Singer 300W203 Instructions Manual Download Page 1 | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for 300W203

Page 1: ...G MACHINES 300wl03 and 300w203 Machine 300w203 Special atlenlion is called to the lubricolinQ itistructions on pages 6 and 7 THE SINGER MANUFACTURING COMPANY A Trademark of THE SINGER MANUFACTURING CO...

Page 2: ...Copyright 1958 by The Singer Manufacturing Company From the library of Superior Sewing Machine Supply LLC...

Page 3: ...ng pressers comprising on upper feeding foot and lifting presser foot carry the work forward in unison with the needle in the material insuring powerful positive and even feeding of two or more plies...

Page 4: ...r Assembled for Operation of Class 300w Machine Assemble thread unwinder as shown in Fig 3 Fig 3 Thread Unwinder Assembled Fig 3A Foot Lifter Lever Connect foot litter treadle to foot lifter lever L5...

Page 5: ...and hanger so that distance between centers of rubber bushing holes of right and left hangers is 17 3 16 Place four rubber insulating bushings C in hanger holes as shown in Fig 5 When necessary to lev...

Page 6: ...irs CAUTION Use TYPE D OIL sold by Singer Sewing Machine Company See inside front cover for description of this oil THE MACHINE MUST BE OILED AS INSTRUCTED BELOW AND ON THE FOLLOWING PAGE FAILURE TO D...

Page 7: ...s looper rocker sleeve presser lifting mechanism and looper pull out rack A MACHINE IN DAILY USE MUST BE OILED AS FOLLOWS Fill arm shaft oil reservoir D Fig 6 approximately 6 shots of oil Fill bed sha...

Page 8: ...e toward you and turn balance wheel over toward you until needle bar isat its highest position Move loopers out of sewing position by pulling rod H Fig 11 out 1 4 and gear rack button G Fig 11 as far...

Page 9: ...Threading Take up for LONG Needle Loop NOTE To change formation of stitching from a short needle loop to a long needle loop decrease tension on needle threads and pass both looper threads over one arm...

Page 10: ...Turn balance wheel over toward you until needle bar Is at its highest position To thread needles pass thread through threading points in the order shown in Figs 16 17 and 18 Dotted line indicates thr...

Page 11: ...g 18 Needle Threoding 11 eaosrs i Fig l7 Needle Threading Draw about two inches of thread through eye of each needle with which to commence sewing From the library of Superior Sewing Machine Supply LL...

Page 12: ...sed is determined by the size of the thread which must pass freely through the eye of the needle Rough or uneven thread or thread which passes with difficulty through the eye of the needle will interf...

Page 13: ...ct feeding pressure is attained which will feed work without noise in spring arm con nection tighten lock screw 4 Always use lightest pressure possi ble to permit higher working speeds WHEN CORRECT PR...

Page 14: ...ATE THE LENGTH OF STITCH The letters A to L on the stitch indi cator plate J Fig 24 denotes the various lengths of stitches that can be made the letter A indicating the longest stitch The letter oppos...

Page 15: ...ntric on arm shaft then turn plunger clockwise to lock it in position Now press button M and at the same time turn balance wheel over toward you to increase length of stitch or over from you to shorte...

Page 16: ...r required amount of lift TURN BALANCE WHEEL MORE ykSb LESS LIFT f Jff UFT HOLD NOTCHED Q Fig 26 Regulating lift of Pressers CAUTION When correct lift is attained securely tighten two clamping screws...

Page 17: ...groove in the feed driving flange S Move feed lifting eccentric so that vibrating presser will seat on work at about same time needle enters work This condition will vary slightly depending on type o...

Page 18: ...properly aligned with rock shaft timing flat If an adjustment is required loosen clamp screw X move feed lift link to correct position see that it is not binding side wise then securely tighten clamp...

Page 19: ...is correctly set move thrust collars into proper position and tighten screws See that feed driving strap D2 and feed lifting link F2 are not binding For more than V 64 inch sidewise movement of feed...

Page 20: ...to throat plate slots Loosen set screws B2 and two clomp screws E2 in feed driving rock shaft crank and move feed rocker Z to required position then securely tighten two clamp screws E2 and lock them...

