Kobelco SK100, SK120LC Hydraulic Excavator Service Manual
1,045 pages · Publication S5LP0004E-L
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What's inside
From the manual's own table of contents: 11 sections, 141 entries. See sample pages (PDF, 578 KB)
KOBElCO47 topics
- INTRODUCTION
- Removing Hydraulic Pump
- InstaJIing Hydraulic Pump
- HYDRAULIC SYSTEM DIAGRAM
- 2 .. 2 Hydraulic Circuits Diagram for SK120
- DESCRIPTION OF COMPONENTS
- HYDRAULIC CIRCUIT DIAGRAM
- Pilot Pressure Hydraulic Flow for the Swing System
- SWING MOTOR ASSEMBLY
- SWING REDUCTION UNIT
- REMOVING AND INSTALLING OF SWING RING
- SWING CONTROL VALVE
- OPERATION
- IDLER· (TRACK SPRING)
- Attachment pilot system
- Installing arm
- MAINTENANCE STANDARDS
- Clearance in thrust direction of boom. arm and bucket
- Adjusting the clearance between bucket .and arm
- Attachment pilot system
- CONSTRUCTION
- Removing bucket .•••
- Removing arm
- Removing boom
- Adjusting the clearance between bucket and arm
- ENGINE CONTROL INSTALLATION
- Construction
- FuncHon of stepping motor
- ~RA VEL CONTROL SYSTEM
- Gemeral View (Pilot Valve)
- Major Specifications (Pilot Valve) •
- WORK CONTROL SYSTEM
- 4 . .MAINTENANCE STANDARDS
- ENGINE CONTROL SYSTEM
- Summary of Functions
- TRAVEL PILOT VALVE
- Construction
- Configuration
- Remote Control Lock
- SOLENOID VALVE
- Maintenance Standard
- Travel and Work Control System
- <$> KOBE STEEL, LTD
- Air Conditioning Unit
- Mechanism of Cooling Circuit
- Electric System
- Electronic Thermostat
GENERAL INFORMATION5 topics
- General repair instructions
- Notes on the format on this manual
- Design fejltures and general outline
- Angular nut and bolt tightening method
- Major parts fixing nuts and bolts
MAINTENANCE6 topics
- Fuel system
- Valve cle.arance adjustment .•
- Injection timing .•
- Compression pressure measurement .•..••..•.•••••••.•
- Recommended lubricants
- Engine oil viscosity chart .••
ENGINE ASSEMBLY18 topics
- External parts disassembly steps •
- Major compornents
- Rocker a~m and rocker arm shaft disassembly steps
- Cylinder head disassembly steps ••••.•.•
- Piston and connecting rod disassembly steps
- Tappet
- Push rod
- Rocker arm shaft and rocker arm
- Idler gear and idler gear shaft •
- Camshaft
- Cylinder body and liner
- Crankshaft • . •
- Flywheel and flywheel hou.sing
- Timing gear case cover
- Rocker arm and rocker arm shaft reassembly steps •
- Major component reassembly steps I
- Engine tuning operation •
- Engine sectional view
LUBRICATING SYSTEM4 topics
- General description
- Oil pump
- Main oil filter
- Oil cooler
ENGINE ELECTRICALS8 topics
- Starter motor identification
- Starter main data and specifications
- Starter motor sectional view
- Starter motor exploded view
- ) Alternator identification
- Main data and specifications
- Alternator sectional view
- Alternator exploded view
TROUBLESHOOTING6 topics
- Hard starting
- 4) Engine turns over but does not start
- Whity exhaust smoke •
- Darkish exhaust smoke. •
- Oil pressure does not rise
- Abnormal engine noise •
CONVERSION TABLE5 topics
- Area
- Mass
- Pressure
- Torque
- Temperature
FLYWHEEL P.1'.O.-113 topics
- COMOPONENTS ••.••.•
- DISASSEMBLY
- REMOVAL OF P.T.O. GEAR
- DISASSEMBLY OF P.T.O. GEAR
- DISASSEMBLY OF IDLE GEAR
- INSPECTION AND R~PAIR
- MEASUREMENT OF BACKLASH IN EACH GEAR
- INSPECTION AND. REPLACEMENT OF BEARING
- SELECTION OF IDLE GEAR BEARING SPACER
- SELECTION OF P.T~O. GEAR BEARING SHIM
- REASSEMBLY OF P.T.O. GEAR
- INSTALLATION OF P.T.O
- TOOLS
SHOP10 topics
- OTHER VALVES
- HYDRAULIC MOTOR
- SWIVEL JOINT
- REDUCTION UNIT
- SPECIFICATION
- CONSTRUCTION AND FUNCTION
- Functional Explanation
- SPECIFICATION
- DISASSEMBLY AND ASSEMBLY
- Tools
KOIELCO8 topics
- SPECIFICATIONS
- CONSTRUCTION AND OPERATION
- Construction
- TROUBLESHOOTING
- CONSTRUCTION AND FUNCTION
- DISASSEMBLY AND ASSEMBLY
- Assembling Procedure
- SERVICE STANDARDS
Inside this manual
Real pages from this service manual (1,045 pages). Open the sample pages (PDF, 577 KB)
- Troubleshooting, page 604: 12-8 TROUBLESHOOTING
- Diagram, page 812: PREFACE
- Specifications, page 924: (5) Then determine dimension "0" of hold flange
- Color page, page 308: ARM CYLINDER
- Color page, page 262: OPERATION
- Foldout diagram (color), page 126: 4.2 TRAVEL CIRCUIT
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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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, 1,045 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
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).