Kobelco Sk55srx-7 User manual

Book Code No.

S2PS00041ZE02

APPLICABLE No.

READ, UNDERSTAND AND FOLLOW ALL SAFETY

PRECAUTIONS AND INSTRUCTIONS FOUND IN THIS

MANUAL BEFORE OPERATING THE MACHINE.

Destination : ANZ

2022.03

SK55SRX-7 PS05060001~

［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 ..................................................................................................................................0-6

SUMMARY OF THE MACHINE..................................................................................................................0-7

QUALIFICATION FOR OPERATING THE MACHINE ...................................................................................0-9

CAB WITH ROPS (ROLL-OVER PROTECTIVE STRUCTURE)/FALLING OBJECTS PROTECTIVE

STRUCTURE.....................................................................................................................................0-10

ORDERING PARTS AND SERVICE ......................................................................................................... 0-11

WARRANTY ...........................................................................................................................................0-12

IMPORTANT NOTIFICATION...................................................................................................................0-13

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.......................................................................................................................1-23

1.3.1 BE AWARE OF YOUR SURROUNDINGS...................................................................................1-23

1.3.2 VISIBILITY MAP .......................................................................................................................1-24

1.4 PRECAUTIONS FOR OPERATION..................................................................................................1-26

1.4.1 STARTING ...............................................................................................................................1-26

1.4.2 TRAVELING .............................................................................................................................1-30

1.4.3 PROHIBITED OPERATIONS .....................................................................................................1-33

1.4.4 SAFETY CHECK ON THE PARKING MACHINE .........................................................................1-38

1.5 AT THE END OF EACH SHIFT.........................................................................................................1-40

1.6 PRECAUTIONS OF INSPECTION & MAINTENANCE .......................................................................1-41

1.6.1 PERIODIC INSPECTIONS ........................................................................................................1-41

1.6.2 BEFORE INSPECTION & MAINTENANCE ................................................................................. 1-42

1.6.3 DURING INSPECTION & MAINTENANCE .................................................................................1-43

1.6.4 CAUTION WHEN WELDING......................................................................................................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

［CONTENTS］

2. MACHINE FAMILIARIZATION

2.1 BASIC COMPONENTS OF THE MACHINE ........................................................................................2-3

2.2 OPERATOR'S STATION NOMENCLATURE .......................................................................................2-5

2.3 COLOR MULTI-DISPLAY...................................................................................................................2-6

2.3.1 ENGINE COOLANT TEMPERATURE METER ..............................................................................2-6

2.3.2 FUEL LEVEL METER..................................................................................................................2-7

2.3.3 USER MENU ..............................................................................................................................2-7

2.3.4 WORK MODE SELECT SWITCH ...............................................................................................2-15

2.3.5 AUTO DECELERATION SWITCH ..............................................................................................2-16

2.3.6 BUZZER STOP SWITCH...........................................................................................................2-17

2.3.7 WARNING DISPLAY SCREEN...................................................................................................2-19

2.4 HANDLING OF SWITCHES AND METERS ......................................................................................2-21

2.4.1 STARTER SWITCH...................................................................................................................2-21

2.4.2 ENGINE THROTTLE.................................................................................................................2-21

2.4.3 HORN SWITCH ........................................................................................................................2-22

2.4.4 TRAVEL SPEED SELECT SWITCH ...........................................................................................2-22

2.4.5 HOUR METER..........................................................................................................................2-23

2.4.6 WORKING LIGHT .....................................................................................................................2-23

2.4.7 DPF MANUAL REGENERATION SWITCH .................................................................................2-23

2.4.8 12 V POWER SUPPLY ..............................................................................................................2-24

2.4.9 WIPER SWITCH (CAB SPEC.) ..................................................................................................2-24

2.5 HANDLING OF LEVERS AND PEDALS............................................................................................2-25

2.5.1 LOCATION OF LEVERS AND PEDALS ......................................................................................2-25

2.5.2 CONTROL LOCK LEVER ..........................................................................................................2-26

2.5.3 OPERATOR CONTROL LEVERS ..............................................................................................2-27

