Kobelco SK135SR-7 User manual

Book Code No. S2YY00041ZE03
APPLICABLE No.
READ, UNDERSTAND AND FOLLOW ALL SAFETY
PRECAUTIONS AND INSTRUCTIONS FOUND IN THIS
MANUAL BEFORE OPERATING THE MACHINE.
2020.05
Destination : ANZ
YY09045001~
YY09045001~
LK09006001~
SK135SR-7
SK140SRLC-7
SK140SRL-7
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

1
［CONTENTS］
IMPORTANT INFORMATION
PREFACE ................................................................................................................................................0-3
STORE OPERATION & MAINTENANCE MANUALS ON THE MACHINE ..................................................0-4
SAFETY INFORMATION IN MESSAGES OR LABELS IN THIS MANUAL AND ON THE MACHINE ...............0-5
SAFETY LABELS ..................................................................................................................................0-5
SUMMARY OF THE MACHINE..................................................................................................................0-7
QUALIFICATION FOR OPERATING THE MACHINE ...................................................................................0-8
CAB WITH ROPS (ROLL-OVER PROTECTIVE STRUCTURE)/FALLING OBJECTS PROTECTIVE
STRUCTURE.......................................................................................................................................0-9
ORDERING PARTS AND SERVICE .........................................................................................................0-10
WARRANTY ........................................................................................................................................... 0-11
IMPORTANT NOTIFICATION...................................................................................................................0-12
1. SAFETY INSTRUCTIONS
1.1 SAFETY LABELS & DECALS ............................................................................................................1-3
1.1.1 ALWAYS MAKE SURE ALL OF THE SAFETY LABELS ARE LEGIBLE AND NOT
DAMAGED.......................................................................................................................................1-3
1.1.2 "DO NOT OPERATE" TAG...........................................................................................................1-3
1.1.3 LOCATION OF SAFETY LABELS & DECALS ...............................................................................1-4
1.1.4 SAFETY LABELS........................................................................................................................1-7
1.2 PRE-START SAFETY......................................................................................................................1-13
1.2.1 OPERATION RULES.................................................................................................................1-13
1.2.2 PROTECTION TOOLS ..............................................................................................................1-14
1.2.3 ABNORMAL AND EMERGENCY CONDITION............................................................................ 1-15
1.2.4 POTENTIAL HAZARDS WHEN OPERATING .............................................................................1-16
1.2.5 FIRE PREVENTION..................................................................................................................1-19
1.2.6 GETTING ON AND OFF THE MACHINE ....................................................................................1-20
1.2.7 PRE-START UP INSPECTION ON THE MACHINE .....................................................................1-21
1.3 SECURE VISIBILITY.......................................................................................................................1-22
1.3.1 BE AWARE OF YOUR SURROUNDINGS...................................................................................1-22
1.4 PRECAUTIONS FOR OPERATION..................................................................................................1-23
1.4.1 STARTING ...............................................................................................................................1-23
1.4.2 TRAVELING .............................................................................................................................1-27
1.4.3 PROHIBITED OPERATIONS .....................................................................................................1-30
1.4.4 SAFETY CHECK ON THE PARKING MACHINE .........................................................................1-36
1.5 AT THE END OF EACH SHIFT.........................................................................................................1-38
1.6 PRECAUTIONS OF INSPECTION & MAINTENANCE .......................................................................1-39
1.6.1 PERIODIC INSPECTIONS ........................................................................................................1-39
1.6.2 BEFORE INSPECTION & MAINTENANCE ................................................................................. 1-40
1.6.3 DURING INSPECTION & MAINTENANCE .................................................................................1-41
1.6.4 PROHIBITED IN INSPECTION & MAINTENANCE ......................................................................1-47
1.6.5 AFTER COMPLETION OF MAINTENANCE................................................................................1-48
1.7 PRECAUTIONS FOR BATTERY ......................................................................................................1-49
1.7.1 HANDLING THE BATTERY .......................................................................................................1-49
1.8 HANDLING OF THE ACCUMULATOR OR GAS SPRING ..................................................................1-50
2. MACHINE FAMILIARIZATION
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

2
［CONTENTS］
2.1 BASIC COMPONENTS OF THE MACHINE ........................................................................................2-3
2.2 OPERATOR'S STATION NOMENCLATURE .......................................................................................2-5
2.3 MONITOR ........................................................................................................................................2-7
2.3.1 NORMAL SCREEN .....................................................................................................................2-7
2.3.2 SWITCH DISPLAY ......................................................................................................................2-8
2.3.3 NOTIFICATION ICON..................................................................................................................2-8
2.3.4 HYDRAULIC OIL TEMPERATURE METER ..................................................................................2-9
2.3.5 FUEL LEVEL METER..................................................................................................................2-9
2.3.6 ENGINE COOLANT TEMPERATURE METER ............................................................................2-10
2.3.7 DEF/ADBLUE LEVEL GAUGE ...................................................................................................2-10
2.3.8 SWITCH BOX........................................................................................................................... 2-11
