Kobelco 70SR-2 Acera Hydraulic Excavator Service Manual
963 pages · Publication S5YT0010E01
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- Models
- 70SR-2 Acera
- Serial coverage
- YT06- 18001 and higher
- Manual type
- Service Manual
- Pages
- 963
- Publication
- S5YT0010E01
- Condition
- Brand new
What's inside
From the manual's own table of contents: 25 sections, 335 entries. See sample pages (PDF, 587 KB)
OUTLINE9 topics
- GENERAL PRECAUTIONS FOR MAKING REPAIRS
- PREPARATION BEFORE DISASSEMBLING
- SAFETY WHEN DISASSEMBLING AND ASSEMBLING
- DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT
- ELECTRICAL EQUIPMENT
- HYDRAULIC PARTS
- WELD REPAIR
- ENVIRONMENTAL ISSUES
- INTERNATIONAL UNIT SYSTEM
SPECIFICATIONS17 topics
- NAME OF COMPONENTS
- GENERAL DIMENSIONS
- WEIGHT OF COMPONENTS
- TRANSPORTATION
- OVERALL DIMENSIONS OF MACHINE ON A TRUCK
- DIMENSIONS OF ATTACHMENT
- SPECIFICATIONS AND PERFORMANCE
- SPEED AND CLIMBING CAPABILITY
- ENGINE
- HYDRAULIC COMPONENTS
- WEIGHT
- TYPE OF CRAWLER
- TYPE OF BUCKET
- COMBINATIONS OF ATTACHMENT
- ENGINE SPECIFICATION
- SPECIFICATIONS
- ENGINE CHARACTERISTIC CURVE (ISUZU AU-4LE2X)
ATTACHMENT DIMENSIONS13 topics
- BOOM
- BOOM DIMENSIONAL DRAWING
- BOOM MAINTENANCE STANDARD
- ARM DIMENSIONAL DRAWING
- ARM MAINTENANCE STANDARD
- BUCKET
- BUCKET DIMENSIONAL DRAWING
- BUCKET DIMENSIONAL TABLE
- LUG SECTION DIMENSIONAL DRAWING
- BOSS SECTION DIMENSIONAL DRAWING
- DOZER
- DOZER DIMENSIONAL DRAWING
- DOZER MAINTENANCE STANDARD
TOOLS26 topics
- TIGHTENING TORQUES FOR CAPSCREWS AND NUTS
- SCREW SIZE
- CAPSCREW (BOLT)
- CAPSCREW (SOCKET BOLT)
- SOCKET SET SCREW
- TIGHTENING TORQUE FOR HOSE AND FITTING
- JOINT (O-RING TYPE)
- HYDRAULIC HOSE (30 DEG. FLARE TYPE)
- JOINT (ORS TYPE)
- SPLIT FLANGE
- TIGHTENING TORQUES FOR NUTS AND SLEEVES
- PLUGS
- PLUG FOR HYDRAULIC PIPE JOINT
- PLUG FOR HYDRAULIC EQUIPMENT
- SPECIAL SPANNER FOR TUBE
- SPECIAL TOOLS
- SUCTION STOPPER
- COMPONENTS
- DIMENSION
- APPLICABLE MODEL
- COUNTER WEIGHT LIFTING JIG
- BOOM FOOT PIN PULLING TOOLS
- TRANION CYLINDER PIN PULLING TOOLS
- UPPER FRAME LIFTING JIG
- ENGINE MOUNTING PEDESTAL
- TRACK SPRING SET JIG
MAINTENANCE STANDARD AND TEST PROCEDURE27 topics
- HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS
- PERFORMANCE INSPECTION STANDARD TABLE
- STANDARD VALUE TABLE
- MEASUREMENT OF ENGINE SPEED
- MEASUREMENT OF HYDRAULIC PRESSURE
- PREPARING TO MEASURE HYDRAULIC PRESSURE
- PLACE TO INSTALL PRESSURE GAUGE
- PRESSURE ADJUSTMENT POSITION
- PROCEDURE FOR ADJUSTING RELIEF VALVE
- MEASURING TRAVEL PERFORMANCES
- TRAVEL SPEED
- DEVIATION OF TRAVEL
- PERFORMANCES OF PARKING BRAKE
- DRAIN RATE OF TRAVEL MOTOR
- MEASURING SWING PERFORMANCES
- SWING SPEED
- PERFORMANCE OF SWING BRAKE
- PERFORMANCE OF SWING PARKING BRAKE
- DRAIN RATE OF SWING MOTOR
- MEASURING ATTACHMENT OPERATING PERFORMANCES
- OPERATING TIME OF CYLINDERS
- OIL TIGHTNESS OF CYLINDERS
- MEASURING PERFORMANCES OF SWING BEARING
- MECHATRO CONTROLLER
- ENGINE CONTROL INPUT / OUTPUT
- ENGINE CONTROL
- ENGINE CONTROL EQUIPMENT
MECHATRO CONTROLLER10 topics
- SUMMARY OF MULTI DISPLAY
- SELF DIAGNOSIS DISPLAY
- SERVICE DIAGNOSIS DISPLAY FUNCTION
- TROUBLE HISTORY DIAGNOSIS
- SET PROCEDURE OF MAINTENANCE SCHEDULE
- ADJUSTING PROCEDURE OF DISPLAY
- MECHATRO CONTROL EQUIPMENT
- Service diagnosis mode
- POWER SHIFT 0mA
- Power shift current
HYDRAULIC SYSTEM17 topics
- SUMMARY
- FUNCTION AND FEATURES OF HYDRAULIC CIRCUIT
- HYDRAULIC CIRCUITS AND COMPONENTS
- STANDARD SPECIFICATION
- OFFSET SPECIFICATION (OPT.)
