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Hydraulics in construction and agricultural machineryHydraulics · 8 minA thorough review of hydraulics construction the central components and a safe workflow for troubleshooting machines with high pressure.The diesel engine: structure operation and troubleshootingMotor · 7 minUnderstand the diesel engine's work cycle fuel and air system and a practical approach to finding faults on engines in heavy machinery.Electrical systems and controls on modern machinery.Electricity and electronics. · 7 minGet an overview of the machine's electrical system, from the classic low-voltage installation to electronic control, and learn a safe method for electrical troubleshooting.Transmission and power transmissionTransmission · 8 minA review of the ways the machine's engine power is transmitted to wheels belts and tools — couplings gearboxes hydrostatics and power take-offs — plus what to watch for when troubleshooting and servicing.Tires, belts, and undercarriage.Undercarriage. · 7 minHow tyres and belt systems are built, why tyre pressure and wear matter so much for both operation and safety, and what you check when servicing the undercarriage.Lubrication, welding and wear in the workshopWorkshop technique · 7 minWhy proper lubrication extends machine life, how you work safely with welding on a machine, and how you understand and slow wear on moving parts.Brakes, steering and safety systemsSafety and chassis · 9 minA thorough review of brake and steering systems on heavy machinery the passive and active safety systems like ROPS FOPS and safety cutoffs plus how to service and troubleshoot them responsibly.Safe work procedure for lifting, weight and stabilityWork environment and machinery safety · 9 minUnderstand why machines and tools are CE-marked under the Machinery Directive what centre of gravity and stability mean in lifting and how you work safely with supported machines lifting gear and heavy items in the workshop and in the field.Cooling system, air conditioning and exhaust treatmentMotor and environment · 9 minHow the cooling system keeps the engine at the right temperature, why working on air conditioning requires an F-gas certificate, and how modern exhaust cleaning with particle filter, SCR catalyst and AdBlue works and is troubleshot.From horse-drawn to GPS-guided machineHistory · 10 minA journey from hand tools and draft animals through steam power and the first tractors to today's hydraulic computer-controlled machines — and how the mechanic trade followed each step of the way.From basic course to journeyman exam: the trade's specialtiesEducation and career · 8 minContracting and agricultural machinery education is built up in stages and specializations so you gradually choose which direction you want academically. The article reviews the path from basic course through tier 1 as material mechanic to the specializations and the journey exam itself.ISOBUS and implement connectivityTechnique · 8 minModern tractors and implements communicate digitally via the ISOBUS standard while the physical connection still follows fixed categories in the three-point hitch. The article explains how the two systems are connected and what you as a mechanic should look for in case of fault.GPS auto-steering and precision agricultureTechnique · 7 minPrecision agriculture relies on the machine knowing exactly where it is and being able to steer accordingly. The article explains the difference between ordinary GPS and RTK-corrected auto-steer, what the system requires, and what you need to remember when setting up and troubleshooting.Work environment: vibrations noise and ergonomicsWork environment · 8 minPart of the trade is not about acute accidents but about loads that accumulate over years: whole-body vibration from the machine, noise from motor and tools and ergonomic strain in the workshop. The article reviews what the rules require and what you can do yourself.Electric and hybrid machines: high-voltage safety.Electricity and the future. · 8 minElectric and hybrid-powered machines are gaining ground in both agriculture and the contracting industry, and they contain high-voltage components that can be life-threatening without proper training. The article covers the principles and requirements for safe high-voltage work.Diagnostic equipment software and telematicsDiagnosis and IT · 7 minModern machinery is troubleshoot just as much with software as with screwdrivers. The article covers the role of diagnostic tools, why software updates have become part of service and how telematics give the owner and workshop remote overview.Machine types: from excavator to combine harvesterMaterials and machine types · 8 minThe craft covers a broad spectrum of machines, each with its own structure and function. The article gives an overview of the most common machine types within construction and agriculture and the special conditions you must know for each.Complaint, warranty and documentation of workQuality and documentation · 7 minA repair is not complete until it is documented. The article goes through why thorough documentation protects both customer and workshop how warranty and complaint cases are handled and what a good work order should contain.