JUKI DSC-245 User Manual

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5. Besuretoturnthepoweroffandchecktobesurethatthemachineandmotorcompletelystopbeforere-
movingthebeltcoverandV-beltinordertopreventaccidentcausedbyabruptstartofthemachineormotor.
6. Ifaservomotorisusedwiththemachine,themotordoesnotproducenoisewhilethemachineisatrest.
Besurenottoforgettoturnthepoweroffinordertopreventaccidentcausedbyabruptstartofthemotor.
7. Neverusethemachinewiththecoolingopeningofthemotorpowerboxshieldedinordertopreventre
accidentbyoverheat.
Lubrication
1. BesuretouseJUKIgenuineoilandJUKIgenuinegreasetothepartstobelubricated.
2.
Iftheoiladheresonyoureyeorbody,besuretoimmediatelywashitoffinordertopreventinamma-
tionorirritation.
3.
Iftheoilisswallowedunintentionally,besuretoimmediatelyconsultamedicaldoctorinordertopre-
ventdiarrheaorvomiting.
Maintenance
1. Inpreventionofaccidentcausedbyunfamiliaritywiththemachine,repairandadjustmenthastobe
carriedoutbyaservicetechnicianwhoisthoroughlyfamiliarwiththemachinewithinthescopedened
intheinstructionmanual.BesuretouseJUKIgenuinepartswhenreplacinganyofthemachineparts.
JUKIassumesnoresponsibilityforanyaccidentcausedbyimproperrepairoradjustmentortheuseof
anypartotherthanJUKIgenuineone.
2. Inpreventionofaccidentcausedbyunfamiliaritywiththemachineorelectrical-shockaccident,besure
toaskanelectricaltechnicianofyourcompanyorJUKIordistributorinyourareaforrepairandmainte-
nance(includingwiring)ofelectricalcomponents.
3.
Whencarryingoutrepairormaintenanceofthemachinewhichusesair-drivenpartssuchasanaircyl-
inder,besuretoremovetheairsupplypipetoexpelairremaininginthemachinebeforehand,inorderto
preventaccidentcausedbyabruptstartoftheair-drivenparts.
4.
Besuretocheckthatscrewsandnutsarefreefromloosenessaftercompletionofrepair,adjustment
andpartreplacement.
5.
Besuretoperiodicallycleanupthemachineduringitsdurationofuse.Besuretoturnthe
poweroff
and
verifythatthemachineandmotorstopcompletelybeforecleaningthemachineinordertoprevent
accidentcausedbyabruptstartofthemachineormotor.
6.
Besuretoturnthepoweroffandverifythatthemachineandmotorstopcompletelybeforecarryingout
maintenance,inspectionorrepairofthemachine.(Forthemachinewithaclutchmotor,themotorwill
keeprunningforawhilebyinertiaevenafterturningthepoweroff.So,becareful.)
7.
Ifthemachinecannotbenormallyoperatedafterrepairoradjustment,immediatelystopoperationand
contactJUKIorthedistributorinyourareaforrepairinordertopreventaccidentthatcanresultinper-
sonalinjuryordeath.
8.
Ifthefusehasblown,besuretoturnthepoweroffandeliminatethecauseofblowingofthefuseand
replacetheblownfusewithanewoneinordertopreventaccidentthatcanresultinpersonalinjuryor
death.
9.
Besuretoperiodicallycleanuptheairventofthefanandinspecttheareaaroundthewiringinorderto
preventreaccidentofthemotor.
Operatingenvironment
1. Besuretousethemachineundertheenvironmentwhichisnotaffectedbystrongnoisesource(electro-
magneticwaves)suchasahigh-frequencywelderinordertopreventaccidentcausedbymalfunctionof
themachine.
2.
Neveroperatethemachineinanyplacewherethevoltageuctuatesbymorethan"ratedvoltage±10%"
inordertopreventaccidentcausedbymalfunctionofthemachine.
3. Besuretoverifythattheair-drivendevicesuchasanaircylinderoperatesatthespeciedairpressure
beforeusingitinordertopreventaccidentcausedbymalfunctionofthemachine.
4.
Tousethemachinewithsafety,besuretouseitundertheenvironmentwhichsatisesthefollowing