2.3.9 SETTING MENU SCREEN ........................................................................................................2-13
2.3.10 SWITCH SETTING SCREEN ...................................................................................................2-24
2.3.11 TRAVEL SPEED SELECTION..................................................................................................2-26
2.3.12 WORK MODE SELECTION .....................................................................................................2-27
2.3.13 SWITCHING ATTACHMENT MODE .........................................................................................2-28
2.3.14 AUTO ACCELERATION ON/OFF SELECTION .........................................................................2-34
2.3.15 WIPER SWITCH .....................................................................................................................2-35
2.3.16 WASHER SWITCH..................................................................................................................2-35
2.3.17 BUZZER STOP SWITCH .........................................................................................................2-36
2.3.18 WARNING DISPLAY SCREEN.................................................................................................2-39
2.3.19 CLOGGING DETECTOR OF HYDRAULIC OIL FILTER .............................................................2-43
2.4 HANDLING OF SWITCHES AND METERS ......................................................................................2-44
2.4.1 STARTER SWITCH...................................................................................................................2-44
2.4.2 ENGINE THROTTLE.................................................................................................................2-44
2.4.3 WORKING LIGHT (BOOM AND DECK)......................................................................................2-45
2.4.4 WORKING LIGHT SWITCH (CAB LIGHT) .................................................................................. 2-45
2.4.5 MANUAL REGENERATION SWITCH.........................................................................................2-45
2.4.6 CAP (OPTION SWITCH) ...........................................................................................................2-46
2.4.7 HORN SWITCH ........................................................................................................................2-46
2.4.8 EMERGENCY ACCEL...............................................................................................................2-47
2.4.9 SWING PARKING BRAKE RELEASE SWITCH...........................................................................2-48
2.4.10 KPSS RELEASE SWITCH .......................................................................................................2-48
2.4.11 ENGINE STOP SWITCH..........................................................................................................2-49
2.4.12 12 V POWER SUPPLY ............................................................................................................2-49
2.4.13 USB PORT/EXTERNAL INPUT TERMINAL (AUX) ....................................................................2-50
2.5 HANDLING OF LEVERS AND PEDALS............................................................................................2-51
2.5.1 LOCATION OF LEVERS AND PEDALS ......................................................................................2-51
2.5.2 CONTROL LOCK LEVER ..........................................................................................................2-52
2.5.3 OPERATOR CONTROL LEVERS ..............................................................................................2-53
2.5.4 TRAVEL LEVER & PEDAL.........................................................................................................2-54
2.5.5 DOZER OPERATION LEVER ....................................................................................................2-55
2.6 HANDLING OF FUSE & RELAY BOX ...............................................................................................2-56
2.6.1 ABOUT FUSE & RELAY BOX ....................................................................................................2-56
2.6.2 REPLACING FUSES.................................................................................................................2-56
2.6.3 FUSE CAPACITY AND CIRCUIT NAME ..................................................................................... 2-57
2.7 HANDLING OF FUSIBLE LINK (FOR STARTER) ..............................................................................2-58
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

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［CONTENTS］
2.7.1 FUSIBLE LINK INSPECTION/REPLACEMENT...........................................................................2-58
2.8 CONTROLLER ...............................................................................................................................2-59
2.9 HANDLING OF RADIO ....................................................................................................................2-60
2.9.1 NAME OF EACH PART .............................................................................................................2-60
2.9.2 ON-AIR (NORMAL CONDITION) ...............................................................................................2-61
2.9.3 SWITCHING SOURCE..............................................................................................................2-62
2.9.4 FM/AM .....................................................................................................................................2-63
2.9.5 BLUETOOTH AUDIO FUNCTION, AND USB PORT/EXTERNAL INPUT TERMINAL.....................2-68
2.9.6 PAIRING (REGISTRATION OF DEVICES)..................................................................................2-71
2.9.7 TELEPHONE FUNCTION..........................................................................................................2-73
2.9.8 FILE PLAYING FUNCTION........................................................................................................2-75
2.9.9 VOLUME CONTROL.................................................................................................................2-82
2.9.10 SOUND ADJUSTMENT...........................................................................................................2-83
2.9.11 CLOCK ADJUSTMENT............................................................................................................2-87
2.10 AIR CONDITIONER.......................................................................................................................2-88
2.10.1 GRILLE (AIR OUTLET)............................................................................................................2-88
2.10.2 AIR CONDITIONER CONTROL PANEL....................................................................................2-89
2.10.3 AIR CONDITIONER OPERATION PANEL.................................................................................2-90
2.10.4 HOW TO USE AIR CONDITIONER ..........................................................................................2-93
2.10.5 SELF-DIAGNOSIS FUNCTION IN DISPLAY MONITOR.............................................................2-95
