVICES...32
HANDLING OF INTAKE SYSTEM PARTS...33
STANDARD TIGHTENING TORQUE...34
Bolts And Nuts...34
Tightening Torque Of Hose Nuts...35
Tightening Torque Of Split Flange Bolts...35
Tightening Torque For Flared Nuts...35
Tightening Torques for Split Flanged Bolts...36
Tightening Torques For O-ring Boss Piping Joints...36
Table Of Tightening Torques For O-ring Boss Plugs...36
Tightening Torque For Hoses (Taper Seal Type And Face Seal Type)...37
Tightening Torque For Face Seal Joints...37
For 102, 107, and 114 Engine Series (Bolts and Nuts)...37
For 102, 107, and 114 Engine Series (Eye Joints)...38
For 102, 107, and 114 Engine Series (Taper Screws)...38
ELECTRIC WIRE CODE...39
Classification By Thickness...39
Classification By Color And Code...39
How To Read Electric Wire Code...40
PRECAUTIONS FOR OPERATIONS...43
Precautions When Carrying Out Removal Work...43
Precautions When Carrying Out Installation Work...44
Precautions When Completing the Operation...45
CONVERSION TABLES...46
Method Of Using The Conversion Table...46
COATING MATERIALS...52
LIST OF ABBREVIATIONS...54
List of Abbreviations Used in the Shop Manual...54
List of Abbreviations Used in the Circuit Diagrams...58
01 - GENERAL...60
SPECIFICATIONS...61
Dimension Drawings...61
Road Builder...61
Log Loader...61
Dimensions...62
Working Ranges...63
Road Builder...63
Log Loader...64
Engine...65
Undercarriage...65
Hydraulic System...66
Road Builder...66
Log Loader...67
WEIGHT TABLE...68
FUEL, COOLANT AND LUBRICANTS...70
Lubrication Chart...72
10 - STRUCTURE AND FUNCTION...74
ENGINE AND COOLING SYSTEM...77
Engine Related Parts...77
Cooling System...79
POWERTRAIN SYSTEM...81
Powertrain...81
Swing Circle...83
Final Drive...84
TRACK FRAME RECOIL SPRING...85
HYDRAULIC SYSTEM...87
Hydraulic Component Layout...87
Valve Control...89
Hydraulic Tank...91
Oil Filler Cap...92
CLSS...93
Structure of CLSS...93
Basic principle...94
Main Pump...97
Operation...101
LS Valve...103
PC Valve...109
LS(PC)-EPC Valve...116
Control Valve...119
Functions and Operation by Valve...131
Hydraulic Circuit Diagram and Name of Valves...131
Unload Valve...133
Introduction of LS Pressure...134
LS By-Pass Plug...135
Pressure Compensation Valve...136
Shuttle Valve In Pressure Compensation Valve...139
Boom Regeneration Circuit...141
Arm Regeneration Circuit...143
Merge-Divider Valve...145
LS Selector Valve...148
Self-Pressure Reducing Valve...149
Travel Junction Valve...152
Travel PPC Shuttle Valve...155
Boom Hydraulic Drift Prevention Valve...157
Arm Hydraulic Drift Prevention Valve (Road Builder)...160
Arm Drift Prevention Valve (Log Loader)...163
Operation...164
Suction Safety Valve for Drift Prevention Valve...166
Arm Quick Return Valve...167
Variable Back Pressure Valve...169
Main Relief Valve...171
Suction 2-Stage Safety Valve...172
Swing Motor...174
Swing Holding Brake...176
Relief Valve...178
Swing 2-Stage Relief Valve...180
Swing Motor Reverse Prevention Valve...181
Travel Motor - Type KMV200ADT-2...184
Operation of Travel Motor...187
Parking Brake...189
Brake Valve...191
Safety Valve...193
PPC Valve...197
Work Equipment and Swing PPC Valve...197
Travel PPC Valve...202
1st-Line Attachment PPC Valve (with EPC Valve) (If Equipped)...207
EPC Valve (If Equipped)...209
2nd-Line Attachment PPC Valve (If Equipped)...212
Solenoid Valve...214
