MSK-1341B Industrial Sewing Machine INSTRUCTION MANUAL
1.Br i e f i n t roduct i o n This cylinder bed sewing machine adopts single needle,slide type thread take-up lever,and vertical large hok.Upper and lower shafts are driven by synchronized toothed belt. Compound feed by feed dog,needle and walking foot;and high presser foot stroke and lifter assure its high sweing heavy ability and easy for sewing multilayer leather and uneven materials.Safety clutch device also assures safe operation . Its widely used for sewing leather products,suitcases, shoes ad caps.
5.Lu b r i c ation ( F i g .2) 1.Before running,please fill the oil at the places as arrow shown. 2.Lubricating the hook and hook shaft saddle. Move the bed slide,fill the oil int the hole A two or three drops every day,fill the oil into the felt B four or five drops. 3.Lubricating the feed dog support Before running,please fill the oil into holes C,D,E two or three drops. B E A C 6.In s t a l ling t he t hr e a d s t a nd(Fi g .
7.Installing the belt cover and bobbin winder(fig.4、5) 1.Install the belt cover support column ① into the screw hole; 2.Install the belt cover support plate ② on the machine casting; 3.Install the belt cover ③ on the belt cover support column ① and the belt cover support plate; 4.Install the bobbin winder ⑥ into the cover ③ and adjust it to the proper position; 5.Fix the bobbin winder ⑥ on the table; 6.Install the V-belt on the hand wheel,the n install the belt cover ④ and belt cover ⑤ .
9.In s t a l ling t he b ob b i n c a s e(Fig . 7 ) 1.Open the hook cover,put the bobbin and bobbin Case into the hook; 2.put the bobbin case on the hook driving shaft,then lay down the hook cover. 10.W i n d i ng t he b obbi n t h r e a d(Fig . 8 ) 1.T hre ad as fol low ing ord er A,B ,C, the n win d the thr ead aro und bob bin sev era l cir cle s; 2.P res s dow n the bob bin pre ss pla te ① ,th e win din g pul ley wil l be tou che d wit h the V-b elt ; 3.
12.T h r e a ding t he n ee d l e t h r ead(f i g . 1 0) Position the needle bar on its highest,draw the thread from the thread stand and thread as shown order according to Fig.10. ① ④ ⑦ ⑨ ⑧ ② ③ ⑩ ⑥ ⑤ 13.A d j u s ting t he s ti t c h l e n gth(F i g . 1 1) Turn the stitch dial counter-clockwise or clockwise to adjust the stitch length. The figure on the dial is the stitch length.(mm) Reverse feed stitching 1.Press the feed leaverdownward; 2.
15.T h r e a d t ake-up s p r i n g (fig. 1 3 ) 1. Ad ju st in g th e th re ad ta ke -u p sp ri ng ① st ro ke a. Lo os en th e sc re w ② ,a nd mo ve th e di sc ③ le ft wa rd or ri gh tw ar d; b. Mo ve th e di sc ri gh tw ar d to in cr ea se th e sp ri ng st ro ke ,c on tr ar y, to de cr ea se th e sp ri ng st ro ke . 2.
18.A d j u s ting t he h ei g h t o f f e e d d o g(Fig . 1 6 ) The standard position of feed dog ① is 1mm higher than the surface of throat plate ② . Please adjust it as folowing order according to sewing requirement or after change a new feed dog: 1.Please confirm the highest position of feed dog; 2.loosen the screw ③ ; 3.The height can be adjustd by turning eccentric pin(P22). 4.After the requred height is got, tighten the screw ③ . ① ② 1 mm ③ 19.A d j u s ting t he n ee d l e a n d h o ok(Fig .
20.A d j u s ting t he n ee d l e g u a rd p late( F i g .18) After changing hook , please confirm the position of needle guard plate. The standard position of needle guard plate is that needle guard plate ② is touched with the flank side of needle ① slightly, if not,bend the plate and adjust the position: 1.If the needle guard plate bends inward, please a djust the plate outward with a screwdriver; 2.If the needle guard plate bends outward,please adjust the plate inward with a screwdriver; ① 0~0.
23.S a f e t c l utch d evi c e ( F .21) If the hook blocks the thread when running ,the safety clutch device will work, which make the lower timing pulley rotate without load. 1.Restore as following order: a.clean the thread blocked in the hook; b.Press the button ① and turn the hand wheel at reverse direction. 2.Adjusting the force of safety clutch: Turn the screw ② clockwise(A direction) to increase the force, contary, turn the screw counter-clockwise(B direction)to decrease the force. ① ② B A 24.
25.T r o u b le s hooti n g Trouble 1.Thread breakage (thread wear and tear) Causes ④ collision between needle and hook guide tip. Get rid of the burr on the hook blade tip and polish the thread passing groove on the throat plate with fine emery cloth. Adjust the needle thread to proper tension. Decrease the clearance,refer to21. Adjusting the inner hook guide. Rdfer to 19. Adjusting the needle and hook. ⑤ Too small needle thread tension. Adjust the needle thread to proper tension.
1.
1.Casting components Ref.NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Parts No.
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2.Upper shaft and thread take-up lever components Ref.NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Parts No.
3.Needle bar and hook driving shaft components 1 2 4 15 14 5 13 9 8 10.11.12 17 16 29 18 7 3 6 19 30 34 22 31 23 36 25 35 59 32 33 24 28 20 21 63 27 62 41 26 37 37 38 38 39 58 49 40 42 57 61 54 43.44.45.46.
3.Needle bar and hook driving shaft components Ref.NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Parts No.
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4.Presser foot components Ref.NO. Parts No. Name of parts Qty.
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5.Upper feed mechanism components Ref.NO. Parts No. Name of parts Qty.
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6.Lower feed mechanism components Ref.NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Parts No. 55WF3-044 55WF3-045 50WF3-017 50WF3-046 J0.0.
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7.Thread thnsion components Ref.NO. Parts No. Name of parts Qty.
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8.Belt cover and bobbin winder components Ref.NO. Parts No. Name of parts Qty.
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9.Knee lifter components Ref.NO. Parts No. Name of parts Qty.
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10.Accessories Ref.NO. Parts No. Name of parts Qty.
CONTENTS Operation instruction 1.Brief instruction..............................................1 2.Main specification..........................................1 3.Operation preparation..............................................1 4. In st al li ng th e kn ee li ft er me ch an is m. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .1 5.Lubrication.................................................2 6.Installing the thread stand..............................................2 7.
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