2.10.6 HANDLING AT IN-SEASON/OFF-SEASON ..............................................................................2-96
2.11 HANDLING OF SEAT BELT............................................................................................................2-97
2.11.1 HOW TO FASTEN SEAT BELT.................................................................................................2-97
2.11.2 HOW TO UNFASTEN SEAT BELT ............................................................................................2-97
2.12 HANDLING OF OPERATOR'S SEAT (AIR SUSPENSION SEAT)......................................................2-98
2.12.1 DAMPER ADJUSTMENT.........................................................................................................2-98
2.12.2 WEIGHT ADJUSTMENT..........................................................................................................2-99
2.12.3 HEIGHT ADJUSTMENT...........................................................................................................2-99
2.12.4 RECLINING ADJUSTMENT.....................................................................................................2-99
2.12.5 FRONT/REAR ADJUSTMENT OF CONTROL STAND...............................................................2-99
2.12.6 TILT ADJUSTMENT OF CONTROL BOX ..................................................................................2-99
2.12.7 FRONT/REAR ADJUSTMENT OF SEAT ................................................................................ 2-100
2.12.8 TILT ADJUSTMENT OF SEAT SEATING SURFACE ................................................................ 2-100
2.12.9 FRONT/REAR ADJUSTMENT OF SEAT SEATING SURFACE................................................. 2-100
2.12.10 ARM REST ADJUSTMENT .................................................................................................. 2-100
2.12.11 HEAD REST ADJUSTMENT................................................................................................. 2-100
2.12.12 SEAT HEATER.................................................................................................................... 2-100
2.12.13 LUMBAR SUPPORT ........................................................................................................... 2-100
2.13 HANDLING PARTS INSIDE CAB.................................................................................................. 2-101
2.13.1 CAB DOOR LOCK................................................................................................................. 2-101
2.13.2 OPENING DOOR FROM INSIDE OF CAB .............................................................................. 2-101
2.13.3 OPENING/CLOSING FRONT WINDOW (UPPER)................................................................... 2-102
2.13.4 REMOVING FRONT WINDOW (LOWER) ............................................................................... 2-103
2.13.5 ROOM LAMP........................................................................................................................ 2-104
2.14 EMERGENCY ESCAPE FROM OPERATOR'S STATION............................................................... 2-105
2.15 OTHER ACCESSORIES.............................................................................................................. 2-106
2.15.1 TOOL BOX ........................................................................................................................... 2-106
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

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［CONTENTS］
2.15.2 GREASE GUN HOLDER ....................................................................................................... 2-106
2.15.3 GUARD/SIDE DOOR (WITH LOCK) ....................................................................................... 2-106
2.16 BATTERY POWER-OFF SWITCH ................................................................................................ 2-108
3. MACHINE OPERATION
3.1 DAILY MAINTENANCE CHECKS.......................................................................................................3-3
3.1.1 SUPPORT STAY.........................................................................................................................3-3
3.2 CHECK BEFORE STARTING ENGINE...............................................................................................3-5
3.2.1 CHECKING COOLANT LEVEL AND REFILLING ..........................................................................3-5
3.2.2 CHECKING ENGINE OIL LEVEL OF ENGINE OIL PAN AND REFILLING.......................................3-6
3.2.3 CHECKING FUEL LEVEL AND REFUELING ................................................................................3-8
3.2.4 DRAINING FUEL PRE-FILTER ....................................................................................................3-9
3.2.5 CHECKING OIL LEVEL OF HYDRAULIC OIL TANK .................................................................... 3-10
3.2.6 CHECKING FAN BELT AND AIR CONDITIONING COMPRESSOR BELT..................................... 3-11
3.2.7 CHECKING RADIATOR, OIL COOLER AND FILTER...................................................................3-12
3.2.8 CHECKING DEF/ADBLUE LEVEL AND REFILLING ...................................................................3-12
3.2.9 ADJUSTMENT OF OPERATOR'S SEAT.....................................................................................3-13
3.2.10 ADJUSTMENT OF MIRRORS..................................................................................................3-14
3.2.11 CHECKING DISPLAY OF MONITOR ........................................................................................3-18
3.2.12 CHECKING WORKING LIGHT.................................................................................................3-18
3.2.13 CHECKING OF AIR CLEANER INLET ......................................................................................3-18
3.3 STARTING ENGINE........................................................................................................................3-19
3.3.1 START-UP UNDER NORMAL TEMPERATURE CONDITIONS.....................................................3-19
3.3.2 START UP IN COLD CONDITIONS............................................................................................3-21
3.3.3 USING JUMPER CABLES.........................................................................................................3-22
3.4 STOPPING MACHINE ENGINE .......................................................................................................3-24
3.5 CHECK AFTER STARTING ENGINE................................................................................................3-25
3.5.1 CHECK OF PILOT CONTROL LOCK LEVER..............................................................................3-25
3.5.2 CHECK OF ENGINE AND MONITOR.........................................................................................3-26
3.6 WARMING-UP ................................................................................................................................3-27
3.6.1 ENGINE WARMING-UP ............................................................................................................3-27