Attachment Solenoid Valve...216
Center Swivel Joint...218
Accumulator...219
PPC Accumulator...219
WORK EQUIPMENT...220
Work Equipment - Road Builder...220
Work Equipment - Log Loader...221
Work Equipment Shim...222
Bucket Play Adjustment Shim...222
ELECTRICAL SYSTEM...224
Electrical Control System...224
Machine Control System Diagram...224
Engine Control Function...226
Engine and Pump Combined Control Function...228
Pump and Valve Control Function...234
One-Touch Power Maximizing Function...236
Machine Push-Up Function...238
Auto-Deceleration Function...240
Engine Automatic Warm-Up Function...242
Overheat Prevention Function...244
Turbocharger Protection Function...245
Swing Control Function...246
Swing Control Function (with Soft Swing Option)...247
Quick Warm-Up Function...249
Swing 2-Stage Relief Function...249
Travel Control Function...250
PPC Lock Function...252
Attachment Flow Control Function...253
System Component Part...254
Engine Controller...254
Pump Controller...258
Fuel Control Dial...261
Resister for PC-EPC valve...262
CAN Terminating Resistor...263
Engine Oil Pressure Switch...264
PPC Oil Pressure Switch...265
MACHINE MONITOR SYSTEM...266
Machine Monitor...268
Input and Output Signals...269
Display...271
Gauges...273
Caution Monitor...275
Pilot Monitor...278
Switches...281
Guidance ICON and Function Switch...283
Operator Mode Function...286
Service Mode Function...288
KOMTRAX SYSTEM...289
KOMTRAX terminal...290
Input and Output Signals...291
SENSORS...293
Ambient Pressure Sensor...293
Charge (Boost) Pressure and Temperature Sensor...294
Coolant Temperature Sensor...295
Ne (Crankshaft) Speed Sensor...295
Bkup (Camshaft) Speed Sensor...296
Common Rail Pressure Sensor...296
Exhaust Manifold Pressure Sensor...297
EGR Orifice Temperature Sensor...297
EGR Valve Lift Sensor...298
Turbo Speed Sensor...299
KVGT Position Sensor...300
Mass Air Flow and Temperature Sensor...301
KDPF Differential Pressure and Outlet Pressure Sensor...301
KDOC Inlet Temperature Sensor...302
KDOC Outlet Temperature Sensor...302
KDPF Outlet Temperature Sensor...303
Crankcase Pressure Sensor...303
Engine Oil Level Sensor...304
Fuel Level Sensor...305
Coolant Level Sensor...306
Hydraulic Oil Temperature Sensor...306
Front Pump Oil Pressure Sensor...307
Rear Pump Oil Pressure Sensor...308
PPC Oil Pressure Sensor...309
Air Cleaner Clogging Sensor...310
Front Pump Swash Plate Sensor...311
Rear Pump Swash Plate Sensor...313
Water-In-Fuel Sensor...315
20- STANDARD VALUE TABLES...316
STANDARD SERVICE VALUE TABLES...317
Standard Value Table for Engine Related Parts...317
Standard Value Table for Chassis Related Parts...319
Engine Speed...319
Travel of Control Valve Spool...319
Travel of Control Lever...320
Operating Effort of Control Lever and Pedal...320
Hydraulic Pressure...321
Swing...322
Travel...323
Work Equipment...324
Performance in Combined Operation...325
Pump Swash Plate Sensor...326
Main Pump...326
Posture of Machine for Measuring Performance and Measurement Procedure...328
Control Valve: Spool Stroke...328
Swing 1: Overrun When Stopping Swing, Time Taken to Start Swing, Time Taken to Swing...328
Swing 2: Hydraulic Drift of Swing...328
Travel 1: Travel Speed, Idle Running (Without Load)...329
Travel 2: Travel Speed (Actual Run), Travel Deviation...329
Travel 3: Travel Deviation...330
