Singer 263-1 Service 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 263-1

Page 1: ...NGER COMPANY Copyright 1964 by The Singer Company Copyright Under international Copyright Union All Rights Reserved under Inler Americon Copyright Union A Tredemerlc o THE SINGER COMPANY Printed In U S A From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...e Bose ond Oil Reservoir 3 4 Mochine Pulley 3 Needle Avoiding Motion 10 Needle Cotolog 2796 3 4 Needle Setting 5 Needle Threoding 5 Needle Bor Centrolizing 8 Needle Bor Height 10 Needle Bor Stroke 3 Needle Bor Throw 3 8 9 Oil Recommended 4 Ports Reor of Book Presser Bor Height 7 Pressure on Moteriol 6 Puckered Seoms Causes 15 Skipped Stitches Couses 15 Speed 4 Stitch Length 3 7 Stitch Types 401 on...

Page 3: ...th seat for independent light fixture mounting MACHINE PULLEY Machine pulley 146512 for 3 8 inch V belt has an outside diameter belt groove of 2 9 inches Effective diameter for 5 16 inch round leather belt is 2 3 8 inches When in operation the top of the machine pulley must always turn over toward the operator INSTALLATION Machine base and oil reservoir shown in Fig 2 fits into standard table cut ...

Page 4: ...ine PRIMING When machine is new or has been idle for sometime remove face plate and oil upper and lower needle bor bushing wicks shown in Fig 4 by hand The automatic oiling system will function effi ciently after the first few minutes of operation Check oil level often to keep it from going below mark CAUTION If the flow of oil passing the oil flow window shown in Fig 5 should stop or become errat...

Page 5: ... in Fig 7 Twirl thread over toward you between thumb and forefinger of right hand If left twist strands will wind tighter If right twist strands will unwind or separate MOVE TO HIGHEST POINT LONG GROOVE LOOSEN SCREW INSERT NEEDLE UP AS FAR AS POSSIBLE AND TIGHTEN SCREW Fig 6 Setting the Needle HOLD THIS END TWIRL OVER TOWARD YOU Fig 7 Determining the Twist of Thread UPPER THREADING Turn machine pu...

Page 6: ...till sufficient to set the stitch in material Regulate needle thread tension only when presser foot is down To adjust turn thumb nut at front of tension discs shown in Figs 10 and 11 as required REGULATING PRESSURE ON THE MATERIAL Presser foot pressure on material should be as light as possible while still sufficient to insure cor rect feeding To adjust loosen lock nut shown in Fig 12 and turn thu...

Page 7: ... Fig 15 2 When presser foot is at its highest point and needle bar at its lowest point top of presser foot must not contact needle bar or needle clamp ADJUSTMENT Loosen guide bracket clamp screw and presser bar stop screw shown in Fig 15 1 Position guide bracket so that it just clears lifting bracket as shown in Fig 15 Align presser foot with feed dog Tighten guide bracket clamp screw 2 Raise or l...

Page 8: ...TRALIZE THE NEEDLE AT ZERO BIGHT Fig 18 Centralizing the Needle Fig 17 Timing the Zig Zag Movement the two bevel gear screws Fig 17 Turn machine pul ley over toward operator until needle bar reaches its highest point Rotate bevel gear as required to time the zig zag movement of needle bar see Fig 17 Securely tighten the two bevel gear screws and check for binding or excessive play Replace oil guid...

Page 9: ...E LOOPER When needle bar is at its lowest position looper should be at the end of its backward stroke just ready to begin its forward stroke To set the timing remove bed slides presser foot throat plate and feed dog Loosen the two bevel gear screws located at machine pulley end of rotary bed shaft see Fig 19 Turn machine pulley over toward operator until needle bar is at lowest point Turn rotary b...

Page 10: ...ion During its forward stroke looper should pass behind needle just clearing back of needle When needle bar reaches its highest position looper completes its forward stroke ECCENTRIC SET SCREWS ECCENTRIC EDGE OF CRANK Fig 25 Timing Needle Avoiding Motion 10 and moves from rear to front As needle bar descend looper moves backward and passes in front of needle just clearing front of needle At end of...

Page 11: ...as shown in enlarged view of this area Fig 27 If take up is timed incorrectly it may strain thread causing it to break or to form a puckered stitch Loosen screw in hub of looper thread take up right Fig 28 Rotate hub toward rear of machine to time take up to contact looper thread sooner or toward front of machine to time take up to contact looper thread later as shown in Fig 28 Tighten screw Loose...

Page 12: ...per thread when presser foot is raised but should not release tension even slightly when presser foot is down To adjust the tension releaser loosen set screw shown in Fig 30 and turn shaft until correct adjustment is obtained Then tighten set screw LOOPER THREAD RETAINERS 1 Thread retainer on bottom of looper shown in Fig 31 should produce a tension of 10 to 15 grams on 80 white cotton thread To a...

Page 13: ... cap Check timing of looper thread take up as instructed on page 11 To check the setting rotate machine pulley over toward operator until feed dog begins to move forward At this point feed dog should also begin to rise above throat plate FEED LIFTING ECCENTRIC Position of feed lifting eccentric shown in Fig 32 defines the shape of the elliptical path taken by the feed dog in its rise and fall Thus...

Page 14: ...way between sides of throat plate slots Then align feed lifting rock shaft crank with feed dog carrier Securely tighten all screws LENGTHWISE SETTING To centralize the feed dog so that its movement is equidistant from front and rear ends of throat plate slots first set machine for longest stitch Then loosen crank clamp screw 2 Fig 33 and move feed dog carrier as required to centralize feed dog wit...

Page 15: ... Feeding too much material while stitching LOWER THREAD BREAKING 1 Lower tension too tight 2 Improper threading of looper 3 Burr on looper or on underside of throat plate UPPERTHREAD BREAKING 1 Upper tensions too tight 2 Improperthreading 3 Needle bent or damaged blunt point Burr on needle 4 Thread too coarse for size of needle and material 5 Burr on looper or in needle hole of throat plate caused...

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