- BREAKER SPECIFICATION (For OFFSET OPT.)
- HAND CONTROL BREAKER SPECIFICATION (For OFFSET OPT.)
- HYDRAULIC CIRCUIT OPERATION
- COLOR CODING STANDARD FOR HYDRAULIC
- NEUTRAL CIRCUIT
- TRAVEL CIRCUIT
- BUCKET CIRCUIT
- BOOM CIRCUIT
- SWING CIRCUIT
- ARM CIRCUIT
- DOZER CIRCUIT
- COMBINED CIRCUIT
ELECTRICAL SYSTEM16 topics
- ELECTRIC CIRCUIT DIAGRAM
- ELECTRICAL EQUIPMENT & HARNESS
- HARNESS
- HARNESS LIST
- INSTRUMENT PANEL ASSY
- CONTROLLER INSTALL
- OPERATOR'S CONTROL
- UPPER ELECTRIC ASSY
- UPPER HARNESS ASSY
- UPPER HARNESS ASSY (FLOOR)
- CAB HARNESS ASSY
- BOOM HARNESS ASSY
- BOOM LIGHT INSTALL
- UPPER LIGHT INSTALL
- LAMP INSTALL (FLASHER)
- ALARM ASSY
COMPONENTS SYSTEM12 topics
- HYDRAULIC COMPONENTS
- HYDRAULIC PUMP & REGULATOR
- CONTROL VALVE
- PILOT VALVE (ATT)
- PILOT VALVE (TRAVEL)
- SWING MOTOR UNIT
- TRAVEL MOTOR
- SWIVEL JOINT
- CYLINDER
- ELECTRICAL EQUIPMENT
- ELECTRICAL EQUIPMENT LIST
- SPECIFICATIONS ELECTRICAL EQUIPMENT
AIR-CONDITIONER SYSTEM27 topics
- BASIC SYSTEM OF AIR CONDITIONER (HVAC AIR CONDITIONER)
- AIR CYCLE
- AUTO AIR CONDITIONER SYSTEM OUTLINE
- COMPONENT AND CONSTRUCTION
- COMPONENT
- CONSTRUCTION
- PIPING
- AIR CONDITIONER
- AIR DRYER ASSY
- FUNCTION
- MECHANISM OF COOLING CIRCUIT
- COOLING CIRCUIT
- COMPONENT PARTS
- DISASSEMBLY AND ASSEMBLY
- PRECAUTIONS TO BE EXERCISED IN OPERATION
- DISASSEMBLY AND ASSEMBLY OF UNIT
- CHARGING REFRIGERANT
- OPERATING PROCEDURE
- CHARGING PROCEDURE
- ELECTRIC CIRCUIT
- WIRING DIAGRAM AND CONNECTORS
- AND THE INSPECTION
- TROUBLESHOOTING
- SELF DIAGNOSIS FUNCTION ON DISPLAY OF PANEL
- POSITION OF INDICATION FOR FAILURE
- EXPLANATION OF INDICATION FOR FAILURE
- EXPLANATION OF MONITOR MODE
CAB INTERFERENCE PREVENTION SYSTEM21 topics
- OUTLINE AND FUNCTIONS
- OUTLINE
- CAB INTERFERENCE PREVENTION EQUIPMENTS
- HEIGHT/DEPTH LIMITATION DEVICE
- CONSTRUCTIONS
- BOOM ANGLE SENSOR POSITION
- ARM ANGLE SENSOR POSITION
- OFFSET ANGLE SENSOR POSITION
- CONSTRUCTION OF ANGLE SENSOR
- ADJUSTMENT PROCEDURE
- INTERFERENCE PREVENTION EQUIPMENT
- SET PROCEDURES OF HEIGHT AND DEPTH INDICATIONS
- RESET OF HEIGHT AND DEPTH INDICATIONS SETTING
- SETTING THE HEIGHT LIMITATION
- SETTING THE DEPTH LIMITATION
- SETTING THE OFFSET LIMITATION
- RELEASING THE LIMITATION
- RELEASING THE ALL LIMITATIONS
- CHECKING ON CAB INTERFERENCE PREVENTION SYSTEM
- INTERFERENCE PREVENTION RELEASE CONNECTOR
- INSPECTION OF ELECTRIC PARTS
ATTACHMENTS3 topics
- REMOVING AND INSTALLING
- ATTACHMENT assembly
- DISASSEMBLING AND ASSEMBLING
UPPER SLEWING STRUCTURE24 topics
- REMOVING AND INSTALLING
- OPERATOR SEAT
- BATTERY
- GUARD
- UNDER COVER
- FUEL TANK
- HYDRAULIC TANK
- HYDRAULIC PUMP
- AIR CLEANER
- MUFFLER
- COUNTERWEIGHT
- RADIATOR & OIL COOLER
- ENGINE
- CONSOLE COVER
- CONTROL VALVE
- PILOT VALVE (FOR ATT)
- PILOT VALVE (FOR TRAVEL)
- SWING MOTOR UNIT
- SWIVEL JOINT
- UPPER FRAME
- DISASSEMBLING AND ASSEMBLING
- HYDRAULIC PUMP - REGULATOR
