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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for 81K70

Page 1: ...SINGER 81K70 K72 K73 K76 From the library of Superior Sewing Machine Supply LLC...

Page 2: ...hiTln KSHllS I NSrI I U T ll NS SINGER SEWI NCl 1 Ac II INE 81K70 H1K72 H1K73 AND H1I 7 J A Trade l lad of TilE SIN Jm MA NliFACTUIUNC From the library of Superior Sewing Machine Supply LLC...

Page 3: ...eservoirs to the prineipallwarings Machine 81K70 is fitted with a gathering feed and is used for trimming and closing seams in light and medium m ighl knit materials and rayon Machine 81K72 is used fo...

Page 4: ...of the table Replace the screw pins and wiH n placing lhe FIG 3 base in position have each pin l lller llw hole in the center or 1he rubbPr cushions as shown Then press tlw b 1sr down mtil it n sts on...

Page 5: ...er 100 No lG 81 x 1 Needles Tlw best resul Ls will he obtained in using the needles fur nished hy the Singer S1 wing lachine Company To Set the Needle r oosen t hl clamping nul P Fig 7 at the lower l...

Page 6: ...tlw rC tairwr discs H down inlo the guide 9 a11d from front to haek t trough tlw eye of the needle 1 0 To Thread the Left Hand Looper SEE FIGs 8 J AND l l Pass lhr thread from the unwinder down throu...

Page 7: ...ed when mak ing the three thread tight stitch 11 To Adjust the Gatlll ring Ft Pd on Machine HI K 7 Tlw amount of movcmPn t of the rear feed dog is de erminr d by lhe position of lhe lever A al the hae...

Page 8: ...NSTRUCTIONS FOR ADJUSTERS AND MACHINISTS To Set the Needle Bar at the Correct Height Remove the throat plate in order lo obtain a c Par vi1 w of the needle and looper Now turn the balance wheel over f...

Page 9: ...so that when it is raised to its higlwst point by the feed lifting eccentric the full kpth of the L elh wi II projed above the throat plate This ft l d dog can be raised or lowpred after loosening sc...

Page 10: ...ng ofT finger to the left If the desired trimming margin cannot be secured by these adjustments it may be obtained by removing the gib D Fig 16 and replacing it at lhe left of the upper knife The lowe...

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