3.6.2 WARMING-UP HYDRAULIC OIL................................................................................................3-28
3.7 AUTO IDLING STOP FUNCTION .....................................................................................................3-29
3.7.1 RESTART AFTER AUTO IDLE STOP .........................................................................................3-29
3.8 WORK MODE SELECTION .............................................................................................................3-31
3.9 SWITCHING ATTACHMENT MODE .................................................................................................3-32
3.10 MACHINE OPERATION.................................................................................................................3-33
3.10.1 PRECAUTIONS OF MACHINE OPERATION ............................................................................3-33
3.10.2 TRAVEL PROCEDURES .........................................................................................................3-34
3.10.3 TRAVEL SPEED SELECTION..................................................................................................3-36
3.10.4 MACHINE OPERATION IN WATER OR ON SOFT GROUND.....................................................3-37
3.10.5 GETTING OUT OF SOFT GROUND.........................................................................................3-38
3.10.6 SWING AND ATTACHMENT/EQUIPMENT OPERATIONS.........................................................3-39
3.11 WORK PROCEDURES OF MACHINE ............................................................................................3-41
3.11.1 DIGGING WORK.....................................................................................................................3-41
3.11.2 LOADING WORK ....................................................................................................................3-41
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

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［CONTENTS］
3.11.3 GROUND LEVELING WORK ...................................................................................................3-42
3.12 ALWAYS PARK MACHINE PROPERLY ..........................................................................................3-43
3.12.1 PARKING MACHINE ON SLOPE .............................................................................................3-43
3.13 INSPECTION AND CHECK AFTER OPERATION............................................................................3-45
3.14 MACHINE OPERATION IN ADVERSE CONDITIONS ......................................................................3-46
3.14.1 OPERATION IN COLD CONDITION.........................................................................................3-46
3.14.2 OPERATION AT SEASHORE...................................................................................................3-47
3.14.3 OPERATION IN SANDY AND DUSTY AREAS...........................................................................3-47
3.15 PRECAUTIONS FOR LONG-TERM STORAGE ..............................................................................3-48
3.15.1 WASHING MACHINE ..............................................................................................................3-48
3.15.2 REFILLING OIL/GREASING ....................................................................................................3-48
3.15.3 BATTERY ...............................................................................................................................3-48
3.15.4 COOLANT ..............................................................................................................................3-48
3.15.5 PREVENTION OF DUST AND MOISTURE ...............................................................................3-49
3.15.6 PERIODICAL LUBRICATING OPERATION (DURING STORAGE) ............................................. 3-49
3.15.7 TREATMENT AFTER LONG-TERM STORAGE.........................................................................3-49
4. INSPECTION AND MAINTENANCE
4.1 GENERAL ........................................................................................................................................4-3
4.2 INSPECTING AND MAINTAING MACHINE.........................................................................................4-4
4.2.1 PERIODIC INSPECTION AND MAINTENANCE............................................................................4-4
4.2.2 PRECAUTIONS OF INSPECTION AND MAINTENANCE ..............................................................4-4
4.2.3 SUPPORT STAY.........................................................................................................................4-5
4.3 EXHAUST GAS CLEANING DEVICE (DOC) .......................................................................................4-6
4.3.1 ABOUT EXHAUST GAS CLEANING DEVICE ...............................................................................4-6
4.3.2 ABOUT AUTOMATIC REGENERATION .......................................................................................4-6
4.3.3 ABOUT MANUAL REGENERATION.............................................................................................4-7
4.3.4 INSPECTION AND MAINTENANCE.............................................................................................4-8
4.3.5 PRECAUTIONS OF USING EXHAUST GAS CLEANING DEVICE .................................................4-9
4.4 SCR SYSTEM AND DEF/ADBLUE...................................................................................................4-10
4.4.1 SCR.........................................................................................................................................4-10
4.4.2 DEF/AdBlue..............................................................................................................................4-10
4.4.3 DEF/AdBlue CIRCUIT AND BATTERY........................................................................................ 4-10
4.4.4 STORING DEF/ADBLUE ...........................................................................................................4-10
4.4.5 PURCHASING DEF/ADBLUE ....................................................................................................4-10
4.4.6 LOW DEF/ADBLUE LEVEL ....................................................................................................... 4-11
4.4.7 QUALITY PROBLEMS OF DEF/ADBLUE ................................................................................... 4-11
4.4.8 DRAINING DEF/ADBLUE..........................................................................................................4-12
4.4.9 FAILURE OF EXHAUST GAS CLEANING DEVICE .....................................................................4-13
4.4.10 EMERGENCY EVACUATION MODE........................................................................................4-14
4.4.11 SCR INSPECTION AND MAINTENANCE .................................................................................4-14
4.5 LUBRICANT, FUEL & COOLANT SPECIFICATIONS .........................................................................4-15
4.6 ABOUT USE OF BIO-OIL (BIODEGRADABLE HYDRAULIC OIL)....................................................... 4-17
4.6.1 GREASE AND OIL FOR USE ....................................................................................................4-17
