Claas Axion 810, 820, 830, 840, 850 Technical Manual

$49.95 USD · one-time payment

Model: Axion 810 | Axion 820 | Axion 830 | Axion 840 | Axion 850 | Axion 810-850
Type: Tractor
572 Pages·183 MB·Searchable PDF·English·Print-Ready
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Multi-Level Bookmarks (2-level navigation)
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Claas Axion 810-850 service manual page showing specialized tools: axle seal press, bearing bushing tool, crimping pliers, and extractors.
Claas Axion 810, 820, 830, 840, 850 Technical Manual
$49.95

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Every one of the 572 pages in this Claas Axion 850 technical manual PDF (OEM #00 11 362 650) is factory rebuild data for the Axion 810, 820, 830, 840, and 850 tractors. The download carries two volumes: this 572-page repair manual and a separate, much larger diagnostic manual that holds the hydraulic and electrical circuit diagrams. The repair volume covers the rear lift, electrohydraulic spool valve, and steering circuit, plus exploded views through the Hexashift and CMatic gearbox modules. Inside: a full torque section, step-by-step measurement procedures for the cylinder head, crankshaft, and common rail injection assembly, and complete teardown coverage of the suspended front axle and rear PTO. Hold the gap between valve bridge bores under 0.1 mm, and fill each epicycloid reducer with exactly 2 litres per side. Your tractor is split in the shop; forum threads won't put it back together. Bookmarked and keyword-searchable, this PDF opens on your phone, tablet, or laptop right at the machine.

What's Inside This Manual

SystemPagesKey Topics
General1-30Specific Torque, Blocking Between the Motor Oil Casing/Front Axle Chassis
Cylinder Head and Valves31-66Local Manufacturing Tool (Injector Socket Extractor, Rocker Caliper, Inspecting Valve Bridges, Inspecting the Rocker Pin, Inspecting the Rockers, Measuring Valve Shrinkage, Cylinder Head Flatness, Measuring Cylinder Head Thickness, Valve Guide Measurement, Measuring the Valve Seat Bore in the Cylinder Head, Measuring the Valve Springs, Measuring the Valves, Inspecting the Turbocharger, Checking the Belt Tensioner Spring, Removing the Alternator and Alternator Bracket, Refitting the Alternator and Bracket, Removing the Viscouc Coupling, Refitting the Viscous Coupling, Removing the Fan Hub and Bracket, Refitting the Fan Hub and Bracket, Removing the Turbocharger, Refitting the Turbocharger, Removing the Turbocharger Rod Linkage, Refitting the Turbocharger Linkage, Removing the Exhaust Manifold, Refitting the Exhaust Manifold, Removing the Cooler and Ducts EGR, Refitting the Cooler and Ducts EGR, Removing the Thermostat Cover, Refitting the Thermostat Cover, Removing the Thermostat Manifold, Removing the Cylinder Head Cover, Refitting the Cylinder Head Cover, Removing the Rocker Arm Assembly, Refitting the Rocker Shaft, Valve Rockers, Method of Adjustment, Removing the Rocker Carrier, Refitting the Rocker Carrier, Removing the Injector Socket, Removing the Cylinder Head, Preparation, Refitting the Cylinder Head, Refitting the Valve and Joint, Refitting the Valve and Gasket, Removing the Valve Seats, Refitting the Valve Seats, Removing the Intake Manifold, Refitting the Intake Manifold, Removing the Air Diffuser, Refitting the Air Diffuser, Removing the EGR Valve, Refitting the EGR Valve)
Liners, Pistons and Connecting Rods67-88Measuring the Counterboring Depth of the Liner Flange in the Block, Measuring the Liner Flange, Measuring Flatness of the Plate and the Plate/Crankshaft Bearing Distance
Flywheel, Bearing, and Crankshaft89-104Measuring the Inner Diameter of the Crankshaft Journals and Bearings, Measuring the Width of Journals and Thrust Bearings, Checking Axial Clearance of the Crankshaft
Timing and Balancing Shaft105-120Measuring the Bore of the Camshaft Bush, Measuring Axial Clearance of the Camshaft, Measuring the Diameter of the Camshaft Bush and Journals, Measuring the Cam Height
Injection Assembly121-132Removing the Supply Pump, Refitting the Supply Pump, Removing the High Pressure Common Rail, Refitting the High Pressure Common Rail, Removing the Flow Regulators
Lubrication System133-140Oil Filter, Oil Cooler, Engine Oil Pan, Oil Pump
Gearbox141-242Hexashift Module, Revershift Module, Robot-Driven Ranges, 4 Wheel Drive Shaft, Slow Range
Gearbox CMatic243-290Cartridge Cmatic, Line Shafting, Primary Line, Secondary Line, 4 Wheel Drive Shaft
General, Drive Pinion, Differential, Rear Power Take-Off, Automatic Brake, Service Brake, Axle Tubes291-418Gpa 40 Drive Pinion, Differential Lock, Rear PTO Clutch, Automatic Brake, Service Brake, Axle Tubes
Suspended Front Axle419-486Front Axle Removal, Epicycloid Reducer, Joint Unit, Suspension, 4WD Power Take-Off Housing
General, Hydraulic Source, Rear Lift, Electrohydraulic Spool Valve, Steering487-544Hydraulic Source, Rear Lift, Electrohydraulic Spool Valve, Steering Actuator, Steering Unit
Cab Lift, Heating/Air Conditioning545-572Cab Lift Safety, Compressor, Dehydrator Filter, Condenser, Expansion Valve, Motor Fan

Quick Reference Specifications

SpecificationValuePage
Zero play and preload tolerance for tapered roller bearings0 + 0,05 mmp. 214
Preload for shaft clearance in the casing0,10 + 0,05 mmp. 216
Main adjustment clearance0.10 ± 0.05 mmp. 250
Epicycloid reducer oil quantity2 litres per sidep. 438
Maximum gap between valve bridge bores0.1 mmp. 33
Rocker axis outer diameter19.962 - 20.038 mmp. 33
Rocker axis wear limit19.91 mmp. 33
Intake valve shrinkage in cylinder head0.77 - 1.27 mmp. 35
Exhaust valve shrinkage in cylinder head0.81 - 1.31 mmp. 35
Maximum acceptable cylinder head straightness error0.08 mmp. 35
New cylinder head thickness104.87 - 105.13 mmp. 36
Minimum acceptable cylinder head thickness104.24 mmp. 36
BrandClaas
ModelAxion 810, Axion 820, Axion 830, Axion 840, Axion 850, Axion 810-850
Machine TypeTractor
Manual TypeTechnical
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages572
File Size183 MB
Manual No.00 11 362 650
Wiring DiagramsNo
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes