卡特320d发动机c64中文资料.docx

上传人:b****7 文档编号:9662924 上传时间:2023-02-05 格式:DOCX 页数:55 大小:533.31KB
下载 相关 举报
卡特320d发动机c64中文资料.docx_第1页
第1页 / 共55页
卡特320d发动机c64中文资料.docx_第2页
第2页 / 共55页
卡特320d发动机c64中文资料.docx_第3页
第3页 / 共55页
卡特320d发动机c64中文资料.docx_第4页
第4页 / 共55页
卡特320d发动机c64中文资料.docx_第5页
第5页 / 共55页
点击查看更多>>
下载资源
资源描述

卡特320d发动机c64中文资料.docx

《卡特320d发动机c64中文资料.docx》由会员分享,可在线阅读,更多相关《卡特320d发动机c64中文资料.docx(55页珍藏版)》请在冰豆网上搜索。

卡特320d发动机c64中文资料.docx

卡特320d发动机c64中文资料

C4.2andC6.4EnginesforCaterpillarBuiltMachines

EngineDesign

SMCS—1201

(A)排气门

(B)进气门

缸径...102mm(4.02inch)

冲程...130mm(5.12inch)

排放...6.4L(389cuin)

缸体排列方式...直列式

每缸气门数...4

为了检查发动机气门间隙,发动机必须停止和冷却。

发动机气门间隙

进气...0.25mm(0.010inch)

排气...0.40mm(0.016inch)

燃烧类型...直接燃烧

点火顺序...1-5-3-6-2-4

曲轴旋转的方向从飞轮往发动机直视

曲轴旋转方向......逆时针

注意:

从风扇端往飞轮端看发动机左端和右端,最前面的是1缸。

燃油喷油油路

接触高压燃油可能会导致渗透和烧伤.高压燃油喷射会导致火灾。

未遵守这些检查,维修和服务指示,可能会导致人身伤害或死亡。

(1)两头螺母扭矩...41±5N·m(30±4lbft)

(2)12颗螺丝扭矩...17.0±1.7N·m(150±15lbin)

(3)4颗螺丝扭矩...9±1N·m(80±9lbin)

(4)螺丝的扭矩...8.5±0.5N·m(75±4lbin)

(5)扭矩...25.0to27.5N·m(220to245lbin)

(6)4颗螺丝扭矩...34±4N·m(300±35lbin)

(7)6颗螺丝扭矩...15±2N·m(130±18lbin)

(8)2颗接头扭矩...25.0to27.5N·m(220to245lbin)

燃油喷油泵

1)电磁阀组件扭矩...70±5N·m(50±4lbft)

(2)2个堵头扭矩...60±6N·m(44±4lbft)

(3)堵头扭矩...15±2N·m(11±1lbft)

(4)使用以下步骤去拎紧螺丝:

1.螺丝拧紧到5N·m(45lbin).

2.拧螺丝角度到18.8±1.0度.

3.最后螺丝扭矩12±2N·m(105±18lbin).

(5)安装之前,用干净的机油去润滑这三个密封.

(6)两个堵头扭矩...40±3N·m(30±2lbft)

(7)这个螺丝扭矩...12±3N·m(105±27lbin)

(8)这个螺丝扭矩...9±1N·m(80±9lbin)

(9)5个螺丝扭矩...30±2N·m(22±1lbft)

(10)使用下面步骤去拎4颗螺丝:

1.螺丝拧紧到5N·m(45lbin).

2.拧螺丝角度到19.9±1.0degrees.

3.最后螺丝扭矩12±2N·m(105±18lbin).

(11)接头扭矩...25.0±2.5N·m(18±2lbft)

(12)接头扭矩...25.0±2.5N·m(18±2lbft)

(13)接头扭矩...25.0±2.5N·m(18±2lbft)

(14)接头扭矩...25.0±2.5N·m(18±2lbft)

喷油嘴

(2)夹具

(3)O型密封圈

(1)这个螺丝扭矩...29±3N·m(21±2lbft)

燃油滤芯座

(1)两个螺丝的扭矩...32±3N·m(285±27lbin)

(2)两个螺丝的扭矩...8.8±1.0N·m(80±9lbin)

摇臂轴

(1)Boreinrockerarmbushingforshaft...24.949to24.975mm(0.9822to0.9833inch)

(2)Diameterofrockerarmshaft...24.915to24.928mm(0.9809to0.9814inch)

Clearanceofrockerarmbushingandshaft

Minimum...0.021mm(0.0008inch)

Maximum...0.060mm(0.0024inch)

(3)Aligntheoilholesinrockerarmbushing(4)withtheoilholesintherockerarmwhentherockerarmbushingisreplaced.

