UnionSpecial 39500FW Instructions For Adjusting And Operating Download | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for 39500FW

Page 1: ...FW CATALOG No 103FW I I Ztnum INDUSTRIAL SEWING LEWIS COLUMBIA MACHINES CLASS 39500 HI STYLED HIGH SPEED TWO NEEDLE FOUR THREAD DIFFERENTIAL FEED OVERSEAMING MACHINE CHICAGO From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...ST OF PARTS CLASS 39500 Styl e 39500 FW F i rst Ed i t i o n Copyri g ht 1967 By Union Spec i al M a chine Co Ri g hts R e s e rv e d in All Count ries MACHINE COMPANY INDUSTRIAl SEWING MACHIN ES CHICAGO P r i n t e d i n U S A 2 June 1970 From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...ted herein It can also be applied with discretion to some Special Styles of machines in Class 39500 References to directions such as right left front back etc are given from the operator s position while seated at the machine Operating direction of handwheel is away from operator STYLE OF MACHINE Hi Styled High Speed Two Curved Blade Needles Two Loopers Four Thread Overseaming Machine Differential...

Page 4: ...32 036 040 044 0 19 054 To have needle orders promptly and accurately filled an empty package a sample needle or the type and size number should be forwarded Use description on label A complete order would read 11 1000 Needles Type 154 GAS Size 036 Selection of proper needle size is determined by size of thread used Thread should pass freely through needle eye in order to produce a good stitch for...

Page 5: ... Felt iTension Thread Gu liJFront Thread Guide Upper Looper Thread Eyelet Auxiliary Looper Thread Eyelet m Lower Looper Thread Eyelet m Fabric Guard Bracket __ D Frame Looper Thread Guide mPresser Arm Fig 1 5 Top Cover IUI II Needle Thread Eyelet Upper Looper UIIIZ Thread Tube Assembly From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...LOOPER Double end of thread and lead it through both eyes of lower looper thread eye let R Fig 1 from right to left NOTE Thread must pass in front of looper thread pull off AF Lead thread behind fabric guard S and through hole of frame looper thread guide T Turn handwheel in operating direction until heel of lower looper V is all the way to the left then thread through both eyes from left to right...

Page 7: ...ic Unless otherwise specified rna chine will be shipped with above combination of eccentrics Generally speaking differential right hand feed eccentric determines number of stitches produced main left hand feed eccentric is selected in relation to de gree and direction of stretch of material being sewn or type of operation Following stitch number feed eccentrics are available under No 39540 B 4 5 6...

Page 8: ...r looper SETTING THE LOWER LOOPER Now finish lower looper adjustment As lower looper moves to the right its point should be set into the scarf of the left needle A Fig 7 until the needles spring forward from rear guard surface another 002 004 inch SETTING THE FRONT NEEDLE GUARD Assemble front needle guard C Fig 6 When lower looper is springing nee dles off rear needle guard set front nee dle guard...

Page 9: ... slightly to maintain the condition shown in Fig 9 When the correct setting is obtained it can be checked quickly as follows As upper looper is moving to the right and the upper looper eye centers on the right needle the eyes of the upper looper and needle should align exactly Fig 11 Fig 10 Check setting to avoid interference between upper looper and needle on needle downstroke If needle rubs the ...

Page 10: ... not less than 1 64 inch below the cutting edge of lower knife After upper knife has been set for the proper width of trim screw G must be tightened to lock the upper knife holding block H in place This will simplify re setting when upper knife is replaced SETTING THE STITCH LENGTH Length of stitch is determined by the combination of feed eccentrics used Out er left eccentric A Fig 14 actuates mai...

Page 11: ...r foot tongue Raise presser foot by depressing the presser foot treadle and manually lower the toe of presser foot Height adjustment is correct if presser foot tongue does not contact the upper looper There should be from 1 16 to 1 8 inch free motion of foot lifter lever before the presser foot begins to rise This adjustment is made with screw E and locked with nut F Re assemble chip guard fabric ...

Page 12: ...ension When normal amount of looper thread is drawn upper looper thread will have almost all slack taken up as looper thread pull off reaches its most rearward position POSITIONING THE PURL To move the purl more under the edge both looper thread eyelets N and R Fig 1 should be raised keeping the same amount of pull off Usually it is better to have slightly more pull off on upper thread than on low...

Page 13: ...E NEEDLES AND REPAIR PARTS Success in the operation of these machines can be secured only with genuine Union Special Needles and Repair Parts as furnished by the Union Special Machine Company its subsidiaries and authorized distributors They are designed accord ing to the most scientific principles and are made with utmost precision Maximum efficiency and durability are as sur ed Genuine needles a...

Page 14: ...14 From the library of Superior Sewing Machine Supply LLC ...

Page 15: ...Support 1 Screw 2 Thread Stand Rod 1 Nut for lead eyelet ball split socket 1 Washer for lead eyelet ball split socket 1 Lead Eyelet Ball Split Socket 2 Lead Eyelet Socket Ball 1 Screw 2 Screw for lead eyelet ball split socket 1 Thread Stand Base 1 Screw 1 Cloth Plate for semi and fully submerged installation 1 Cloth Plate for non submerged installation 1 Differential Feed Driving Eccentric 1 Main ...

Page 16: ...r needs promptly and efficiently Whatever your loca tion there is a Union Special Representative to serve you Check with him today ATLANTA GA MONTREAL CANADA BOSTON MASS TORONTO CANADA CHICAGO ILL BRUSSELS BELGIUM DALLAS TEXAS LEICESTER ENGLAND LOS ANGELES CAL LONDON ENGLAND NEW YORK N Y PARIS FRANCE PHILADELPHIA PA STUnGART GERMANY Representatives and distributors In all Important industrial citi...

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