Shop manual máy đào KOBELCO SK210 - P25

tập đoàn sản xuất máy xây dựng Kobelco đã giới thiệu mẫu xe đào – SK210. Với loại xe đào mới này, lực đào, hiệu suất máy, điều kiện làm việc cho người điều khiển cũng như độ tin cậy của m

$K200(LC)Ⅶ $K2劫(LC)Ⅶ $Kさ20(LC)Ⅶ

$K210(LC)Ⅶ SK2抑(LC)Ⅶ $K謝(LC)Ⅶ

SK200(LC)Ⅶ

SK210(LC)Ⅶ

●

SK230(LC)Ⅶ

SK250(LC)Ⅶ

SK250NLCⅦ ●SK320(LC)ⅦSK330(LC)Ⅶ

SK330NLCⅦ

15-10 ●Correctiveactionwhenerrorinequipmentisdisplayedafterselfdiagnosis.

(UndertheconditionwheretheCPUinthemechatrocontroIlerisnormaI)

1

mechatro

COntrOIIer

AfterthekeyisturnedON,isthere24VinputsignalonLineNo.60,White/blue.Checktheconti-nuityoflineNo.51ingreen,1ineNo.51inredandlineNo.51inwhite,andalsocheckthe20Afuse

OfNo.1forbeingblownout.CheckthedisconnectionforlineNo.770inred

2

■■

RecelVmg

errOr

①FaiIureofharnessbet㌣eenCOntrOIIer

andc山ster(Short-ClrCuit′etC.)

Checkonline

CheckthecontinuityacrossthelineNo.582inwhite

Ifthereisnoproblem,replacecluster

Checkonline

③Short-Circuitintheinsideofrelay Detectedonly

Replacerelay

CheckonIine

FewfailurescausedbyNo.①and②areactuallydisplayed.(Theconditionswhenthebattery

relayisdeexcitedorthepowerissuppliedtothecontrollerarenotsatisfied,butitmaybecaused

bythefailurewhentheengineisrotatingandthebatteryrelayisdeexcited.)

Measuretheresistancebetweencoilsoftherelay,汀theresistanceislow(0.5norless)replaceit,

汀theresistanceissufflicientcheckthepowersupplysidetothecoilofmainharnessforshortcir-Cuit.Ifitisnotshort-Circuited,replacethecontrouer

data

●

Adjustit (WhenrepIacin9COntrOl暮er) Withnewcontroller

Adjustitfirst.げthedisplaydoesnotcancel,replacethecontroller.

5

MaIadjustment

Ofmechatro

COntrO暮Ier

AdJuStitrirst.IftheGISplaydoesnotcancel,replaCethecontroller

SK200(LC)Ⅶ $K2劫(LC)Ⅶ $K320(LC)Ⅶ

SK210(LC)Ⅶ SK250(LC)Ⅶ $K3劫(LC)Ⅶ

6

;

20

Fai山reof

PreSSure

SenSOr

①Failureofharnessbetweencontroller

〈Disconnecttheconnectorofthispressuresensor′andconnectitwithothernormalpressuresensor〉

1.Iftheerroriscontinuouslydisplayed,itmaybecausedbythefailureofNo.①(No.③

rarely),SOCheckthecontinuityofsensor血e(powersupply,琶rOunding,Signal)andif

thereisnoproblemaftercheckingofcontinuityandtheerrorlSnOtCanCeled,replacethe

controller

2.Theerrordisplayofthissensoriscanceled,andiftheerrorofthechangedsensoris

+二八仙1〈 〈+ 二⊥

仙〈■▼L〈 〈〈‥〈〈+ L_▼ ⊥L〈 ∫〈二1‥仙〈 〈r ヽ丁〈/乍ミヽ 〈〈

〈"1〈〈〈 ⊥L〈 八〈"{〈 ′⊥L▲

▲_一 ▲ 二山 u⊥bp⊥ayCuI⊥し111a･y UC UaubCu U)/し11C⊥a⊥⊥u⊥￣C U⊥1ヽU･し皇ノbU⊥▼C上J⊥aUCし11C bCl止ゴU上▼しし11C C上'上'U上■⊥b

displayed,first)withnewone.

21

;

26

●■

RecelVln9errOr

Ofproportionat

Valve

①Failureofharnessbetweencontrotlerand PrOPOnionalvalve(Disconnection.etc.)

