Chery A21 Manuel utilisateur

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

MECHANISMOF2.0NAENGINE

CONTENT

CHAPTER1ENGINEPARAMETERAND SPECIALMAINTENANCETOOLS....2

SECTION 1TECHNOLOGYDATAINSTRUCTION................................................2

SECTION 2SPECIALTOOLS...................................................................................5

SECTION 3ENGINENUMBERPOSITION.............................................................6

SECTION 4COLLATING METHOD OFENGINETIMING.....................................7

CHAPTER2ENGINEBODY........................................................................................9

SECTION 1WHEELTRAIN......................................................................................9

SECTION 2CYLINDERHEAD..............................................................................14

SECTION 3SHORTENGINE..................................................................................26

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

CHAPTER1ENGINEPARAMETERAND SPECIALMAINTENANCETOOLS

SECTION1TECHNOLOGYDATAINSTRUCTION

ENGINECHARACTER

EngineModel SQR481H

EngineType

4-Cylinder,WaterCooled, In-lineDouble

OverheadCamshaft, 16 Valve,

ControllableBurning Rate,VariableValve

Timing

CylinderDiameter mm）83.5

PistonStroke(mm) 90

Displacement(L) 1.971

CompressionRatio 10

RatedPower Kw）95

RevatRatedPower r/min）5500

Max.Torque NM）180

RevatMax.Torque r/mim）4000

MinimumFuelConsumptionRate g/Kw.h）

301

CylinderPressure Bar）10±0.2

FuelPressure Bar）4

LowIdleSpeed

800±50r/min）

HighIdleSpeed

2000r/min）

EngineOil

Pressure Bar）

HighSpeed

4000r/min）

HighPressureCircuit 2--3

A/CCircuit

Pressure Bar）

LowPressureCircuit 12---16

PressureReliefValve

ReleasePressureto

Outside）88±14.5

ExpansionTank

Cap kpa）VacuumValve LeadAir

intoTank）-10~~~~-2

StartWorking

Temperature 87Thermostat

Working

Temperature ）

FullWorking

Temperature 104

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

TECHNOLOGYDATAINSTRUCTION

Item StandardValue

Intakecam 37.15

CamHeight Exhaustcam 37.05

Intakecam

CamshaftDiameter Exhaustcam

Intakecam 0.15--0.20

Camshaft

Axialclearance ofCamshaft Exhaustcam 0.15--0.20

PlaneDegree ofLowerSurface 0.04

WholeHeight 140±0.41

Cylinder

Head SurfaceGrindLimit*TotalGrinding Quantityof

CylinderBlockandHead

IntakeValve 0.3±0.15

FringeThicknessonTopofValve

ExhaustValve 0.3±0.15

IntakeValve 5.98±0.008

ValveStemDiameter ExhaustValve 5.96±0.008

IntakeValve

SealBandwidth ExhaustValve

IntakeValve 0.02

GapBetweenValveStemAndGuide

ExhaustValve 0.04

IntakeValve 65°

TiltAngle ExhaustValve 68°

IntakeValve 107.998

Valve

Height ExhaustValve 106.318

Free Height 47.7

WorkingTensioninAdvance/WorkingHeightKg/mm

620N/32mm

Valve

Spring

VerticalDegree

ValveGuideLength 38±0.25

Valve

Guide InsideDiameter 5.4±0.1

040.0

053.0

−

040.0

053.0

−

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

OuterDiameter

PressureHeight 16±0.3

ProtrudingPartofValveStem 47.5

Piston PistonSkirtDiameter 83.46±0.009

1st Ring 0.04--0.08

SideClearance

Ring

0.01

0.025

Ring

0.2--0.4

EndPlay

Ring

0.4

0.6

1st Ring

2nd Ring

Piston

Ring

Height

OilRing

1st Ring

2nd Ring

Ring

Groove Height/Depth

OilRing

2.5

Diameter

Length 60

PistonPin

DiameterofPistonPinHole

AxialClearance 0.076--0.265

RadicalClearance -0.0375

CoaxialDegree 0.05

Cylindricity 0.008

CrankshaftMainshaftDiameter

Roundness

0.005

Cylindricity

Crankshaft

ConnectingRodJournalDiameter

Roundness

WholeHeight 218±0.05

CylinderHoleRoundness/StraightnessAccuracy 0.008 /0.01

Cylinder

UpperSurface Planeness 0.04

RadialClearance ofConnectingRodBearing 0.016--0.051

Connectin

gRod AxialClearance ofBigEnd 0.15--0.4

051.0

040.0

05.0

03.0

04.0

02.0

03.0

01.0

005.0−

008.0

002.0

01.0

03.0

−

005.0

030.0

−

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

SECTION2SPECIALTOOLS

Camshaft TimingTool

CrankshaftTimingTool

FlywheelTool

GuideSleeveofCrankshaftOil

Seal

GuideSleeveofCamshaft Oil

Seal

HydraulicHoist

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

FuelPressureGauge

CylinderPressureGauge:whenmeasurethecylinder

pressure,firstlyremovethesparkplug,screwthepipe

endofinstrumentinsteadofit,andoperatetheengineby

starter, thentakethemaximumvalueincylinderpressure

gaugeascylinderpressure.

SECTION3ENGINENUMBERPOSITION

Position ofEngineCylinderBlockNumber

EngineOil Dipstick

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

SECTION4COLLATINGMETHODOFENGINETIMING

1.Removetheuppercoverofenginetiming

belt.

2. Removethelowercoverofenginetiming

belt.

3. Loosenthecentralboltoftiming belt

tensionpulleyandremovethetiming

belt.