2.5.4 TRAVEL LEVER .......................................................................................................................2-28

2.5.5 DOZER OPERATION LEVER ....................................................................................................2-28

2.5.6 BOOM SWING FOOT PEDAL....................................................................................................2-29

2.6 HANDLING OF FUSE BOX..............................................................................................................2-30

2.6.1 ABOUT FUSE BOX...................................................................................................................2-30

2.6.2 REPLACING FUSES.................................................................................................................2-30

2.6.3 FUSE CAPACITY AND CIRCUIT NAME ..................................................................................... 2-31

2.7 HANDLING OF FUSIBLE LINK (FOR STARTER) ..............................................................................2-32

2.7.1 FUSIBLE LINK INSPECTION/REPLACEMENT...........................................................................2-32

2.8 CONTROLLER ...............................................................................................................................2-33

2.9 HANDLING OF SEAT BELT .............................................................................................................2-34

2.9.1 HOW TO FASTEN SEAT BELT ..................................................................................................2-34

2.9.2 HOW TO UNFASTEN SEAT BELT..............................................................................................2-34

2.9.3 SEAT BELT REMINDER ............................................................................................................2-34

2.10 HANDLING OF OPERATOR'S SEAT ..............................................................................................2-35

2.10.1 WEIGHT ADJUSTMENT..........................................................................................................2-35

2.10.2 FORE/AFT ADJUSTMENT.......................................................................................................2-35

2.10.3 HEIGHT ADJUSTMENT OF WRIST REST................................................................................2-36

2.11 HANDLING PARTS INSIDE CAB....................................................................................................2-37

2.11.1 CAB DOOR LOCK...................................................................................................................2-37

2.11.2 OPENING DOOR FROM INSIDE OF CAB ................................................................................2-37

［CONTENTS］

2.11.3 OPENING/CLOSING FRONT WINDOW (UPPER).....................................................................2-38

2.11.4 REMOVING FRONT WINDOW (LOWER) ................................................................................. 2-39

2.11.5 OPENING/CLOSING WINDOW ON RIGHT SIDE ......................................................................2-39

2.11.6 ROOM LAMP ..........................................................................................................................2-40

2.12 EMERGENCY ESCAPE FROM OPERATOR'S STATION .................................................................2-41

2.13 OTHER ACCESSORIES................................................................................................................2-42

2.13.1 TOOLS...................................................................................................................................2-42

2.13.2 GREASE GUN HOLDER .........................................................................................................2-42

2.13.3 GUARD/SIDE DOOR (WITH LOCK) .........................................................................................2-42

2.14 ADJUSTING MIRROR ...................................................................................................................2-44

3. MACHINE OPERATION

3.1 DAILY MAINTENANCE CHECKS.......................................................................................................3-3

3.1.1 LOCK LEVER .............................................................................................................................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 CHECKING FUEL LEAKAGE.......................................................................................................3-9

3.2.5 DRAINING WATER SEPARATOR ................................................................................................3-9

3.2.6 CHECKING OIL LEVEL OF HYDRAULIC OIL TANK ....................................................................3-10

3.2.7 CHECKING FAN BELT .............................................................................................................. 3-11

3.2.8 CHECKING RADIATOR, OIL COOLER AND FILTER...................................................................3-12

3.2.9 ADJUSTMENT OF OPERATOR'S SEAT.....................................................................................3-12

3.2.10 CHECKING MULTI-DISPLAY ...................................................................................................3-13

3.2.11 CHECKING WORKING LIGHT .................................................................................................3-13

3.2.12 CHECKING OF AIR CLEANER INLET ...................................................................................... 3-13

3.3 STARTING ENGINE........................................................................................................................3-14

3.3.1 START-UP UNDER NORMAL TEMPERATURE CONDITIONS.....................................................3-14

3.3.2 START UP IN COLD CONDITIONS............................................................................................3-15

3.3.3 USING JUMPER CABLES.........................................................................................................3-16

3.4 STOPPING MACHINE ENGINE .......................................................................................................3-18

3.5 CHECK AFTER STARTING ENGINE................................................................................................3-19