- PILOT VALVE (FOR ATT)
- PILOT VALVE (FOR TRAVEL)
TRAVEL SYSTEM9 topics
- REMOVING AND INSTALLING
- TRAVEL SYSTEM
- CRAWLER
- UPPER ROLLER
- LOWER ROLLER (TRACK ROLLER)
- FRONT IDLER (IDLER ADJUSTER ASSY)
- SPROCKET
- SWING BEARING
- DISASSEMBLING AND ASSEMBLING
TROUBLE SHOOTING (BY ERROR CODES)4 topics
- ON-SITE EVALUATION
- CLASSIFICATION OF FAILURE AND TROUBLESHOOTING
- THE BLOWN FUSE OF MECHATRO CONTROLLER
- TROUBLESHOOTING BY ERROR CODE
TROUBLESHOOTING (BY TROUBLE)5 topics
- HYDRAULIC SYSTEM
- ELECTRIC SYSTEMS
- WIRING CHECKING PROCEDURE
- TROUBLE
- ENGINE RELATED TROUBLESHOOTING
General Information 0A-16 topics
- General Information
- Service Precautions
- Reading the Model
- Recommended Lubricant
- List of Trouble Symptom
- Repair Standard
4LE2 Engine Mechanical 1A-124 topics
- ISUZU Diesel Engine
- How to Read the Model
- Explanations on Functions and Operation
- Function Check
- Engine Accessories
- Removal
- Installation
- Torque Specifications
- Engine Exterior Equipment
- Rocker Arm Shaft
- Disassembly
- Inspection
- Reassembly
- Cylinder Head
- Piston, Connecting Rod
- Flywheel
- Crankshaft Front Oil Seal
- Crankshaft Rear Oil Seal
- Timing Gear Train
- Camshaft
- Crankshaft
- Cylinder Block
- Special Tool
- List of Special Tool
4LE2 Cooling System 1B-14 topics
- Cooling System
- Water Pump
- Thermostat
- Fan Clutch, Cooling Fan
4LE2 Fuel System 1C-12 topics
- Fuel System
- Governor
4LE2 Electrical System 1D-117 topics
- Charging System
- General Description
- Maintenance
- Generator (24V-30A)
- Structure
- Connector Terminal
- Internal Connections
- Bench Test
- Trouble Diagnosis
- Maintenance Standard
- Generator (24V-50A)
- Handling
- Trouble and Action
- Starting System
- Sectional View
- Starter
- No Load Test
4LE2 Exhaust System 1G-18 topics
- EGR Control
- Appearance of EGR Controller
- EGR Controller Wiring Diagram
- Connector Pin Layout
- Tachosensor Circuit Diagram
- Boost Pressure Sensor Circuit Diagram
- Engine Coolant Temperature Control
- Engine Speed and Boost Pressure Control
4LE2 Lubrication System 1H-13 topics
- Lubrication System
- Oil Filter
- Oil Pump
4LE2 Intake System 1J-14 topics
- Turbocharger
- Table of Specifications
- List of Measurement Tool
- List of Other Material
Show all 25 sections
4LE2 Preheating System 1K-12 topics
- Preheating System
- Glow Plug Check
Inside this manual
Real pages from this service manual (963 pages). Open the sample pages (PDF, 587 KB)
- Diagram, page 181: 23. ELECTRICAL SYSTEM
- Specifications, page 433: 32. ATTACHMENTS
- Troubleshooting, page 685: 46. TROUBLE SHOOTING (BY ERROR CODES)
- Color page, page 635: 34. TRAVEL SYSTEM
- Foldout diagram (color), page 158: 22. HYDRAULIC SYSTEM
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 963 pages
Quantity one is the manual described above.
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Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).