4. Drawoutthehighvoltageignitioncable.

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

5. Loosentheboltofvalvecoverand

removethevalvecover.

6. Rotatethecamshaftinordertoclipthe

camshafttool intotheslotattheendof

camshaft.

7. Loosentheboltsofairintakeandexhaust

camshafttensionpulleyswithtorque

wrench.

Note:Itisnottoremovebutloosen.

8. Revolving thecrankshaft,youmayrotate

inthe crankshafttool soastoitcannot

moveinbothdirection.

Note:Doitwithpatience andcarefulness lest

thecrankshaftshouldbebroken.

CamshaftTool

CrankshaftTool

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

9. Mountthetiming beltandrotatetension

pulleywithAllenwrenchinorderto

tensionthebeltandmakethefingerof

tensionerpointtothemiddleofUslot

opening.Fastentheboltoftensionpulley,

thefastening boltsofairintakeand

exhaustcamshafttensionpulleysand

camshaft.

Torque:120±5Nm.

10. Removethespecialtiming tool,and

mountthevalvecover,thehighvoltage

ignitioncableandthetiming beltcover.

CHAPTER2ENGINEBODY

SECTION1WHEELTRAIN

I. STRUCTURALDIAGRAM

PartName Torque valueNm Re-screwangle

1 Bolt–LowerPartOfTiming

FrontCover 8+3

2 Bolt–UpperPartOfTiming Front

Cover 8+3

3 Bolt–UpperPartOfTiming Front

Cover 8+3

4 LowerPartOfTiming Front

Cover

5 UpperPartOfTiming Front

Cover

6 Washer- LowerPartOfTiming

FrontCover

7 Bolt-CrankshaftTimingGear 130+10 65+5

8 Washer- CrankshaftTimingGear

9 CrankshaftTimingGear

10 TimingBelt

11 WaterPump

12 Bolt-Timing GearRearCover 5+1.5

13 TimingGearRearCover

14 CamshaftTiming Gear

15 Bolt-CamshaftTiming Gear 120+5

16 Bolt-Timing Tensioner 27+2.7

17 TimingTensioner

18 Bolt-Timing Idlerwheel 40+5

19 TimingIdlerwheel

20 ContactIdlerwheel

21 Bolt-ContactIdlerwheel 40+5

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

CHERY A21 SERVICEMANUAL MECHANISMOF2.0NALCENGINE

II. MAINTENANCE

1. Replace upperandlowercoversoftiming

belt

1.1 Neededtoolsandauxiliarymaterials

Allenwrench,10#,13#sleeve,ratchetwheel

andratchetrod.

1.2 Removal

1) Loosenthefiveboltsontheuppercover

withAllenwrench.

2) Removetheuppercoveroftiming belt.

3) Cliptheflywheelwithflywheeltool.

4) Removethecrankshaftpulleywith13#

sleeve.

FlywheelTool

PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

pouyapadid.com

09120539254

Table des matières

Autres manuels Chery Automobile

Chery

Chery Automobile Manuel utilisateur

Chery

Chery S18D Manuel utilisateur

Chery

Chery A11 2003 Mode d'emploi

Chery

Chery A21 2005 Manuel utilisateur

Chery

Chery Tiggo 2009 Manuel utilisateur

Chery

Chery A1 2009 Manuel utilisateur

Chery

Chery A113 Manuel utilisateur

Chery

Chery TIGGO Manuel utilisateur

Chery

Chery V5 Manuel utilisateur

Chery

Chery TIGGO Manuel utilisateur

Chery

Chery TIGGO Manuel utilisateur

Chery

Chery A1 2008 Mode d’emploi

Chery

Chery QQ6 Manuel utilisateur

Chery

Chery Tiggo 5 T21 Manuel utilisateur

Chery

Chery A5 2007 Manuel de service

Chery

Chery RIICH 2 series Manuel utilisateur

Chery

Chery Karry series Manuel utilisateur

Chery

Chery QQ6 Manuel utilisateur

Chery

Chery QQ6 Manuel utilisateur

Chery

Chery QQ3 Manuel utilisateur

Chery

Chery T21 2014 Manuel utilisateur

Chery

Chery QQ6 Manuel utilisateur

Chery

Chery SQR480ED Manuel utilisateur

Chery

Chery Automobile Manuel utilisateur

Manuels Automobile populaires d'autres marques

Toyota

Toyota 2000 Tundra Manuel utilisateur

CITROËN

CITROËN DS4 DSign Manuel utilisateur

Lexus

Lexus 2015 CT 200h Manuel utilisateur

Cadillac

Cadillac CTS 2008 Manuel utilisateur

Mercedes-Benz

Mercedes-Benz M-class ML 55 AMG Manuel utilisateur

Porsche

Porsche Boxster S Manuel utilisateur

GMC

GMC 2010 Savana 1500 Cargo Manuel utilisateur

KIAM

KIAM SPORTAGE 2014 Manuel de la liste des pièces

GMC

GMC 2013 Terrain Instructions de montage

GMC

GMC T-Series 1999 Manuel utilisateur

Mercury

Mercury 1998 Mystique Manuel utilisateur

Mercury

Mercury 2007 Mariner Manuel utilisateur

Mazda

Mazda 2007 Mazdaspeed 3 Mode d’emploi

Mazda

Mazda 2014 CX-5 Manuel utilisateur

GMC

GMC Chevrolet Express 2022 Manuel utilisateur

GMC

GMC 1997 Jimmy Manuel utilisateur

Chevrolet

Chevrolet 2012 Malibu Manuel utilisateur

Cadillac

Cadillac 2010 Escalade Manuel utilisateur