3.5.1 CHECK OF PILOT CONTROL LOCK LEVER..............................................................................3-19

3.5.2 CHECK OF ENGINE AND MULTI-DISPLAY OPERATION............................................................3-19

3.6 WARMING-UP ................................................................................................................................3-20

3.6.1 ENGINE WARMING-UP ............................................................................................................3-20

3.6.2 WARMING-UP HYDRAULIC OIL................................................................................................3-21

3.7 WORK MODE SELECT SWITCH .....................................................................................................3-22

3.8 MACHINE OPERATION ..................................................................................................................3-23

3.8.1 PRECAUTIONS OF MACHINE OPERATION ..............................................................................3-23

3.8.2 TRAVEL PROCEDURES...........................................................................................................3-24

3.8.3 TRAVEL SPEED SELECT SWITCH ...........................................................................................3-26

3.8.4 MACHINE OPERATION IN WATER OR ON SOFT GROUND.......................................................3-27

3.8.5 GETTING OUT OF SOFT GROUND ..........................................................................................3-28

3.8.6 SWING AND ATTACHMENT/EQUIPMENT OPERATIONS........................................................... 3-29

［CONTENTS］

3.9 WORK PROCEDURES OF MACHINE..............................................................................................3-31

3.9.1 DIGGING WORK ......................................................................................................................3-31

3.9.2 LOADING WORK......................................................................................................................3-31

3.9.3 GROUND LEVELING WORK.....................................................................................................3-32

3.9.4 SIDE DITCH DIGGING WORK...................................................................................................3-32

3.9.5 WORK IN NARROW PLACE......................................................................................................3-33

3.10 ALWAYS PARK MACHINE PROPERLY ..........................................................................................3-34

3.10.1 PARKING MACHINE ON SLOPE .............................................................................................3-34

3.11 HANDLING OF RUBBER CRAWLER SHOES .................................................................................3-35

3.11.1 WARRANTY ON RUBBER CRAWLER SHOES ......................................................................... 3-35

3.11.2 PROHIBITIONS ON USE OF RUBBER CRAWLER SHOES.......................................................3-35

3.11.3 PRECAUTIONS FOR USE OF RUBBER CRAWLER SHOES.....................................................3-37

3.12 INSPECTION AND CHECK AFTER OPERATION............................................................................3-39

3.13 MACHINE OPERATION IN ADVERSE CONDITIONS ......................................................................3-40

3.13.1 OPERATION IN COLD CONDITION.........................................................................................3-40

3.13.2 OPERATION AT SEASHORE...................................................................................................3-41

3.13.3 OPERATION IN SANDY AND DUSTY AREAS...........................................................................3-41

3.14 PRECAUTIONS FOR LONG-TERM STORAGE ..............................................................................3-42

3.14.1 WASHING MACHINE ..............................................................................................................3-42

3.14.2 REFILLING OIL/GREASING ....................................................................................................3-42

3.14.3 BATTERY ...............................................................................................................................3-42

3.14.4 COOLANT ..............................................................................................................................3-42

3.14.5 PREVENTION OF DUST AND MOISTURE ...............................................................................3-43

3.14.6 PERIODICAL LUBRICATING OPERATION (DURING STORAGE) .............................................3-43

3.14.7 TREATMENT AFTER LONG-TERM STORAGE.........................................................................3-43

4. INSPECTION AND MAINTENANCE

4.1 GENERAL ........................................................................................................................................4-3

4.2 INSPECTING AND MAINTAINING 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 LOCK LEVER .............................................................................................................................4-5

4.2.4 GREASING TABLE LABEL ..........................................................................................................4-6

4.3 DIESEL PARTICULATE FILTER (DPF) ...............................................................................................4-7

4.3.1 ABOUT DPF ...............................................................................................................................4-7

4.3.2 ABOUT AUTOMATIC REGENERATION .......................................................................................4-8

4.3.3 ABOUT MANUAL REGENERATION.............................................................................................4-9

4.3.4 INSPECTION AND MAINTENANCE...........................................................................................4-10

4.3.5 PRECAUTIONS OF USING DPF................................................................................................4-10