Travel 4: Hydraulic Drift of Travel...330
Work Equipment 1: Hydraulic Drift of Work Equipment...331
Work Equipment 2: Boom Speed...331
Work Equipment 3: Arm Speed...331
Work Equipment 4: Bucket Speed/Heel Speed...332
Work Equipment 5: Boom Time Lag...332
Work Equipment 6: Arm Time Lag...333
Work Equipment 7: Bucket Time Lag...333
90- DIAGRAMS AND SCHEMATICS...334
HYDRAULIC CIRCUIT DIAGRAM...336
Symbols in Hydraulic Circuit Diagram...336
Hydraulic Circuit Diagram (1/2)...339
Hydraulic Circuit Diagram (2/2)...340
ELECTRICAL SYSTEM...341
Symbols in Electrical Circuit Diagrams...341
Air Conditioner Electrical Circuit Diagram...344
Electrical Circuit Diagram - Log Loader Unique...345
Electrical Circuit Diagram (1/6)...346
Electrical Circuit Diagram (2/6)...347
Electrical Circuit Diagram (3/6)...348
Electrical Circuit Diagram (4/6)...349
Electrical Circuit Diagram (5/6)...350
Electrical Circuit Diagram (6/6)...351
Cab Diagram...352
CEAM027101 PC390LL-10 S/N A50601 and UP...1
INTRODUCTION...3
FORWARD...4
SAFETY INFORMATION...5
Safety Labels...6
INTRODUCTION...7
Intended Use...7
Directions of Machine...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
Unique Safety Decals for Log Loader and Road Builder Excavators...31
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE...36
Precautions Before Starting Operation...36
Ensuring Safe Operation...36
Understanding the Machine...36
Preparations for Safe Operation...36
Precautions Regarding Safety-Related Equipment...36
Inspecting Machine...36
Clothing and Personal Protective Items...36
Keep Machine Clean...37
Keep Operator's Compartment Clean...37
Fire Extinguisher and First Aid Kit...37
Safety Equipment...37
If Problems are Found...37
Fire Prevention and Explosion Prevention...38
Action if Fire Occurs...39
Handrails and Steps...40
Mounting and Dismounting...40
No Persons on Attachments...40
Leaving Operator's Seat with Lock...41
Emergency Exit from Operator's Cab...41
Do Not Get Caught in Work Equipment...42
Precautions Related to Protective Structures...42
Falling Objects, Flying Objects and Intruding Objects Prevention...42
Unauthorized Modification...43
Precautions Related to Attachments and Options...43
Precautions Related to Cab Glass...43
Precautions When Running Engine Inside Building...43
Safety at Job Site...44
Working on Loose Ground...44
Distance to High Voltage Cables...44
Ensure Good Visibility...45
Signalman's Signal and Signs...45
Asbestos Dust Hazard Prevention...46
SAFETY MACHINE OPERATION...47
Starting Engine...47
Checks Before Starting Engine...47
Safety Rules for Starting Engine...48
Starting Engine in Cold Weather...48
Starting Engine with Booster Cables...48
Operation...49
Checks Before Operation...49
Safety Rules for Changing Machine Directions...49
Safety Rules for Traveling...50
Traveling on Slopes...51
Operations on Slopes...52
Prohibited Operations...53
Operations on Snow or Frozen Surfaces...55
Parking Machine...55
TRANSPORTATION...56
Loading and Unloading...56
Shipping the Machine...57
TOWING...57
Safety Rules for Towing...57
LIFTING OBJECTS WITH BUCKET...58
Safety Rules for Lifting Objects...58
SAFETY MAINTENANCE INFORMATION...59
Warning Tag...59
Keep Work Place Clean and Tidy...59
Select Suitable Place for Inspection and Maintenance...59
Only Authorized Personnel...59
