MODEL NUMBER AND IDENTIFICATION

CHARACTERISTICS

CHARACTERISTIC POWER, TORQUE AND SPECIFIC CONSUMPTION CURVES

MAINTENANCE - RECOMMENDED OIL TYPE - REFILLING

POSSIBLE CAUSES AND TROUBLE SHOOTING

OVERALL DIMENSIONS

MAIN TORQUE SPECIFICATIONS

STANDARD BOLT TORQUE SPECIFICATIONS

USE OF SEALANTS

DISASSEMBLY AND REASSEMBLY

Belt tension adjustmentBlower assemblyCAMSHAFTCamshaft bearing and journal inside diameterCamshaft end playCamshaft gearCamshaft plugsCamshaft timingCenter main bearing support, locating boltsChecking that piston is an original partCONNECTING RODConnecting rod alignmentConnecting rod big end bearingConnecting rod weightConnecting rod, small end bearing pinCRANKSHAFTCrankshaft center main bearing supportsCrankshaft end playCrankshaft journal radiusCrankshaft lubrication ductsCrankshaft pulleyCrankshaft removalCYLINDERCylinder roughnessDimensions and clearance between guides and valvesDimensions of camshaft journals and boresDry air cleanerExhaust manifoldFan control beltFlywheelHead tighteningHydraulic pump p.t.o.Idler gear and supportInjectorInjector projectionIntake manifoldIntake/exhaust cam height measurementMain bearing and connecting rod big end bearing inside diameterMain bearing housingsMain bearing support, flywheel sideMain bearing supportsOil coolerOil pump gearOil sprayerOil-bath air cleaner (standard)PISTONPiston - Refitting

Pag. 5

6

7

8

9

10-11

12

13

14

15

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Piston clearancePiston rings - Clearance between groovesPiston rings - End gapsPiston rings - Fitting sequencePiston weightPushrod tube springSelection of head gasket thicknessSpeed governorSpeed governor lubricating tubeSpeed governor operationSpeed governor spring hook-upSpeed governor springs with rocker yokeSpeed governor timing with injection pumpSpring for extra fuel supply at startingTankThrust ringTiming coverTiming gearTool for speed governor to injection pump adjustmentTurbochargerValve guide insertionValve guides and valve guide housingsValve materialValve seat grindingValve seats and housingsValve springValve timing checkValve timing without considering timing marksValve/rocker arm clearanceValves

LUBRICATION SYSTEM

Oil filterOil pressure checkOil pressure curve at full speedOil pressure curve at idling speedOil pressure relief valveOil pump

FUEL SYSTEM

Barrel and plunger for 5LD825-2Barrel and plunger for 5LD825-3Barrel and plunger for 5LD930-3, 5LD825-3/TChecking barrel and plunger for internal leakageChecking injector pump delivery valve sealingFuel feeding pumpFuel feeding pump drive rod protrusionFuel filterInject. pump prep. for reassembly to the eng., Pump type Bosch PIESInjection pump delivery testing for 5LD825-2Injection pump delivery testing for 5LD825-3Injection pump delivery testing for 5LD825-3/T, 5LD930-3Injection pump delivery valveInjection timing reference marks on the pulley and the gear coverInjectorInjector pumpInjector pump for 5LD825-4, 5LD930-4 - Pump type Bosch PESInjector pump reassembly to the engine - Pump type Bosch PESInjector settingInjector timing corrections with injector pump type Bosch PESNozzleStatic injection timingStatic injection timing correction for 5LD825-2, 5LD825-3, 5LD825-3/T, 5LD930-3Static injection timing reference marks on crankcase and flywheel

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41

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44

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ELECTRIC SYSTEM

12.5V, 14A Alternator12V, 21 A Alternator14V, 33A Bosch G1 alternator battery curveAlternator battery charger curve (12V, 21A)Alternator battery charging curve (12.5V, 14A)Alternator type Bosch G1, 14V, 33AAlternator type Bosch G1, 14V, 33A layoutCharacteristic curves for starting motor type Bosch JF (R) 12VCharacteristic curves for starting motor type Bosch JF, class 3Checking for cable continuityChecking voltage regulator for proper operationElectrical starting layout with battery charging lightElectrical starting layout without battery charging lightKey switchSTARTING MOTORStarting motor Bosch type JF (R), 12V class 2.5Starting motor Bosch type JF 12V, class 3Voltage regulator

SETTINGS

Full speed setting in no-load conditionsIdling speed setting in no-load conditionsInjection pump delivery settingInjection pump delivery setting with engine on the torque dynamometerStandard idling and full speed setting for 5LD825-4 and 5LD930-4Stop setting

STORAGE

How to prepare the engine for operationPermanent protectionTemporary protection

SPECIAL EQUIPMENT

52

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58

585858595859

60

606060

61