Page 21: ...w G2 and nut L5 then set feed dog at correct height turning jack screw H2 counterclockwise and tapping feed dog down to lower it or turning jock screw H2 clockwise and tapping feed dog up to raise it...

Page 22: ...orward to make feed dog rise earlier or backward for later When feed dog is at its highest position the top of teeth should be parallel with upper surface of throat plate and project full depth of tee...

Page 23: ...g 38 to desired stitch length Press needle bar rock frame L2 against drive arm before loosen ing screws K2 OS shown in Fig 39 Con tinue holding needle bar rock frame while positioning needles in needl...

Page 24: ...til flat side on gauge pin just touches needle then tighten screw N2 Remove gauge and replace looper in holder eszo sfs Fig 40 Using Gauge to Position Loopers Sidewise in Relation to Needles TO SET LO...

Page 25: ...ntil looper points are at the center of the needles 5e Turn machine pulley until letter G is opposite the arrow on the front of the arm At this position the looper points should again be at the center...

Page 26: ...J V From the library of Superior Sewing Machine Supply LLC...

Page 27: ...d as shown at Q2 in Fig 42 and turn top of balance wheel over toward you until top of sheet metal arm of gauge touches needle bar rocker at P2 Hold balance wheel in this position and at same time loos...

Page 28: ...by a double thickness of or dinary paper at U2 If spreader is too far away or too close to loopers loosen two screws R2 in spreader holder and move spreader and holder sidewise in required direction B...

Page 29: ...o d Bdckwo d ghten screw W2 in Correct Relation to Needles and Loopers 20540 Fig 45 Showing Correct Clearance Between Spreader Points Feed Dog and Loopers The spreader X2 should be adjusted horizonta...

Page 30: ...ease sidewise movement of spreader or to right to decrease it then tighten four screws For average sewing requirements distance be tween left side of ball strap Z2 Fig 47 and right side of rock shaft...

Page 31: ...r and thrust plate L3 Loosen screws in right hand looper rocker bushing G3 and pull out left hand looper rocker bushing K3 and shaft holding latch pin F3 out of engagement while removing bushing K3 Th...

Page 32: ...U3 and crank screws 03 Remove lifting rock shaft crank N3 with its shaft and links as one unit from head end of machine Z0S6 U Fig 52 Alternating Presser Mechanism Loosen two screws S3 and re move lif...

Page 33: ...ulcrum E4 loosen two presser bar spring arm fulcrum holding screws F4 CAUTION When reassembling presser bar spring arm ful crum make certain that holding screws F4 seat correctly on the flat part of t...

Page 34: ...f Needle Thread Take up and Loop Setting Eyelet TO ADJUST LOOP SETTING EYELET The loop setting eyelet K4 Fig 54 controls loop forming and set ting action For average kind of material and sewing condit...

Page 35: ...COLLAR M4 fO fLOLVGER EORSMOfiTEf 1A FP ALG A PP V6 M4 04 I LOOSEN SCREW N4 3 TIBHTEN N4 Fig 56 Adjustments on Automatic Thread Nipper EZQ48 Fig 55 Automatic Thread Nipper Eccentric at Back of Machin...

Page 36: ...e threads when presser feet ore raised or if tension partially released when presser feet ore down move button R4 Fig 57 in or out on its holding stem to open tension more or less or if necessary move...

Page 37: ...screws in presser lifting eccentric Z4 collar Y4 and screwsX4 in nipper drive eccentric Remove check screw C5 and loosen two screws D5 and E5 in needle bar drive crank F5 Fig 60 these screws are acce...

Page 38: ...eccentric 83 Fig 62 looper thread take up drive eccentric J5 feed drive eccentric H5 and looper rocker drive crank G5 then remove bed shaft from pulley end of machine leaving pulley on shaft for easie...

Page 39: ...Arrow on Bed Shaft Pulley over bed shaft pulley making certain that rubber teeth properly engage pulley notches Replace bearing ring W4 Fig 65 and tighten ring screws then replace bal ance wheel forc...

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