4.4 FAILURE OF NOx CONTROL SYSTEM............................................................................................ 4-11

4.4.1 EMERGENCY EVACUATION MODE..........................................................................................4-13

4.5 LUBRICANT, FUEL & COOLANT SPECIFICATIONS .........................................................................4-14

4.6 ABOUT USE OF BIO-OIL (BIODEGRADABLE HYDRAULIC OIL)....................................................... 4-16

4.6.1 GREASE AND OIL FOR USE ....................................................................................................4-16

4.6.2 PRECAUTIONS FOR BIO-OIL ...................................................................................................4-16

4.6.3 REPLACEMENT INTERVAL OF BIO-OIL....................................................................................4-16

［CONTENTS］

4.6.4 FLUSHING PROCEDURES OF BIO-OIL ....................................................................................4-16

4.7 MAINTENANCE PARTS ..................................................................................................................4-17

4.8 ACCESSORY TOOLS .....................................................................................................................4-18

4.9 TIGHTENING TORQUES FOR CAPSCREWS AND NUTS ................................................................4-19

4.10 TIGHTENING TORQUES FOR JOINTS & HYDRAULIC HOSES ......................................................4-21

4.11 INSPECTION AND MAINTENANCE CHART...................................................................................4-23

4.12 MAINTENANCE WHEN REQUIRED...............................................................................................4-27

4.12.1 CHECKING AND REPLACING WIPER BLADES.......................................................................4-27

4.12.2 WASHER FLUID INSPECTION................................................................................................4-27

4.12.3 BLEEDING AIR FROM FUEL PIPING.......................................................................................4-28

4.12.4 CHECKING RUBBER CRAWLER SHOES ................................................................................4-29

4.12.5 REPLACING RUBBER CRAWLER SHOES .............................................................................. 4-31

4.12.6 REPLACING BUCKET.............................................................................................................4-33

4.12.7 REPLACING TOOTH POINT AND SIDE CUTTER.....................................................................4-35

4.13 8 HOUR (DAILY) INSPECTION & MAINTENANCE PROCEDURES..................................................4-38

4.13.1 GREASING ATTACHMENT/EQUIPMENT................................................................................. 4-38

4.14 50 HOUR INSPECTION & MAINTENANCE PROCEDURES ............................................................4-40

4.14.1 DRAINING WATER AND SEDIMENT IN FUEL TANK.................................................................4-40

4.14.2 ADJUSTING CRAWLER TENSION ..........................................................................................4-41

4.14.3 GREASING SWING PINION ....................................................................................................4-44

4.15 100 HOUR INSPECTION & MAINTENANCE PROCEDURES ..........................................................4-45

4.15.1 CHECKING OIL LEVEL OF TRAVEL REDUCTION UNIT...........................................................4-45

4.15.2 CHECKING INTAKE SYSTEM RUBBER HOSE ........................................................................4-46

4.16 250 HOUR (3-MONTH) INSPECTION & MAINTENANCE PROCEDURES ........................................4-47

4.16.1 ADJUSTING FAN BELT ...........................................................................................................4-47

4.16.2 CHECKING RADIATOR HOSES ..............................................................................................4-48

4.16.3 INSPECTING, CLEANING, OR REPLACING AIR CLEANER ELEMENT.....................................4-50

4.16.4 CLEANING OR REPLACING RADIATOR CAP..........................................................................4-52

4.16.5 CLEANING RADIATOR, OIL COOLER CORE AND FILTER .......................................................4-53

4.16.6 GREASING DOZER ................................................................................................................4-54

4.16.7 GREASING SWING BEARING.................................................................................................4-54

4.16.8 INSPECTING AND MAINTAINING BATTERY............................................................................4-55

4.17 500 HOUR (6-MONTH) INSPECTION & MAINTENANCE PROCEDURES ........................................4-57

4.17.1 REPLACING ENGINE OIL AND ENGINE OIL FILTER ...............................................................4-57

4.17.2 REPLACING WATER SEPARATOR .........................................................................................4-59

4.17.3 REPLACING FUEL FILTER .....................................................................................................4-60