4.6.2 PRECAUTIONS FOR BIO-OIL ...................................................................................................4-17
4.6.3 REPLACEMENT INTERVAL OF BIO-OIL....................................................................................4-17
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

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［CONTENTS］
4.6.4 FLUSHING PROCEDURES OF BIO-OIL ....................................................................................4-17
4.7 MAINTENANCE PARTS ..................................................................................................................4-18
4.8 TIGHTENING TORQUES FOR BOLTS & NUTS (SPECIFIC POSITIONS) ..........................................4-19
4.9 TIGHTENING TORQUES FOR BOLTS & NUTS ................................................................................ 4-21
4.10 TIGHTENING TORQUES FOR JOINTS & HYDRAULIC HOSES ......................................................4-23
4.11 INSPECTION AND MAINTENANCE CHART...................................................................................4-25
4.12 MAINTENANCE WHEN REQUIRED...............................................................................................4-30
4.12.1 CHECKING AND REPLACING WIPER BLADES.......................................................................4-30
4.12.2 WASHER FLUID INSPECTION................................................................................................4-30
4.12.3 REPLACING BUCKET.............................................................................................................4-31
4.12.4 REPLACING TOOTH POINT AND SIDE CUTTER.....................................................................4-33
4.12.5 INSPECTION AND ADJUSTMENT OF BUCKET GAP ADJUSTMENT MECHANISM...................4-36
4.12.6 BLEEDING AIR FROM FUEL PIPING.......................................................................................4-37
4.12.7 CLEANING CAB SKYLIGHT ....................................................................................................4-38
4.12.8 RELEASING INTERNAL PRESSURE IN HYDRAULIC SYSTEM................................................4-39
4.12.9 GREASING ATTACHMENT/EQUIPMENT................................................................................. 4-40
4.13 8 HOUR (DAILY) INSPECTION & MAINTENANCE PROCEDURES..................................................4-41
4.13.1 GREASING ATTACHMENT .....................................................................................................4-41
4.14 50 HOUR INSPECTION & MAINTENANCE PROCEDURES ............................................................4-43
4.14.1 INSPECTING AND MAINTAINING BATTERY............................................................................4-43
4.14.2 DRAINING WATER AND SEDIMENT IN FUEL TANK.................................................................4-45
4.14.3 ADJUSTING CRAWLER TENSION ..........................................................................................4-47
4.15 120 HOUR INSPECTION & MAINTENANCE PROCEDURES ..........................................................4-49
4.15.1 CHECKING ENGINE OIL LEVEL OF SWING REDUCTION UNIT...............................................4-49
4.15.2 CHECKING OIL LEVEL OF TRAVEL REDUCTION UNIT...........................................................4-50
4.16 250 HOUR (3-MONTH) INSPECTION & MAINTENANCE PROCEDURES ........................................4-51
4.16.1 ADJUSTING FAN BELT AND AIR CONDITIONING COMPRESSOR BELT..................................4-51
4.16.2 CHECKING INTAKE SYSTEM RUBBER HOSE ........................................................................4-55
4.16.3 CHECKING RADIATOR HOSES ..............................................................................................4-56
4.16.4 CLEANING OR REPLACING AIR CONDITIONER FILTERS ......................................................4-58
4.16.5 INSPECTING, CLEANING, OR REPLACING AIR CLEANER ELEMENT.....................................4-60
4.16.6 CLEANING OR REPLACING RADIATOR CAP..........................................................................4-62
4.16.7 INSPECTING SCR SYSTEM ...................................................................................................4-62
4.16.8 CLEANING RADIATOR, OIL COOLER CORE AND FILTER .......................................................4-63
4.17 500 HOUR (6-MONTH) INSPECTION & MAINTENANCE PROCEDURES ........................................4-65
4.17.1 REPLACING ENGINE OIL AND ENGINE OIL FILTER ...............................................................4-65
4.17.2 REPLACING FUEL PRE-FILTER .............................................................................................4-68
4.17.3 REPLACING FUEL FILTER .....................................................................................................4-70
4.17.4 GREASING SWING BEARING.................................................................................................4-71
4.17.5 CHECKING SWING BEARING MOUNTING BOLT FOR LOOSENESS .......................................4-71
4.17.6 CLEANING FUEL TANK CAP AND STRAINER .........................................................................4-72
4.17.7 LUBRICATING PUSH ROD OF CONTROL LEVER ...................................................................4-73
4.17.8 CHECKING AIR CONDITIONER REFRIGERANT ..................................................................... 4-74
4.17.9 CLEANING OR REPLACING ELECTROMAGNETIC FUEL PUMP .............................................4-76
4.18 1000 HOUR (12-MONTH) INSPECTION & MAINTENANCE PROCEDURES ....................................4-78
4.18.1 REPLACING RETURN FILTER ................................................................................................4-78
4.18.2 REPLACING AIR BREATHER ELEMENT .................................................................................4-80
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

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［CONTENTS］
4.18.3 CHECKING ENGINE MOUNTING BRACKET FOR TIGHTENING CONDITION...........................4-81
4.18.4 CHECKING BATTERY VOLTAGE.............................................................................................4-82
4.19 2000 HOUR INSPECTION & MAINTENANCE PROCEDURES ........................................................4-83
4.19.1 REPLACING COOLANT..........................................................................................................4-83
4.19.2 REPLACING OIL IN SWING REDUCTION UNIT ....................................................................... 4-85
4.19.3 REPLACING OIL IN TRAVEL REDUCTION UNITS ...................................................................4-86
4.19.4 CLEANING SUCTION STRAINER............................................................................................4-87
4.19.5 GREASING SWING REDUCTION UNIT ...................................................................................4-89
4.19.6 CHECKING GREASE IN SWING GREASE BATH ..................................................................... 4-90
4.19.7 CLEANING PILOT LINE FILTER ..............................................................................................4-91
4.20 5000 HOUR INSPECTION & MAINTENANCE PROCEDURES ........................................................4-92
