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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for DWK-1803D

Page 1: ...MANUAL DWK DWK DWK DWK DWK DWK DWK DWK DWK DWK DWK DWK DMM DMM DMM DMM 1802D 1803D 1804D 1802F 1803F 1802EMK 1803EMK 1802EM 1803EM 1802DE I803DE 1842 2202FA 2202DA 2203FA 2203DA From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...needle ORGAN D7 45 14 14 or SCHMETZ 13 63 3 Needle gau e 1 8 5 2 3 16 7 32 ud 1 4 6 Needle bar stroke 3lB a 7 Feed oeehanisa Differential feed syatea Standard stitching length 6 1 12 r 9 Lubrication Full automatic oiling system 10 Hotating speed of this kind aachine on 60hz About 4 500 RIM Dwk ie Diyk 63 MK DWk lQT i Mk I Dwk ld4 DVi K 163 A From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...ne RIM and motor pulley size is as following Table 1 Please select the motor pilley according to RAl H P M marneter of motor nullev ijOEz bOHz 4 0 105 90 4 000 95 80 3 500 a5 70 Table 1 Hcture Mo A The changing of the needles Since the needle and looper has the close relation please be care in changing Uie needles The not correct setting of needle causes not only tne mis etitching and cutting thre...

Page 4: ...e red lines of the oil gauge 3 Please check whether the oil jets to siphons case and the lubrication is done smoothly and completely Pitting out the oil Please put out the oil after loosening the screw at the bottom of the oil pan Notice 1 Please never fail to check the oil gauge and maintain the enough oil before starting the machines 2 Please use the genuine oil and high quality oil for sewing m...

Page 5: ...psrating ths tsntion disc In turning ths tsntion disc to countsrclockwiss ths tsntion bsconss wsaksri and turning it to cloclcwiss ths tsntion bscomss atrongsr Pioturs No 7 Ths synchronization of ths nssdls bar and loopsr Plsaas rsfsr to ths Pig 5 and 6 Tns distancs 103bub is caussd at ths tins whsn ths loopsr livsr works to its sztrsBs right snd thsn it stops Fi3 S From the library of Superior Se...

Page 6: ...ra lo Tha adjiustaant of naadla bar hai tW is to ha naadla bar haight pXaasa rafar to tha Tabla 2 1 Rotating tha pollayi aftar putting tha naadla bar to uppar end position and than loosen e needle bar holder soraw i in Fig 9 2 ir tha time whan tha naadla bar is fall please select tha setting angle so that tha needle can enter to tha canter of needle hole of needle plate acourately turning tha naad...

Page 7: ...t decided please operate the looper driving shaft B in Pig 5 I turning it to counterclock wise the looper working aigainst the needle becomes slower and turning to colckwise it becomes faster 4 It is necesaary to take the distance 10300 from the center point A of the looper to the center point B of the driving lever when the looper locates at its extrema ri t end as indicated in Pig 6 3 After oper...

Page 8: ... K in Pig 6 2 At the time when looper moves from its right position to left and looper passes the back of the right needle please ad just the distance within O loim between the needle and the top of looper as ind cated in Fig 14t by moving the looper rocker to front or rear 3 This time the needle starts to move from its upper end to its lower end when the looper starts to move from its extreme rig...

Page 9: ... loodlag K ov s do adjusting as foilovs 1 Por tho adjustaoat of dlffbroatlal food looooa tho connoctlng crank nut J la Pig 16 I ho dlfforsBtlal food boooaoa longor if tbo conaoctlag oranh Is rltod to upwards aad It will bo aaallor If tho eonnootlng orank is put to downwards 3 Tho adjustaont of foodiag should bo adjustod by oporatlng tho food adjusting nut C in Pig 16 This out will bo loeooaod If t...

Page 10: ...double disc take up is adjusted at the time wnen the 1coper coiBea to its extreme left position Please do adjusting referring to the followings To take the setting position for needle thread double diao take up please set the distance for ti Omm Omm from the surface of cast off support plate as in dicated in Fig 18 When the needle bar is at its upper end position For setting please adjust correctl...

Page 11: ...exirface of needle plate alee can be taken at the same time when the spreader is at its upper end poei tion The adjustment 1 Loosen the spreader screw ie in Fig 23 2 Please operate the screw K and tig hten the screw d when the diatanoe from the base of spreader to the s urface of needle plate is measured B OaiB 9 0iBB as indicated in Fig 23 3 Turning the pulley by loosening the upper covering brac...

Page 12: ...r shaft eccentric B in fig 23 is turned to counters clockwise the synchronization will be faster and turned to clockwise it will be slower i Z1E_ B The working of tne upper covering l eaee do the adjustment of the working of upper covering as follows 1 Please remove the crank chamber oil cover 2 And loosen the connecting ball joint nut fi in Fig 2f 3 The working will be lesser if the connecting ba...

Page 13: ...fsrrin to th follow 1 Fl aa turn th K in jrig 27 to l ft 2 Th f dlng will be larger if th co nnecting ball joint io turned to l ft and is turned to right the feeding wxil be smaller tighten turning the connecting ball joint to clockwise Fi 7 From the library of Superior Sewing Machine Supply LLC ...

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