4.17.4 CHECKING SWING BEARING MOUNTING BOLT FOR LOOSENESS .......................................4-61

4.17.5 CLEANING FUEL TANK CAP AND STRAINER .........................................................................4-61

4.17.6 LUBRICATING PUSH ROD OF CONTROL LEVER ...................................................................4-62

4.18 1000 HOUR (12-MONTH) INSPECTION & MAINTENANCE PROCEDURES ....................................4-63

4.18.1 REPLACING RETURN FILTER ................................................................................................4-63

4.18.2 REPLACING AIR BREATHER ELEMENT .................................................................................4-65

4.18.3 CHECKING ENGINE MOUNTING BRACKET FOR TIGHTENING CONDITION...........................4-66

4.18.4 CHECKING BATTERY VOLTAGE.............................................................................................4-67

4.19 2000 HOUR INSPECTION & MAINTENANCE PROCEDURES ........................................................4-68

4.19.1 REPLACING COOLANT..........................................................................................................4-68

4.19.2 REPLACING OIL IN TRAVEL REDUCTION UNITS ...................................................................4-70

［CONTENTS］

4.19.3 CLEANING PILOT LINE FILTER ..............................................................................................4-71

4.20 5000 HOUR INSPECTION & MAINTENANCE PROCEDURES ........................................................4-72

4.20.1 REPLACING HYDRAULIC OIL AND CLEANING SUCTION STRAINER .....................................4-72

4.21 MAINTENANCE OF MACHINES OPERATED UNDER SEVERE CONDITIONS ................................4-75

4.21.1 RECOMMENDED MAINTENANCE FOR MACHINES OPERATED UNDER SEVERE

CONDITIONS ................................................................................................................................4-75

4.21.2 STARTING AND STOPPING ENGINE ......................................................................................4-75

4.21.3 HOW TO USE MACHINES ......................................................................................................4-76

5. TRANSPORTATION

5.1 TRANSPORTATION..........................................................................................................................5-3

5.1.1 STRICTLY OBSERVE TRANSPORTATION RELATED LAWS AND REGULATIONS........................5-3

5.2 LOADING/UNLOADING THE MACHINE.............................................................................................5-4

5.2.1 LOADING ...................................................................................................................................5-5

5.2.2 FIXING THE MACHINE ...............................................................................................................5-6

5.3 LIFTING MACHINE ...........................................................................................................................5-7

5.3.1 PREPARATION...........................................................................................................................5-7

5.3.2 SELECTION OF LIFTING TOOLS................................................................................................5-7

5.3.3 INSTALLING LIFTING TOOLS .....................................................................................................5-8

5.3.4 LIFTING MACHINE .....................................................................................................................5-8

5.4 TOWING THE MACHINE...................................................................................................................5-9

5.4.1 TOWING METHOD OF THE MACHINE........................................................................................5-9

6. SPECIFICATION

6.1 GENERAL SPECIFICATIONS............................................................................................................6-3

6.1.1 CANOPY....................................................................................................................................6-3

6.1.2 CAB ...........................................................................................................................................6-5

6.2 WORKING RANGES.........................................................................................................................6-7

6.2.1 BACKHOE ATTACHMENT...........................................................................................................6-7

6.3 BUCKET TYPE .................................................................................................................................6-9

7. OPTIONAL EQUIPMENT

7.1 OPERATION OF HYDRAULIC NIBBLER (CRUSHER) AND BREAKER ................................................7-3

7.1.1 SELECTION OF NIBBLER (CRUSHER) AND BREAKER ..............................................................7-3

7.1.2 INSTALLATION OF NIBBLER (CRUSHER) OR BREAKER ............................................................7-3

7.1.3 POTENTIAL HAZARDS WHEN OPERATING ...............................................................................7-3

7.1.4 PRECAUTIONS IN USE OF BREAKER........................................................................................7-5

7.1.5 PRECAUTIONS IN USE OF NIBBLER (CRUSHER) ......................................................................7-9

7.2 SWITCHING SELECTOR VALVE .....................................................................................................7-14