4.20.1 REPLACING HYDRAULIC OIL.................................................................................................4-92
4.20.2 REPLACING DEF/ADBLUE SUPPLY MODULE FILTER ............................................................4-95
5. TRANSPORTATION
5.1 TRANSPORTATION..........................................................................................................................5-3
5.1.1 STRICTLY OBSERVE TRANSPORTATION RELATED REGULATIONS..........................................5-3
5.2 LOADING/UNLOADING THE MACHINE.............................................................................................5-5
5.2.1 LOADING ...................................................................................................................................5-6
5.2.2 FIXING THE MACHINE ...............................................................................................................5-8
5.2.3 UNLOADING ..............................................................................................................................5-9
5.3 MACHINE LIFTING .........................................................................................................................5-10
5.3.1 LIFTING PROCEDURES........................................................................................................... 5-11
5.4 INSTALLING AND REMOVING MIRROR..........................................................................................5-12
5.5 TOWING THE MACHINE.................................................................................................................5-13
5.5.1 TOWING METHOD OF THE MACHINE......................................................................................5-13
6. SPECIFICATION
6.1 GENERAL SPECIFICATIONS............................................................................................................6-3
6.1.1 SK135SR-7, SK140SRLC-7.........................................................................................................6-3
6.1.2 SK135SR-7, SK140SRLC-7 (WITH DOZER).................................................................................6-5
6.1.3 SK140SRL-7...............................................................................................................................6-6
6.2 SHOE TYPES AND USES .................................................................................................................6-7
6.2.1 SK135SR-7 ................................................................................................................................6-7
6.2.2 SK135SR-7 (WITH DOZER) ........................................................................................................6-8
6.2.3 SK140SRLC-7 ............................................................................................................................6-8
6.2.4 SK140SRLC-7 (WITH DOZER) ....................................................................................................6-9
6.2.5 SK140SRL-7...............................................................................................................................6-9
6.3 WORKING RANGES.......................................................................................................................6-10
6.3.1 BACKHOE ATTACHMENT (SK140SRLC-7)................................................................................6-10
6.3.2 BACKHOE ATTACHMENT (SK140SRL-7) .................................................................................. 6-12
6.4 ATTACHMENT TYPE AND COMBINATION ...................................................................................... 6-13
6.4.1 FRONT VARIATION ..................................................................................................................6-13
7. MACHINE OPERATION MANAGEMENT SYSTEM
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

8
［CONTENTS］
7.1 MACHINE OPERATION MANAGEMENT SYSTEM .............................................................................7-3
7.2 REMOTE DOWNLOAD SYSTEM.......................................................................................................7-4
8. OPTIONAL EQUIPMENT
8.1 OPERATION OF HYDRAULIC NIBBLER (CRUSHER) AND BREAKER ................................................8-3
8.1.1 SELECTION OF NIBBLER (CRUSHER) AND BREAKER ..............................................................8-3
8.1.2 INSTALLATION OF NIBBLER (CRUSHER) OR BREAKER ............................................................8-3
8.1.3 POTENTIAL HAZARDS WHEN OPERATING ...............................................................................8-3
8.1.4 PRECAUTIONS IN USE OF BREAKER........................................................................................8-5
8.1.5 PRECAUTIONS IN USE OF NIBBLER (CRUSHER) ....................................................................8-10
8.2 SELECTION OF ATTACHMENT MODE AND SELECTOR VALVE ......................................................8-15
8.2.1 SWITCHING ATTACHMENT MODE...........................................................................................8-15
8.2.2 SWITCHING SELECTOR VALVE ...............................................................................................8-17
8.3 SWITCHING STOP VALVE ..............................................................................................................8-18
8.4 FLOW RATE ADJUSTMENT............................................................................................................8-19
8.5 CONTROL OF PROPORTIONAL HAND CONTROL..........................................................................8-20
8.5.1 EXTRA / ROTARY HAND CONTROL .........................................................................................8-20
8.5.2 HORN SWITCH ........................................................................................................................8-21
8.5.3 NIBBLER (CRUSHER) OPERATION..........................................................................................8-21
8.5.4 BREAKER OPERATION............................................................................................................8-22
8.6 PERIODIC INSPECTION AND MAINTENANCE OF NIBBLER (CRUSHER) AND BREAKER ...............8-23
8.6.1 PERIODIC INSPECTION AND MAINTENANCE CHART OF NIBBLER (CRUSHER) AND
BREAKER .....................................................................................................................................8-23
8.7 PRECAUTIONS FROM BREAKER MANUFACTURERS....................................................................8-24
8.8 MULTI-CONTROL VALVE ................................................................................................................8-25
8.9 QUICK HITCH.................................................................................................................................8-27
8.9.1 QUICK HITCH OPERATION SWITCH ........................................................................................8-27
8.9.2 PROHIBITED WORKS ..............................................................................................................8-28
8.9.3 PRECAUTIONS FOR USE ........................................................................................................8-29
8.9.4 REMOVING FRONT ATTACHMENT...........................................................................................8-30
