Kobelco LK850-II Hydraulic Excavator Service Manual
540 pages · Publication S5RJ0002E
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- Models
- LK850-II
- Serial coverage
- RJ-1001~
- Manual type
- Service Manual
- Pages
- 540
- Publication
- S5RJ0002E
- Condition
- Brand new
What's inside
From the manual's own table of contents: 6 sections, 179 entries. See sample pages (PDF, 491 KB)
Book code No. 1^^6 topics
- SPECIFICATIONS
- Names of Components
- Outline Dimensions
- Main Specification
- Engine Data
- Engine Performance Curve
Book code No16 topics
- Battery
- MEASUREMENT OF HYDRAULIC OIL PRESSURE
- Pressure Gauge Mounting Location
- Adjustment of Main Relief Pressure
- Adjustment of Steering Relief Pressure
- MEASUREMENT OF CYLINDER SPEED
- How to Measure Boom Cylinder Speed
- How to Measure Bucket Cylinder Speed
- HYDRAULIC TESTS OF HYDRAULIC CYUNDER 01L-TIGHTNESS
- How to Test Boom Circuit
- HOW TO CONDUCT TRANSMISSION STALL TEST
- How to Conduct Stall Test
- Stall Test Procedure
- Full Stall Test Procedure
- MEASUREMENT OF TRANSMISSION OIL PRESSURE
- Measurement of Main Hydraulic Pressure
Book code N'o41 topics
- TIGHTENING TORQUE OF CAPSCREW AND NUTS
- Metric Coarse Screw Thread
- Metric Fine Screw Thread
- Unified Coarse Thread
- Unified Fine Thread
- CONVERSION TABLE
- Temperature Conversion Table (°C and °F)
- Length Conversion Table (mm and inch)
- Pressure Conversion Table (kg/cmJ andp.s.i.)
- Flow Rate Conversion Table (£ and gal)
- Torque Conversion Table (kg.m and ft.lb)
- Speed (km/h and m.p.h)
- GENERAL
- Location of Main Components
- CONSTRUCTION
- Engine and Transmission
- Transmission
- Transmission Control
- Drive Shaft
- Axles
- REMOVING AND INSTALLING
- Preparations
- Drive Shafts
- Disassembly
- Maintenance Standards
- TROUBLESHOOTING
- HYDRAULIC SYSTEM
- Hydraulic Circuit
- REMOVAL AND INSTALLATION
- Hydraulic Pump
- Control Valve
- Relief Valve Unit
- Pilot Control Valve
- Boom Cylinder and Bucket Cylinder
- MAINTENANCE
- General Precautions
- Hydraulic Oil Tank
- BOOM LINKAGE
- Inspection and Maintenance Standards
- PIVOT PIN (CENTER PIN)
- Inspection
Book code No. ^64 topics
- OPERATION
- Outline
- System Operation
- Steering Valve
- Orbitrol
- Stop Valve
- SERVICE BRAKE
- Air Reservoir
- Brake Valve
- Power Cluster
- Disk Brake
- Brake Oil Reservoir
- Air Governor
- PARKING BRAKE
- Parking Linkage
- Solenoid Valve
- Brake Chamber
- ELECTRIC SYSTEM DIAGRAM
- Wiring Table
- Connection of Switches
- LOCATION OF MAIN COMPONENTS AND WIRING
- Main Components List
- Location of Main Components and Connectors
- SPECIFICATION OF MAIN COMPONENTS
- Check & Safety Monitor
- Transmission Controller
- OTHER ELECTRICAL SYSTEMS
- Bucket Leveler
- Boom Kick-out
- Proximity Switch
- Air Conditioner and Heater
- REMOVAL AND DISASSEMBLY OF CHECK & SAFETY MONITOR
- Removal
- Inspection of Check and Safety Monitor
- FUNCTION
- Specifications — 1
- Specifications — 2
- CHANGING OIL SEALS
- Preparation
- DISASSEMBLING INTERNAL COMPONENTS
- Disassembly (2nd-stage work)
- MAINTENANCE STANDARDS AND TEST PROCEDURE
- CONSTRUCTION AND FUNCTION
- DISASSEMBLY AND ASSEMBLY
- Component Parts
- Necessary Tools
- DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE
- DISASSEMBLY AND ASSEMBLY OF RELIEF VALVE
- Main Relief Valve
- Overload Relief Valve
- Cleaning and Inspection
- Main Specifications
- DISASSEMBLY AND ASSEMBLY OF STEERING VALVE
- Valve Assembly
- Relief Valve
- CONSTRUCTION AND OPERATION
- Valve Specifications
- Dimensions
- Regarding Disassembly and Assembly
- DISASSEMBLY AND MAINTENANCE
- Before Disassembly, Maintenance
- Cleaning
- Assembly
- TROUBLESHOOTING
KOBELCO31 topics
- Torque Converter
- Speed Change Mechanism
- Transfer Gear and Output S h a f t
- Power Take-off (P.T.O.)
- AND MAINTENANCE
- Handling Method
- Checking and Maintenance
- Stall Tests
- GUIDE TO OVERHAUL
- Jigs, Tools and Devices
- Replacement Parts
- Care in Handling Parts
- Prior to Disassembly
- Transmission Operating Test
- Assembly of Clutch [I]
- Assembly of Clutch [II]
- Assembly of Qutch [III]
- Assembly of Qutch [IV]
- Control Valve Assembly
- Assembly of Gear (Oil) Pump
- Transmission Gear Assembly [I]
- Transmission Gear Assembly [II]
- NOSPIN DIFFERENTIAL (OPTION)
- Description
- Handling Precautions
- Standard Differential Axle
- Power Transmission
- Differential
- Planetary Reduction Gears
- HUB PLANETARY ASSEMBLY
- DIFFERENTIAL ASSEMBLY
Book code15 topics
- GENERAL DESCRIPTION
- Construction of Tires
- Nominal Size of Tires
- Kinds of Rims
- Hydro-inflation Tires
- PROCEDURES FOR ADDING AND REMOVING LIQUID BALLAST
- Adding and Removing Liquid Ballast
- TIRE MAINTENANCE
- Tire Inspection
- Air Pressure
- Qeaning and Inspection
- Maintenance Standards and Tightening Torque
- Component Location
- MAINTENANCE AND INSPECTION
- Quarterly Inspection
Inside this manual
Real pages from this service manual (540 pages). Open the sample pages (PDF, 491 KB)
- Diagram, page 224: EMERGENCY STEERING SYSTEM
- Troubleshooting, page 264: TROUBLESHOOTING
- Specifications, page 328: ?,. SPECIFICATIONS
- Foldout diagram, page 191: WIRING TABLE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the LK850-II 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, 540 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.
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).