Appoint Leader When Working with Others...59
Stop Engine Before Carrying Out Maintenance...60
Precautions When Working at High Places...60
Two Workers for Maintenance When Engine is Running...61
Attachments...61
Work on Machine...62
Work Under the Machine...62
Proper Tools...62
Battery Disconnect Switch...63
Removing Battery Terminals...63
Welding...63
Battery...63
Battery Hazard Prevention...63
When Using Hammer...64
Precautions with High Temperature Coolant...64
Precautions with High Temperature Oil...65
Safety Rules for High-Pressure Oil...65
Precaution for High Fuel Pressure...65
Safety Handling High-Pressure Hoses or Piping...65
Precaution for High Voltage...66
Noise...66
Safety First When Using High-Pressure Grease to Adjust Track Tension...66
Do Not Disassemble Recoil Springs...67
Accumulator...67
Handling Gas Spring...67
Precautions When Using...67
Precautions When Discarding...68
Compressed Air...68
Air Conditioner Maintenance...68
Waste Materials...68
Select Window Washer Fluid...68
Personnel...68
Periodic Replacement of Safety Critical Parts...69
OPERATION...71
MACHINE VIEW ILLUSTRATIONS...72
General View of Log Loader Machine...72
General View of Road Builder Machine...73
General View of Cab...75
CONTROLS AND GAUGES...76
Machine Monitor...77
EXPLANATION OF COMPONENTS...78
Machine Monitor...78
Basic Operation of Machine Monitor...79
Warning Display...84
Meter Display...94
Gauges and Meter...101
Monitor Switches Portion...104
Handling Function Switches...114
User Menu Selector Switch...118
User Menu...119
Machine Settings...131
Maintenance Screen Setting...136
Monitor Setting...138
Screen Adjustment...138
Screen Adjustment (Camera)...139
Clock Adjustment...139
Time...141
SWITCHES...146
Starting Switch...147
Fuel Control Dial...147
Cigarette Lighter...147
Swing Lock Switch...148
Lamp Switch...148
Room Lamp Switch...149
Soft Swing Switch...150
Emergency Pump Drive Switch...151
Swing Brake Cancel Switch...151
Seat Heater Switch...152
Engine Shutdown Secondary Switch...153
CONTROL LEVERS AND PEDALS...154
Lock Lever...154
Travel Levers...155
Work Equipment Control Lever...156
EMERGENCY ESCAPE...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
Stowing Radio Antenna...183
AUXILIARY ELECTRIC POWER...184
24 V Power Source...184
12 V Power Source...184
FUSE...185
FUSIBLE LINK...187
TOOL BOX...187
GREASE GUN HOLDER...187
BATTERY DISCONNECT SWITCH...188
SYSTEM OPERATING LAMP...189
HANDLING KOMATSU DIESEL PARTICULATE FILTER (KDPF)...190
Operation Procedure of Manual Stationary Regeneration...195
Komatsu Diesel Particulate Filter (KDPF) Regeneration Disable Procedure...198
While Regeneration is Being Performed: Stopping Regeneration...199
Handling Komatsu Closed Crankcase Ventilation (KCCV)...200
HANDLING MACHINES EQUIPPED WITH KOMTRAX...201
Basic Precautions...201
MACHINE OPERATIONS AND CONTROLS...202
Before Starting Engine...202
Walk-Around Checks...202
Checks Before Starting...204
Adjustment...214
Seat Belt Inspection...223
Seat Belt...224
Operations Before Starting Engine...225
STARTING ENGINE...227
Turbo Protect Function...230
AFTER STARTING ENGINE...231
Engine Warm Up...233
Hydraulic System Warm-Up...235
Operation After Completion of Warming-Up Operation...241
STOPPING THE ENGINE...243
MACHINE OPERATION...244
Preparations for Moving the Machine...244