8.9.5 INSTALLING FRONT ATTACHMENT..........................................................................................8-31
8.9.6 MANUAL SWITCHING OF PRESSURE REDUCING VALVE FOR QUICK HITCH..........................8-32
8.10 HANDLING OF OPERATOR'S SEAT (MECHANICAL SUSPENSION SEAT) .....................................8-33
8.10.1 HEIGHT AND TILT ADJUSTMENT ...........................................................................................8-33
8.10.2 RECLINING ADJUSTMENT.....................................................................................................8-33
8.10.3 FRONT/REAR SEAT ADJUSTMENT ........................................................................................8-33
8.10.4 FORWARD AND REARWARD ADJUSTMENT OF CONTROL STAND .......................................8-34
8.10.5 ARM REST ADJUSTMENT ......................................................................................................8-34
8.10.6 HEAD REST ADJUSTMENT ....................................................................................................8-34
8.10.7 SUSPENSION ADJUSTMENT .................................................................................................8-34
8.11 FLOATING DOZER........................................................................................................................8-35
9. SPECIAL PROCEDURES
9.1 SPECIAL PROCEDURES AT ENGINE FAILURE ................................................................................9-3
9.2 LOWERING ATTACHMENT TO GROUND..........................................................................................9-4
9.3 RELEASING TRAVEL MOTOR BRAKES............................................................................................9-6
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

9
［CONTENTS］
9.4 RELEASING SWING BRAKES...........................................................................................................9-9
9.4.1 SWING BRAKE RELEASE PROCEDURE WITH HYDRAULIC HAND PUMP ..................................9-9
9.4.2 RELEASING SWING BRAKE BY DISASSEMBLY .......................................................................9-12
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

10
［CONTENTS］
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-1
［IMPORTANT INFORMATION］
IMPORTANT INFORMATION
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-2
［IMPORTANT INFORMATION］
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-3
［IMPORTANT INFORMATION］
PREFACE
• Read, understand and follow the safety messages and instructions in this manual and the safety messages on
the machine. If these safety messages are not followed, serious injury or death could occur.
• Always be aware of your surroundings when operating this machine and understand the capabilities of this
machine and the attachment/equipment.
• Always use caution to safely operate this machine.
Use of this product and this manual
• Improper operation, maintenance or repair of this machine may cause serious injury, death or damage to the
machine.
• If a license or other special qualification is required to operate a hydraulic excavator in the country where this
machine will be operated, all operators of this machine must meet those requirements and have a valid (not
expired) license or qualification.
• Do not operate this machine for the first time or perform any inspection, maintenance or repair on this machine,
until you have carefully read and understand the operation, inspection, maintenance, and repair information in
this manual.
– Operation related activities include setting up, rectifying malfunctions and the disposal of materials.
– Maintenance related activities include lubrication, maintenance, inspection and repair work.
– Transportation related activities include loading and unloading the machine.
• For machines equipped with KOBELCO approved attachments, read the section related to the specialized
attachments in this manual and any additional manuals for the specialized attachment. Use of the unapproved
attachment/equipment voids KOBELCO’s liability for the machine.
• If this manual is lost, damaged or unreadable, order a replacement from your KOBELCO authorized dealer.
• This manual is a part of this machine and should be transferred with the machine to new users or owners.
• Always use genuine KOBELCO parts. Do not use aftermarket or non-KOBELCO parts on your machine.
• Manufacturers cannot anticipate every possible scenario and potential hazard that may arise during operation,
inspection and maintenance activities. Therefore, the warnings in this manual and on the product may not
communicate all of the possible safety precautions for your situation. When performing any operation, inspection
and maintenance activities that are not contained in this manual, proceed at your own risk and do not perform
any unsafe acts. You should also ensure the machine will not be damaged or create an unsafe condition by your
actions. Always follow the safety procedures in this manual and for your worksite. Never perform any task or
operation prohibited by this manual.
• If a tool, procedure, work method or operating technique not specifically recommended by KOBELCO is used,
you must evaluate that it is safe for yourself and others to proceed. You should also ensure the machine will not
be damaged or create an unsafe condition by the operation, maintenance and/or repair procedures you choose.
Never perform any task or operation prohibited by this manual.
• The information, specification, and illustrations in this manual are based on information available at the time it
was written. KOBELCO may change the specifications, torques, pressures, measurements, adjustments,
illustrations, and other content at anytime without any obligation to notify the users/owners of these changes.
Your KOBELCO authorized dealer will have the most current information available.
• Should there be questions, errors, omissions or other issues that need to be communicated to the manufacturer,
contact your KOBELCO authorized dealer.
• KOBELCO provides machines produced in accordance with regulations and standards of a country in which the
machine is sold to the first owner. If you have a machine purchased in a foreign country or from a person or
company in another country, your machine may lack safety devices or machine components or not meet a safety
standard required in your country. Please contact your KOBELCO authorized dealer to ask whether your
machine's specifications meet the regulations and the standards in your country.
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-4
［IMPORTANT INFORMATION］
The copyright of this manual belongs to KOBELCO CONSTRUCTION MACHINERY CO., LTD. Copy, reproduction,
distribution, and delivery (including these actions on the Internet) of all or part of this manual are prohibited without permission
of KOBELCO CONSTRUCTION MACHINERY CO., LTD.
STORE OPERATION & MAINTENANCE MANUALS ON THE MACHINE
Always store all manuals for this machine and any
attachments, including this manual and the related
manuals, in the pocket located at the rear side of the
operator's seat. Check the manuals are in this location
as a part of your pre-start inspection. If the manuals are
not present during your pre-start inspection, inform your
supervisor and order replacement manuals from your
KOBELCO authorized dealer.