(5)Torqueforsixbolts...18±2N·m(13±1lbft)

(6)Torqueforsixbolts...18±2N·m(13±1lbft)

(7)Torqueforbolt...74±5N·m(55±4lbft)

Turnthecrankshaftuntilthetimingmarkonthecrankshaftpulleyisalignedwiththepointeronthetiminggearhousinginordertoadjustthevalvelash.BoththeNo.1inletvalveandtheNo.1exhaustvalvepushrodsmustnotbeintensionagainsttherockerarms.

Inletvalvelash...0.25mm(0.010inch)

Exhaustvalvelash...0.40mm(0.016inch)

ValveMechanismCover

(1)Torquefor25bolts...18±2N·m(160±18lbin)

(2)Torquefor18bolts...17±2N·m(150±18lbin)

(3)Torqueforeightbolts...8.8±1.0N·m(80±9lbin)

CylinderHeadValves

(A)Diameterofthevalvehead

Inlet...34.5mm(1.36inch)

Exhaust...27.5mm(1.08inch)

(B)Diameterofthevalvestem

Inletvalve...6.6mm(0.26inch)

Exhaustvalve...6.6mm(0.26inch)

(C)Lengthofthevalve

Inletvalve...144.0mm(5.67inch)

Exhaustvalve...144.0mm(5.67inch)

 

(D)Widthofthevalveseat

Inlet...1.0mm(0.039inch)

Exhaust...1.2mm(0.047inch)

(E)Angleofvalveseatface

Inlet...30degrees

Exhaust...45degrees

CylinderHead

(1)Dimensionforthecylinderhead

Useastraightedgeandafeelergaugetocheckthecylinderheadforwarpage.

Flatnessofthecylinderheadovertotalspan...0.05mm(0.002inch)

Resurfacethecylinderheadifthewarpageexceedsthefollowingvalue....0.20mm(0.008inch)

Gasketthicknessofcylinderhead...1.70±0.05mm(0.067±0.002inch)

Note:

Therepairlimitofthecontactsurfaceofthegasketandtherepairlimitofthecylinderblocksurfaceis0.20mm(0.008inch).

Note:

Putcleanengineoilonthethreadsofthecylinderheadbolts.

Tightenthebolt1throughbolt26inthenumericalsequencethatisshowninIllustration2to137±5N·m(100±4lbft).

ExhaustManifold

(1)Torquefor13nuts...18±2N·m(13±1lbft)

Camshaft

1)Maximumpermissibletemperatureofthecamshaftgearforinstallationonthecamshaft...250°C(482°F)

NOTICE

Donotuseatorchtoheatthegear.Atorchcanunevenlyheatthegearcausingwarpage.Thehardnessofthegearmayalsobechangedwiththeuseofatorch.

(A)Diametersofcamshaftjournals

Table1

NumberofJournal

StandardDiameter

ServiceLimit 

(1)

1,2,3

53.94to53.96mm(2.124to2.124inch)

53.90mm(2.122inch)

4

52.94to52.96mm(2.084to2.085inch)

52.90mm(2.083inch)

( 1 )

Theservicelimitisthemaximumdimensionortheservicelimitistheminimumdimensionthatisspecifiedforapart.Replacethepartiftheservicelimitisreached.

(2)Torquefortwobolts...12±2N·m(105±18lbin)

Usethefollowingprocedureinordertodeterminethecamshaftlobelift:

1.Measurethecamshaftlobeheight(C).

2.Measurethebasecircle(D).

3.SubtractthebasecirclemeasurementinStep2fromthecamshaftlobeheightinStep1.Thedifferenceistheactualcamshaftlobelift(B).

(B)Specifiedcamshaftlobelift

Exhaustlobe...7.463mm(0.2938inch)

Inletlobe...6.154mm(0.2423inch)

Servicelimitforlobeliftforexhaust...6.963mm(0.2741inch)

Servicelimitforlobeliftforinlet...5.654mm(0.2226inch)

Note:

Replacethecamshaftiftheservicelimitforthelobeliftisreached.

Note:

Useadialindicatorandblocksinordertodeterminetherunoutofthecamshaft.Takeonehalfofthedialindicatorreadingastherunout.

(3)Maximumpermissiblerunoutforcamshaft...0.04mm(0.002inch)

(4)Measurethecamshaftbearingwithadialindicator.Subtractthediameterofthecamshaftjournalinordertogivebearingclearances.RefertoTable4fortheclearancebetweenthecamshaftjournalsandthebushings.