Moving Machine Forward...245
Moving Machine Backward...246
Stopping Machine...247
STEERING THE MACHINE...248
Steering...248
Steering the Machine When Stopped...248
Changing Direction of the Machine...249
Counter-Rotation Turn (Spin Turn)...249
SWINGING...250
WORK EQUIPMENT CONTROLS AND OPERATIONS...251
WORKING MODE...253
Working Mode Switch...253
One-Touch Power Max. Switch...255
PROHIBITED OPERATIONS...256
GENERAL OPERATION INFORMATION...259
Traveling...259
High Speed Travel...259
Permissible Water Depth...260
TRAVELING ON SLOPES...261
ESCAPE FROM MUD...263
Track on One Side Stuck...263
Tracks on Both Sides Stuck...263
RECOMMENDED APPLICATIONS...264
Backhoe Work...264
Shovel Work...264
Ditching Work...264
Loading Work...265
BUCKET REPLACEMENT AND INVERSION...266
Replacement...266
Inversion...268
PARKING MACHINE...270
MACHINE INSPECTION AFTER DAILY WORK...272
LOCKING...272
TRANSPORTATION...272
Transportation Procedure...272
Loading and Unloading with Trailer...273
Loading...274
Securing Machine...277
Stowing Radio Antenna...281
Rear View Mirrors...281
Unloading...284
LIFTING MACHINE...286
Standard Specification Machines...286
COLD WEATHER OPERATION...288
Cold Weather Operation Information...288
Fuel and Lubricants...288
Coolant...288
Battery...289
AFTER DAILY WORK COMPLETION...290
AFTER COLD WEATHER SEASON...290
LONG TERM STORAGE...291
Before Storage...291
During Storage...291
After Storage...292
Starting Machine After Long-Term Storage...292
TROUBLES AND ACTIONS...293
Running Out of Fuel...293
Phenomena that are Not Failures...293
Towing the Machine...294
Lightweight Towing Hole...295
Severe Job Condition...295
Discharged Battery...296
Battery Removal and Installation...296
Battery Charges...297
Starting Engine with Booster Cables...298
OTHER TROUBLE...300
Electrical System...300
Chassis...301
Engine...302
Electronic Control System...304
Point of Contact to Telephone When Error Occurs...304
MAINTENANCE...305
MAINTENANCE INFORMATION...306
OUTLINE OF SERVICE...308
Handling Oil, Fuel, Coolant, and Performing Oil Clinic...308
Oil...308
Fuel...309
Coolant and Water for Dilution...309
Grease...310
Carrying Out KOWA (Komatsu Oil Wear Analysis)...310
Storing Oil and Fuel...311
Filters...311
Electric System Maintenance...311
WEAR PARTS...312
Wear Parts List...312
RECOMMENDED FUEL, COOLANT, AND LUBRICANT...313
Lubrication Chart...313
Fuel, Coolant, and Lubricants to Match the Ambient Temperature...315
KDPF (Komatsu Diesel Particulate Filter)...315
Recommended Brands, Recommended Quality for Products Other than Komatsu Genuine Oil...316
TORQUE SPECIFICATIONS...317
Torque List...317
Torque of Bolts...317
Torque of Hose Nuts...318
Torque of Split Flange Bolts...318
Torque for Flared Nuts...318
Torque for O-Ring Boss Piping Joints...320
Torque for O-Ring Boss Plugs...320
Torque for Hoses (Taper Seal Type and Face Seal Type)...321
SAFETY CRITICAL PARTS...322
Safety Critical Parts List...323
MAINTENANCE SCHEDULE...324
Maintenance Schedule Table...324
MAINTENANCE PROCEDURE...326
Initial 10 Hours Maintenance...326
Initial 250 Hours Maintenance (Only After the First 250 Hours)...326
Initial 500 Hours Maintenance (Only After the First 500 Hours)...326
When Required...327
Check, Clean and Replace Air Cleaner Element...327
Clean Inside of Cooling System...334