conditions:
Ambienttemperatureduringoperation 5°Cto35°C
Relativehumidityduringoperation 35%to85%
5.
Dewcondensationcanoccurifbringingthemachinesuddenlyfromacoldenvironmenttoawarmone.
So,besuretoturnthepoweronafterhavingwaitedforasufcientperiodoftimeuntilthereisnosign
ofwaterdropletinordertopreventaccidentcausedbybreakageormalfunctionoftheelectricalcompo-
nents.
6. Besuretostopoperationwhenlightningashesforthesakeofsafetyandremovethe
powerplugin
order
topreventaccidentcausedbybreakageormalfunctionoftheelectricalcomponents.
7.
Dependingontheradiowavesignalcondition,themachinemaygeneratenoiseintheTVorradio.Ifthis
occurs,usetheTVorradiowithkeptwellawayfromthemachine.
8.
Inordertoensuretheworkenvironment,locallawsandregulationsinthecountrywherethesewing
machineisinstalledshallbefollowed.
Inthecasethenoisecontrolisnecessary,anearprotectororotherprotectivegearshouldbewornac-
cordingtotheapplicablelawsandregulations.
9.
Disposalofproductsandpackagesandtreatmentofusedlubricatingoilshouldbecarriedoutproperly
accordingtotherelevantlawsofthecountryinwhichthesewingmachineisused.
– 17 –
2. Installation process
1) Fit spring
󱣍
over screw
󱣌
. In this state, x
feed bar hinge stud
󱢽
.
2) Attach feed driving pin
󱣋
in place.
3) Attach feed bar block A
󱣊
on feed bar oscil-
lating arm
󱢼
.
4) Attach feed bar block shaft
󱣇
on feed bar
󱢺
.
5) Attach feed bar block B
󱣉
in feed bar block
shaft
󱣇
using E ring
󱣈
.
6) Attach feed
󱣆
on feed bar
󱢺
with feed set-
screw
󱢻
.
7) Attach feed bar block shaft
󱣇
and feed bar
󱢺
on which feed
󱣆
has been attached in place
on feed bar hinge stud
󱢽
.
8) Install spring support shaft
󱢹
in place.
9) Tighten feed setscrew
󱢻
to allow the needle
to come just at the center of the needle hole
in the feed
󱣆
.
10) Top cover spring
󱣅
of the bed,feed bar shaft
cover
󱢸
and screw
󱢷
of the feed bar shaft
cover
󱢸
in place.
11) Fix top cover
󱣄
of the bed by tightening
screw
󱣃
in the top cover of the bed.
12) Attach throat plate
󱣂
in place and x it using
screw
󱣁
of the throat plate.
13) Install presser foot (asm.)
󱢿
and walking foot
󱣀
in place.
(Caution)
1
．
The parts attached with an asterisk ( * ) are the exclusive parts for the DSC-245V-4 or -7.
2
．
The feed driving pin has engraved marker lines. Use the pin which has many marker lines to raise the feed dog,or
use the pin with less marker lines to lower it.
Note No. Part No. Part Name Q'ty Remarks
22 B15242450A0 Presser foot (asm.) 1
23 B1470245000 Walking foot 1
24 SS2110915SP Screw in throat plate 2 11/64 40 thread ridges, L=8.5
25 B1105245000 Throat plate 1
* D1105245E00 Throat plate 1
26 SS2090710TP Screw in top cover of bed 1 9/64 40 thread ridges, L=7
27 B1173245000 Top cover of bed 1
* D1173245E00 Top cover of bed 1
28 B1175245000 Spring of top cover of bed 1
29 B1613245000 Feed 1
* D1613245E0A Feed 1
30 B1645245000 Feed bar block 1
31 RE0300000K0 E ring 1
32 B1644245000 Feed bar block B 1
33 B1643145000 Feed bar block A 1
34 B163224500C Feed driving pin 1 Selective part (caution 2)
35 B1641245000 Feed bar hinge stud screw 2
36 B1642245000 Feed bar hinge stud screw spring 2
List of parts to be replaced
Part No. B163224500A B163224500B B163224500C B163224500D B163224500E
Length(mm) 5.7±0.05 5.9±0.05 6.1±0.05 6.3±0.05 6.5±0.05
Number of marker lines 1 2 3 4 5

JUKI DSC-245 Specifications

General

Brand	JUKI
Model	DSC-245
Category	Sewing Machine
Language	English