Singer Professional 5 Manual

							 
  
Three-Thread Flatlock (wide) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
      
 
 
 
 
 
 
 
 
 
 
             
 
 
 
 
 
 
Three-Thread Flatlock (wide) page 1 
The Three-Thread Flatlock (wide) has the same set up as the Three-Thread 
Flatlock (narrow) Stitch.  The only exception is the Right
 Overedge Needle is now 
unthreaded and removed and the Left
 Overedge Needle is threaded.  By using the 
left needle, the stitch becomes wider.   
Right Overedge Needle Thread 
 Left Overedge Needle Thread  
						

							 
 
ATD: 
Auto Tension Dial  
            “F” 
Left Cover Stitch  
Needle “C”  Unthreaded and 
Remove Needle 
Middle Cover Stitch  
Needle “D” Unthreaded and 
Remove Needle 
Right Cover Stitch 
Needle “E” Unthreaded and 
Remove Needle 
Overedge Left  
Needle “A” (Orange)     Threaded 
Overedge Right  
Needle “B” Unthreaded and  
Remove Needle 
Upper Looper 
(Green)  Looper Engaged 
and Threaded 
Lower Looper 
(Red)    Threaded 
Chain Stitch Looper  
(Brown)   Unthreaded  
Upper Knife     Engaged 
Seam Guide Plate Not Installed, use 
Knife Cover Plate 
Seam Width Dial          “N” 
Stitch Length Dial          “2” 
Presser Foot  
Pressure          “N” 
Differential Feed Dial           “N” 
Stitch Finger          “N” 
Spreader     Disengage 
Set at: 
Needle: 
Three-Thread Flatlock (wide) page 2  
						

							 
 
Three-Thread Flatlock (wide) page 3  
 
            Decorative Ladder Effect (wide)                                Decorative Loop Effect (wide) 
              Fabric Right Sides Together                                    Fabric Wrong Sides Together 
Right Overedge Needle Thread 
 
Left Overedge Needle Thread 
 
Lower Looper Thread 
Upper Looper Thread  
						

							 
   
   
  
 
  5. Continue to thread points 4-8.  Slip the thread into the middle slot of the  
      thread guide g.  Go over the take up lever h.  Continue by slipping the  
               thread into the middle slot of the thread guides i and j.  
 
  6. Before threading the eye of the needle, make sure the thread is behind
  
               the thread guide located on the bottom of the needle clamp. 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
 
 
 
 7. Thread the eye of the left needle k. 
 
 
 
 
 
 
 
  
 
 
 
  
 
 
 
  8. Draw about 4 inches of the thread through the needle eye towards the back 
      of the machine.  
  
      9. Place the thread to the back, under the Presser Foot.  Lower foot and sew.   
 
Three-Thread Flatlock (wide) page 5  
						

							 
   
   
  
  
                   
 
                                   
Chapter 6: 
        Three-Thread Ultra-Stretch   
              Mock Safety Stitch   
 
 
 
 
 
 
 
 
      
 
                             
 
 
 
 
 
 
 
 
 
                                        
						

							 
  
 Three-Thread Ultra-Stretch Mock Safety Stitch   
 
This stitch stretches with the fabric, the seam will not break when the fabric is 
stretched.  It is ideal for super-stretch knits like those used on swimwear or athlete 
clothing.  This stitch uses two needles and one looper. 
 
 
 
 
 
 
 
 
 
 
 
 
 
      
 
 
 
 
 
 
 
 
 
 
             
 
 
 
 
 
 
 
 
 
         
Left Overedge Needle Thread 
Lower Looper Thread Right Overedge  
Needle Thread 
Three-Thread Ultra-Stretch Mock Safety Stitch page 1
  
						

							 
 
 
 
 
 
Needle
: 
ATD: 
Auto Tension Dial  
          “G” 
Left Cover Stitch 
Needle “C”     Not Threaded 
Middle Cover Stitch 
Needle “D”     Not Threaded 
Right Cover Stitch 
Needle “E”     Not Threaded 
Overedge Left  
Needle “A” (Orange)       Threaded 
Overedge Right  
Needle “B” (Blue)       Threaded 
Upper Looper 
(Green)   Looper Engaged 
and Not Threaded 
Lower Looper 
(Red)       Threaded 
Chain Stitch Looper  
(Brown)    Not Threaded 
Upper Looper Clutch          “L” 
Upper Knife     Engaged 
Seam Guide Plate    Not Installed 
Use Knife Guide 
Seam Width Dial           “N” 
Stitch Length Dial           “2” 
Presser Foot  
Pressure           “N” 
Differential Feed Dial            “N” 
Stitch Finger           “N” 
Spreader        Engaged 
Set at: 
Three-Thread Ultra-Stretch Mock Safety Stitch page 2  
						

							 
 
 
 
 
 
 
 
 
 
 
 
      
 
                         
 
 
 
 
 
 
 
 
                                 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
      
 
                         
 
 
 
 
 
 
 
 
                                 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
  
 
Three-Thread Ultra-Stretch Mock Safety Stitch page 3