Lesson 1Common Diesel Setups in Big Equipment (straight line, V-shape, turbo boosted)Looks at usual diesel engine setups and parts in big equipment. Compares straight line and V-shape engines, turbo boosted and natural breathing ones, and how setup affects fitting, service reach, and work power.
Straight line vs V-shape engine buildTurbo boosted vs natural breathing dieselsWet and dry sleeve block makingOverhead cam vs cam-inside-block setupsPower strength and torque line featuresService reach and fitting worriesLesson 2Fuel System Parts: Tanks, Filters, Lift Pumps, Injection Pumps, InjectorsCovers diesel fuel keeping and sending from tank to injector. Explains part jobs, flow ways, pressure steps, and cleaning, plus usual wear, dirt problems, checking tests, and safe service steps.
Tank design and air out in big equipmentLift pumps and low-pressure fuel linesFilter kinds, levels, and water splitHigh-pressure injection pumps and controlInjector kinds, spray shapes, and wearFuel dirt causes and checkingLesson 3Oiling System: Oil Kinds, Filters, Oil Paths, Pressure Systems, Dirt SignsCovers oiling system plan from bottom to bearings. Explains oil levels, extras, filters, paths, and pressure control, plus dirt sources, sampling, wear signs, and service times for big equipment.
Engine oil levels and service marksOil pump kinds and pressure controlMain paths, jets, and oil routesFilter materials, side valves, and serviceDirt sources and oil samplingLow oil pressure and noise checkingLesson 4Air In and Turbo Boosting: Filters, Air Coolers, Turbo CheckerDetails air in paths, cleaning, and turbo boosting in big diesels. Covers filter kinds, air cooling after boost, turbo parts, boost control, failure signs, and step-by-step turbo checker tests.
Air filter kinds, levels, and block checkTurbo parts and wordsWaste gates, VGTs, and boost controlAir coolers and air leak testingTurbo failure signs and main causesBoost pressure and air flow checkingLesson 5Usual Failure Ways and Sign Matching (smoke colors, smells, power loss, too hot)Links usual diesel failure ways to seen signs. Covers smoke colors, smells, noises, power loss, and too hot, teaching step checks to find causes before big open or testing.
Black, blue, white smoke checkingFuel, oil, coolant smell signsPower loss under load fixingToo hot and coolant loss waysAbnormal engine noises and shakeBasic fault find flow chartsLesson 6Engine Sensors and Controls: MAP/MAP-like, Coolant Heat, Oil Pressure, Crank/Cam SpotLooks at key engine sensors and control plans on new diesels. Details MAP, heat, pressure, speed sensors, wire basics, ECM thinking, failure ways, and how to test and read sensor info safely.
MAP and boost pressure sensor workCoolant heat and fan control inputsOil pressure sensing and safe thinkingCrank and cam spot sensor rulesECM plans for fuel and timeBasic sensor testing with multi toolsLesson 7Cooling System: Radiators, Coolant Kinds, Heat Controls, Water Pumps, HosesExplains engine cooling system design and work. Covers coolant mix, radiators, heat controls, pumps, hoses, caps, plus bubble damage, electric damage, leak checks, too hot checking, and keep up ways.
Coolant kinds, extras, and mix rulesRadiator build, flow, and cleanHeat controls, side paths, and testingWater pump design, drive, and failuresHoses, clamps, pressure cap checksToo hot checking and leak findLesson 8Diesel Engine Heat Rules and Four-Step CycleIntroduces diesel heat rules and four-step cycle. Links press start, air-fuel mix, heat move to torque out, good work, smoke out, and how work conditions affect engine power.
Press start and diesel traitsIn take, press, power, out take stepsBurn time and pressure linesAir-fuel mix, mix make, and smokeHeat move, good work, power outEffects of load, height, heatLesson 9Exhaust and After Care Basics: Mufflers, Particle Filters, DOC, Sensors (if there)Introduces exhaust flow and after care on new diesels. Explains mufflers, DOCs, DPFs, sensors, regrow basics, plus back pressure problems, check points, safe hold of hot parts.
Exhaust path and back pressure effectsMuffler kinds and noise control waysDOC work and light conditionsDPF load, regrow, ashExhaust heat and pressure sensorsAfter care fault sign overview