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-5
［IMPORTANT INFORMATION］
SAFETY INFORMATION IN MESSAGES OR LABELS IN THIS
MANUAL AND ON THE MACHINE
Many accidents are the result of not following basic safety precautions and could have been avoided by
recognizing potentially hazardous situations.
Proper risk assessment can prevent many accidents from occurring. During operation, always pay attention to the
potential hazards near the machine and at your worksite.
• Improper operation, inspection, maintenance and repair could cause serious injury, death or property damage.
Before operating, inspecting and maintaining this machine, carefully read and understand this manual, the
related manuals, and any attachment manuals that may be provided to you.
• Only allow trained and experienced personnel to operate, to inspect and to maintain this machine. These
individuals must also comply with all applicable employment, industry, and governmental rules, standards, and
regulations.
Many safety messages in this manual or on the labels on this machine contain signal words. Signal words are used
to identify safety messages and property damage messages and designate a level of hazard seriousness. Many of
these safety messages may also contain avoidance information.
This safety alert symbol identifies important safety messages in this manual. When you
see this symbol, be alert, your safety is involved, carefully read the message that follows,
and inform other operators.
The three signal words are DANGER, WARNING and CAUTION. Each alerts the viewer to the existence and
relative seriousness of a hazard. They are reserved for personal injury hazards.
Safety signs identified by DANGER shall be used sparingly and only for those situations presenting the most
serious hazards. Hazards identified by WARNING present a lesser degree of risk of injury or death than those
identified by DANGER.
DANGER indicates a hazard with a high level of risk which, if not avoided, will result in death or
serious injury.
WARNING indicates a hazard with a medium level of risk which, if not avoided, could result in
death or serious injury.
CAUTION indicates a hazard with a low level of risk which, if not avoided, could result in minor or
moderate injury.
Other than the above-mentioned signal words, the following words identify important information which must be
kept for the protection of the machine and may be helpful for the operator.
Notice indicates information considered important, but not hazard related .
(e.g., messages related to property damage)
Note indicates information that may be helpful for the operator.
SAFETY LABELS
Safety labels are affixed to machine to alert the operator and surrounding personnel of hazardous situations during
operation, inspection or maintenance.
There are two types of "safety labels" on this machine. One is "SAFETY LABEL INCLUDING SIGNAL WORDS"
and the other is "PICTORIAL ONLY SAFETY LABELS".
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-6
［IMPORTANT INFORMATION］
Example of the safety label including signal words
WA R N I N G
Example of a pictorial only safety label
ZL11M02708
The pictorial only safety label is used to alert the
operator and surrounding personnel of potentially
hazardous situations.
For pictorial only safety label, the hazard pictorial is in
the upper or left box, and the avoidance information is in
the lower or right box.
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-7
［IMPORTANT INFORMATION］
SUMMARY OF THE MACHINE
APPLICABLE WORKS
Use this machine in the following applications:
• Digging
• Trenching
• Loading
• Leveling
• Demolishing
• Breaker work
Never use the machine for any purpose other than the above applications.
If you use the attachment which KOBELCO did not supply, read, understand and follow the safety messages and
instructions in the applicable manual described by the attachment manufacturer.
For details of work procedures, please refer to "MACHINE OPERATION" in Chapter 3 and "OPTIONAL
EQUIPMENT" in Chapter 8.
FRONT, REAR, RIGHT & LEFT OF THE MACHINE
Operator ’s
seat
Track idler wheel
Right-hand
side
Travel moter
Sprockets
Left-hand
side
Rear
Front
This manual refers to the front, rear, right & left of this
machine as seen when sitting in the operator's seat with
the machine in the normal travel position. The normal
travel position is when the idler wheels are positioned at
the front under the cab and the drive sprockets are
positioned at the rear.
BREAK-IN OPERATION
Prior to shipment, this machine was inspected and adjusted by KOBELCO. Future performance and service life of
this machine depends on how the machine is operated during the break-in period.
Hour Meter Load Status
Less than 10 hours About 60%
Less than 100 hours About 80%
100 hours and more Full load
During the break-in period
• Always sufficiently warm-up the engine and the hydraulic oil.
• Do not operate with loads that exceed the recommended load status for each phase shown in the table or
operate at high speeds.
• Do not perform a sudden start, sudden acceleration, or other sudden changes in engine speed.
• Avoid unnecessary sudden stops or sudden changes in driving direction.
• Do not operate the engine at high speed for extended periods of time.
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]

0-8
［IMPORTANT INFORMATION］
QUALIFICATION FOR OPERATING THE MACHINE
If a license or other special qualification is required to operate a hydraulic excavator in the country where this
machine will be operated, all operators of this machine must meet those requirements and have a valid (not
expired) license or qualification.
Instruct that only skilled trained operators may operate the machine. The operator shall:
• Receive training in the proper operation of this machine;
• Understand the capabilities and limitations of this machine;
• Become familiar with the construction of this machine;
• Confirm that the machine is properly maintained and is in good condition;
Read and properly understand the warnings, instructions, and operating procedures in this manual.
Copyright©2020 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2YY00041ZE03] [0701CsCshWbYs]