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Work Shop Manual GR 8 matr 1-5302-291

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Page 1: Work Shop Manual GR 8 matr 1-5302-291
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CHARACTERISTICS

CHARACTERISTICS CURVES

INTRODUCTION

MAIN TORQUE SPECIFICATIONS

MAINTENANCE-RECOMM ENDED OIL TYPE-REFILLING

MODEL NUMBER AND ENGINE IDENTIFICATION

OVERALL DIMENSIONS 8LD600-2; 8LD665-2; 8LD665-2/L and 8LD740-2

STANDARD BOLT TORQUE SPECIFICATIONS

TROUBLE SHOOTING

USE OF SEALANTS

DISASSEMBLY/REASSEMBILY

Air cleanerAir cleaner componentsAir shroud and platesAxial blower beltBelt tension adjustmentBlower assemblyBlower assembly componentsCAMSHAFTCamshaft end playCamshaft gearCamshaft timingCenter main bearing support, locating boltChecking main journals and crank pinsChecks and cylinder roughnessClearance between main journals/crank pins and connecting rod bearingsCompression releaseCONNECTING RODConnecting rod alignmentConnecting rod big end bearingConnecting rod small end bearing and pinConnecting rod weightCRANKSHAFTCrankshaft center main bearing supportCrankshaft end playCrankshaft gearCrankshaft journal radiiCrankshaft lubrication ductsCrankshaft pulleyCrankshaft removalCranshaft pulleyCYLINDERCYLINDER HEADDimensions and clearance between guides and valvesDimensions of camshaft journals and housingsELECTRONIC SPEED GOVERNORElectronic speed governor componentsElectronic speed governor control boxElectronic speed governor layoutEngine running with electronic speed governorExhaust manifoldFlywheelGear cover, timing sideHow to measure main bearing inside diameterHydraulic pump mounths IP and 2P, for 4th p.t.o.Hydraulic pump p.t.o.Hydraulic pump p.t.o. 1P, for external mountin

6

7

3

12

8

5

11

13

9

12

15

15151816161717323327332829233019252626262628283127292917281723202132373738373816181830353535

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Hydraulic pump, group 2P, 4th p.t.o.Injector protrusionInjectorsIntake manifoldIntake/exhaust lobe heightMain bearing and connecting rod big end bearing I/DMain bearing support, gear sideMain bearing supportsMain journal and crank pin diameterMECHANICAL SPEED GOVERNORMechanical speed governor componentsMechanical speed governor operationOil pump gearPISTONPiston clearancePiston refittingPiston rings - Clearance between groovesPiston rings end gapsPiston rings fitting sequence 8LD600-2; 8LD740-2Piston rings fitting sequence 8LD665-2/L; 8LD665-2Piston weightPushrod tubeRocker arm assemblySpring for extra fuel supply at startingStarting with electronic speed governorTankTo measure camshaft journals and housingValve guide and cylinder headValve guide insertionValve materialValve seat lappingValve seats and cylinder headValve springsValve timing checkValve timing without considering timing marksValve/rocker arm clearanceValves

LUBRICATION SYSTEM LAYOUT

Oil filter cartridgeOil pressure checkOil pressure curve at full speedOil pressure curve at idling speedOil pressure relief valveOil pumpOil pump rotor clearance

FUEL SYSTEM

Assembly of injection pump componentsChecking plunger and barrel for internal leakageFuel feeding pumpFuel feeding pump drive rod projectionFuel filterHow to check injection pump delivery valve sealingINJECTIONINJECTION PUMPInjection pump componentsInjection pump/mechanical speed governor adjustmentInjection timing checkInjection timing checking deviceInjection timing correctionInjection timing reference marks on crankcase and flywheelInjection timing reference marks on the pulleyInjector settingMounting injection pump on the engine

35201916323027312936363627232525242424252422193638183221212122222024331920

39

40404141404040

43

4645434343454944444647474848484946

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NozzlePlungerSTATIC INJECTION TIMINGTest data for injection pump delivery

STANDARD ELECTRIC EQUIPMENT

12.5V - 14A alternator12V - 21A alternator14V - 33A Bosch G1 alternator battery charger curveAlternator battery charging curve 12.5V - 14AAlternator battery charging curve 12V - 21AAlternator type Bosch G1 14 V - 33 ACharacteristic curves for starting motor type Bosch DW (R)-12 V - 1.7 kWCharacteristic curves for starting motor type Bosch GF-12 V, class 1.5Characteristic curves for starting motor type Magneti Marelli E100-1.5/12 VChecking for alternator cable continuityElectrical starting layout with battery charging lightElectrical starting layout without battery charging lightHow to check voltage regulator for proper operationMagnetization checking toolSTARTING MOTORStarting motor type Bosch GF-12 V class 1.5Starting motor type Marelli E100-1.5/12 VVOLTAGE REGULATOR

MANUAL STARTING

Crank startingCrank starting systemRope starting

SETTINGS

Full speed setting in no-load conditions (standard)Idling speed setting in no-load conditions (standard)Injection pump delivery limiting and extra fuel deviceInjection pump delivery settingInjection pump delivery setting with engine at the torque dynam.Stop setting

STORAGE

How to prepare the engine for operationPermanent protectionTemporary protection

49434745

50

505154515154535555525050535255555552

56

565656

57

575757575859

60

606060

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