Check and Tighten Track Shoe Bolts...340
Check and Adjust Track Tension...341
Replace Bucket Teeth (Vertical Pin Type)...343
Replace Bucket Teeth (Horizontal Pin Type)...346
Replace Bucket Side Cutter, Shroud...348
Adjust Bucket Clearance...349
Check Window Washer Fluid Level, Add Fluid...350
Check and Maintain Air Conditioner...351
Wash Washable Floor...352
Set Machine at Angle...354
Check Gas Spring...355
Bleeding Air From Hydraulic System...356
Check Before Starting...358
Every 50 Hours Maintenance...359
Lubricating Road Builder...359
Lubricating Log Loader...361
Every 250 Hours Maintenance...362
Check Level of Battery Electrolyte...362
Check Air Conditioner Compressor Belt Tension, Adjust...364
Lubricate Swing Circle...365
Check Oil Level in Swing Machinery Case, Add Oil...366
Every 500 Hours Maintenance...367
Lubricating...367
Change Oil in Engine Oil Pan...369
Replace Engine Oil Filter Cartridge...369
Replace Fuel Pre-Filter Cartridge...371
Check Swing Pinion Grease Level, Add Grease...375
Clean and Inspect Radiator Fins, Oil Cooler Fins, Aftercooler Fins, Fuel Cooler Fins, and Condenser Fins...376
Clean Air Conditioner Fresh/Recirc Filters...378
Replace Breather Element in Hydraulic Tank...380
Replace Additional Breather Element in Hydraulic Tank...381
Check Oil Level in Final Drive Case, Add Oil...382
Check Oil Level in Swing Machinery Case, Add Oil...383
Every 1000 Hours Maintenance...384
Replace Hydraulic Oil Filter Element...384
Change Oil in Swing Machinery Case...385
Check Oil Level in Damper Case, Add Oil...386
Replace Fuel Main Filter Cartridge...387
Check All Tightening Points of Engine Exhaust Pipe Clamps...389
Check Fan Belt Tension and Replace Fan Belt...389
Check Nitrogen Gas Charge Pressure in Accumulator (For Breaker)...389
Every 2000 Hours Maintenance...390
Change Oil in Final Drive Case...390
Clean Hydraulic Tank Strainer...391
Check Charge Pressure of Nitrogen Gas in Accumulator (For Control Circuit)...392
Check Alternator...396
Check Engine Valve Clearance, Adjust...396
Replace Komatsu Closed Crankcase Ventilation (KCCV) Filter Element...397
Every 4000 Hours Maintenance...401
Check Water Pump...401
Check Vibration Damper...401
Check Starting Motor...401
Replace Accumulator (For Control Circuit)...402
Check for Missing Fuel Spray Prevention Cap, Hardening of Rubber...403
Check Operating Condition of Compressor...403
Every 4500 Hours Maintenance...404
Clean Komatsu Diesel Particulate Filter (KDPF)...404
Replace Komatsu Closed Crankcase Ventilation (KCCV) Hose...404
Every 5000 Hours Maintenance...405
Change Oil in Hydraulic Tank...405
Every 8000 Hours Maintenance...407
Replace Fuel Spray Prevention Cap...407
Replace High-Pressure Piping Clamp...407
SPECIFICATIONS...409
SPECIFICATIONS...410
Dimensions...411
Working Range...414
Road Builder...414
Log Loader...416
Lifting Capacity...418
OPTIONS, ATTACHMENTS...421
GENERAL PRECAUTIONS FOR SAFETY...422
Precautions When Selecting...422
Read the Operation and Maintenance Manual Thoroughly...422
Precautions When Removing or Installing...422
Precautions When Using...422
BUCKET WITH HOOK...423
Hook Condition...423
Safety Rules for Lifting Operations...423
Straight Travel (Option)...424
TRACK SHOES SELECTION...426
BUCKET TEETH SELECTION...427
Selection Guide for Horizontal or Vertical Pin Type Tooth...427