Table2

NumberofJournal

StandardDiameter

RepairLimit 

(2)

1,2,3

0.04to0.09mm(0.002to0.004inch)

0.15mm(0.006inch)

4

0.040to0.119mm(0.0016to0.0047inch)

0.15mm(0.006inch)

( 2 )

Therepairlimitisthemaximumdimensionortherepairlimitistheminimumdimensionthatisspecifiedforapart.Repairthepartiftherepairlimitisreached.

EngineOilPump

1)Drivengearassembly

(2)Drivegearassembly

(5)Spindle

NOTICE

Beforeoperation,thepumpmustbelubricatedwithcleanengineoilandthepumpmustturnfreelybyhandordamagetopartscanbetheresult.

Note:

Theminimumacceptableoilpressureatlowidleis98kPa(14psi).

Heattheoilpumpgear(3)to180to220°C(356to428°F)andsupporttheendofthedrivegearshaftinordertoinstalltheoilpumpgear.Presstheoilpumpgearuntiltheoilpumpgearisflushwiththeendoftheshaft.

NOTICE

Donotuseatorchtoheatthegear.Atorchcanunevenlyheatthegearcausingwarpage.Thehardnessofthegearmayalsobechangedwiththeuseofatorch.

Thebacklashbetweentheoilpumpgear(3)andtheidlergear(4)isthefollowing....0.100to0.190mm(0.0039to0.0075inch)

Note:

Replacethegearsifthebacklashexceeds0.35mm(0.014inch).

Note:

Theoilpumpgearandthedrivegearassemblyarenotserviceableiftheoilpumpgearisremoved.

(6)Housingforoilpumpgear

Maximumdistancebetweentheoilpumpgearassemblyandtheoilpumphousing

Distanceabovethehousing...0.020mm(0.0008inch)

Distancebelowthehousing...0.034mm(0.0013inch)

Note:

Theservicelimitoftheoilpumpgearassemblyis0.150mm(0.0059inch)belowtheoilpumphousing.

Note:

Measuretheclearancebetweentheoilpumpgearsandtheoilpumphousingwithafeelergauge.

Clearancebetweentheoilpumpgearsandtheoilpumphousing...0.050to0.098mm(0.0020to0.0039inch)

Note:

Theservicelimitoftheoilpumpgearassemblyis0.10mm(0.004inch).

Measuretheinsidediametersoftheboresoftheshaftsinthecover(8)andtheoilpumphousing(7).Measuretheboresoftheshafts.Theclearancebetweenthegearshaftsandtheoilpumphousingandcover...0.04to0.07mm(0.002to0.003inch)

Note:

Replacetheoilpumpgearassembly,thecover,ortheoilpumphousingiftheclearanceexceedstheservicelimitof0.15mm(0.006inch).

Note:

Replacethedrivegearanddrivengearasanassembly.

(A)Idlergearbushing

Insidediameterofidlergearbushing...25.000to25.021mm(0.9842to0.9851inch)

Maximumdiameterofidlergearbushingforoilpump...25.059mm(0.9866inch)

(B)Spindle

Diameterofspindle...24.939to24.960mm(0.9818to0.9827inch)

Minimumdiameterofspindleforoilpump...24.901mm(0.9804inch)

(9)Torqueforbolts...35±6N·m(26±4lbft)

EngineOilBypassValve

(1)Torquefornut...44±5N·m(32±4lbft)

(2)Torqueforreliefvalveassembly...49±5N·m(36±4lbft)

Thevalveopensatthefollowingpressure....350±50kPa(51±7psi)

EngineOilPan

(1)Torqueforthebolt...32±3N·m(24±2lbft)

(2)Torquefor38bolts...18±2N·m(13±1lbft)

(3)Torqueforthevalve...49±5N·m(36±4lbft)

(4)Torquefortheplug...83±10N·m(60±7lbft)

Note:

Apply154-9731ThreadLockCompoundtothethreadsofthebolts.

(5)Torqueforfourbolts...30.0±1.5N·m(22±1lbft)

WaterTemperatureRegulator

Starttoopentemperatureofthewatertemperatureregulator...71±2°C(160±4°F)

Thevalveliftsmorethan10mm(0.4inch)atthefollowingtemperature....85°C(185°F)

WaterPump

(2)Shaft

Thepressfitbetweentheshaftandtheflange(3).

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 经管营销 > 财务管理

copyright@ 2008-2022 冰豆网网站版权所有

经营许可证编号:鄂ICP备2022015515号-1