7.3 FLOW RATE ADJUSTMENT............................................................................................................7-15

7.4 OPERATION...................................................................................................................................7-16

7.4.1 PEDAL LOCK DEVICE..............................................................................................................7-16

7.4.2 PEDAL OPERATIONS FOR HYDRAULIC BREAKER AND NIBBLER (CRUSHER) OPENING/

CLOSING ......................................................................................................................................7-17

7.5 CONTROL OF PROPORTIONAL HAND CONTROL..........................................................................7-18

7.5.1 NIBBLER (CRUSHER) OPERATION..........................................................................................7-18

［CONTENTS］

7.5.2 BREAKER OPERATION............................................................................................................7-19

7.5.3 ROTARY OPERATION ..............................................................................................................7-20

7.6 PERIODIC INSPECTION AND MAINTENANCE OF NIBBLER (CRUSHER) AND BREAKER ...............7-21

7.6.1 PERIODIC INSPECTION AND MAINTENANCE CHART OF NIBBLER (CRUSHER) AND

BREAKER .....................................................................................................................................7-21

7.7 PRECAUTIONS FROM BREAKER MANUFACTURERS....................................................................7-22

7.8 AIR CONDITIONER ........................................................................................................................7-23

7.8.1 GRILLE (AIR OUTLET)..............................................................................................................7-23

7.8.2 AIR CONDITIONER CONTROL PANEL......................................................................................7-24

7.8.3 AIR CONDITIONER OPERATION PANEL...................................................................................7-25

7.8.4 HOW TO USE AIR CONDITIONER ............................................................................................7-27

7.8.5 SELF-DIAGNOSIS FUNCTION IN DISPLAY MONITOR...............................................................7-28

7.8.6 HANDLING AT IN-SEASON/OFF-SEASON ................................................................................7-28

7.8.7 INSPECTION & MAINTENANCE CHART ...................................................................................7-29

7.8.8 INSPECTION AND ADJUSTMENT OF AIR CONDITIONING COMPRESSOR BELT......................7-30

7.8.9 CLEANING OR REPLACING AIR CONDITIONER FILTERS ........................................................7-31

7.8.10 CHECKING AIR CONDITIONER REFRIGERANT ..................................................................... 7-33

7.9 HANDLING OF RADIO TUNER........................................................................................................7-35

7.9.1 NAME OF EACH PART .............................................................................................................7-35

7.9.2 ON-AIR (NORMAL CONDITION) ...............................................................................................7-36

7.9.3 SWITCHING SOURCE..............................................................................................................7-37

7.9.4 FM/AM .....................................................................................................................................7-38

7.9.5 USB PORT/EXTERNAL INPUT TERMINAL (AUX) ......................................................................7-43

7.9.6 BLUETOOTH AUDIO FUNCTION, AND EXTERNAL INPUT TERMINAL ......................................7-44

7.9.7 PAIRING (REGISTRATION OF DEVICES)..................................................................................7-45

7.9.8 TELEPHONE FUNCTION..........................................................................................................7-47

7.9.9 FILE PLAYING FUNCTION........................................................................................................7-49

7.9.10 VOLUME CONTROL...............................................................................................................7-50

7.9.11 SOUND ADJUSTMENT ...........................................................................................................7-51

7.9.12 CLOCK ADJUSTMENT ...........................................................................................................7-55

7.10 QUICK HITCH...............................................................................................................................7-56

7.10.1 PROHIBITED WORKS ............................................................................................................7-56

7.10.2 QUICK HITCH OPERATION SWITCH ......................................................................................7-57

7.10.3 PRECAUTIONS FOR USE ......................................................................................................7-58

7.11 MULTI-CONTROL VALVE (ISO & BHL PATTERN) ...........................................................................7-59

8. SPECIAL PROCEDURES

8.1 SPECIAL PROCEDURES AT ENGINE FAILURE ................................................................................8-3

8.2 LOWERING ATTACHMENT OF DISABLED MACHINE ........................................................................8-4

8.3 RELEASING TRAVEL MOTOR BRAKES............................................................................................8-5

［CONTENTS］

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