Checkonline

〈Pullouttheconnectoroftheproportionatvalve.andreplaceitwithothernormatly-OPeratingone〉

rチrely),SOCheckthecontinuityofharness,andifthereisnoproblemaftercheckingofcon-tlnulty,replacethecontroller

valveisdisplayed,itmaybecausedbythefailureNo.②,SOreplacetheproportionalvalve

(theerrorisdisplayed,first)withnewone.

Reference:Forthefailureofproportionalvalve′iftheresistanceis17.5(つormore′itisnormal

27

;

29

Errorof

Checkonline

Whendeexcited

Replace SOlenoidvalve

CheckonIine

〈Whentheerror戸PPea｢SOnlywhendeexcited〉

MeasuretheresIStanCeOfcoilorthesolenoidvalve,and汀thereadinglSinfinity,replacetheso-1enoid､ralve･Ittheてeヲistanceisnorma(34n),Checktheharness什omcontrouertosolenoid

Valvef10rShortcircultlng.Iflthedispla)7Stillremains,replacethecontrouer

〈WheR紬eeFFOFaPPeaFSOR;y榔heReXe托ed〉

九4easuretheresistanceof､coilorthesolenoidval＼re.汀thereadinglSlowerthanthespecified

Value,replacethesolenoidvalve,andiritisright,Checkonthelineusedtosupplythepowerto

thesolenoidvalveof-mainharnessforgroundingandshortcircuiting

Arterthechecking,汀theerrordisplaystillremains,replacethecontrouer

〈Whentheerrorappearswhenexcitedanddeexcited〉

Replacethecontroller

$K200(LC)Ⅶ $K2劫(LC)Ⅶ $Kさ20(LC)Ⅶ

$K210(LC)Ⅶ $K2甜(LC)Ⅶ $Kお0(LC)Ⅶ

30

Governor

motorcurrent

errOr

(彰FaiIureofharnessbetweencontro=即and

90VernOrmOtOr(Disconnection′etC.)

Checkonline

Reptacegover-normotor

Makesureofthecontinuityoftheharnessbetweenthecontrollerandthegovernormotor

IfthecontinuitylSnOrmal,replacethemotor

Afterthatiftheerrorstillremains,replacethecontrouer

(むFailureofharnessbetweencontrollerand governormotor(Disconnection.etc.)

31

Governor

POintindexlng

fait

mechanism

First,makesureifthedisplayappearsornotafterdisconnectionoflink.汀thedisplaydisappears,

readjustthelink.ItthedisplaylSnOtCanCeled,remOVe4Pconnectorsofgovernormotor,andturn

themotorbyhand,andcheckthatthelimitswitchlineonthemotorsideisswitchedON/OFF

throughtheservicediagnosis

Ifthemotorsideisnormal,Checkthecontinuityofharnessofl血efromthecontrollertothemotor

hmitSWline.ItthecontinuitylSaCCeptable,replacethecontroller

l

SenSOrerrOr

SenSOrgaP

③Faitureofharnessbetween

COntrOlterandalternator

12Vormore

■ eveniftheengIne isnotstarted

Checkonline

〈Whentheerrorisdisplayedevenwhentheen9ineisnotstarted〉

Checkthatthevoltageof12VormoreisnotappliedonthealternatorLterminalline

Whenthevoltageof12Vormoreisnotapplied,replacethecontroller･

〈tnothercases〉

Displa)7theactualspeedduringtheservicediagnosis,andshiftthethrottlefrom/toLOW

to/fromHIGH.If-thedisplayedspeedisextremelydeviated,adjustitforthegap.

IfthegaplSnOtrepalred,replacethesensor･

If-thegaplSStillnotrepalred,replacethecontroller

33

Acce暮

POtentiometer

e｢rOr

①FaiIureofharnessbetweencontroIler

POtentiometer

t念Fa‖ureofcontroIlerinternal Circuit(A/Dvalueinputsection)

Replace COntrO暮ter Checkthattheresistancebetweentheslgnallineorpotentiometerandgroundingl血eisswitched

●

血therangeofwholeresistance(100n∼1.9kn).

Ifthepotentiometerisnormal,Checktheharnessbetweencontrollerandpotentiometerfortheex-istenceofcontinuity

IfthedisplaylSStillnotcanceled,replacethecontroller