Singer QuantumLock User Manual Download Page 25

 
 

 

 Thread Lower Looper with decorative overlock thread.  

 

1. Raise the Presser Foot to release the tension disks.  Thread the Lower       

               Looper as illustrated 1-10.   
 
 

2. Pass thread from back to the front 

 

    through the thread guide  . 

 
 
 
 
 
 
 
 
 
 
 
 

 

 

3. Thread the top cover thread guide by pulling the thread towards the left until 

 

     it slips under the guide.  Then pull the thread along the right side of the  

 

     button as illustrated.  

   
 
 
 
 
 
 
 
 
 

4. While holding the thread, firmly pull the thread between the tension disks. 

 
 
  

 
 
 
 
 

 

 

 

 

5. Turn the handwheel toward you until the lower looper extends 5-10mm  

 

     (approximately ½ inch) from the needle plate edge.  

 
 

 

Three-Thread Overlock (wide-decorative) page 5 

Summary of Contents for QuantumLock

Page 1: ...Three Thread Overlock Narrow Wide and Wide with Decorative Threads...

Page 2: ...capabilities It is recommended for finishing seams but not reinforcing the seam Use the conventional sewing machine s straight stitch to reinforce the seam The stitch uses one overedge needles and bot...

Page 3: ...threaded and Remove Needle Overedge Right Needle B Blue Threaded Upper Looper Green Looper Engaged and Threaded Lower Looper Red Threaded Chain Stitch Looper Brown Unthreaded Upper Knife Engaged Seam...

Page 4: ...The Three Thread Overlock makes a great edge finish to a garment s facing Three Thread Overlock narrow page 3...

Page 5: ...2 Engage Upper Knife The knife will not trim the fabric when it is disengaged 1 Open Looper Cover 2 Pull the movable knife holder silver screw to the right as far as it will go 3 Turn the holder clock...

Page 6: ...Turn Presser Foot Pressure Dial to N Turn Differential Feed Dial to N Turn Seam Width Dial to N Set Stitch Finger to N Three Thread Overlock narrow page 5...

Page 7: ...Looper causes the looper move when sewing Even though the Upper Looper is not threaded it needs to be engaged 1 Push the clutch button to the left and down to engage 2 Turn handwheel Upper Looper Dise...

Page 8: ...ngaged operative and threaded The Spreader is used with a stitch that requires only one looper thread With the help of the Spreader the single looper thread wraps around the fabric s edge 1 Lower the...

Page 9: ...de of the button as illustrated 4 While holding the thread firmly pull the thread between the tension disks 5 Turn the handwheel toward you until the lower looper extends 5 10mm approximately from the...

Page 10: ...rlock thread 1 Raise the Presser Foot to release the tension disks Thread the Lower Looper as indicated 1 10 2 Pass thread from back to the front through the thread guide 3 Thread the top cover thread...

Page 11: ...pproximately from the needle plate edge 6 Thread the looper area of the machine following the red color coded thread guides 4 10 7 Place the thread slighty from left and to the right of threading guid...

Page 12: ...m front to back Pull about 4 inches of thread Position thread into V cutout B on threader Firmly hold thread tail with left hand and pull Threader Lever C up into place D NOTE Make sure the Upper Loop...

Page 13: ...ss thread from back to the front through the thread guide 3 Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide Then pull the thread along the right...

Page 14: ...e right slot of the thread guides and 8 Before threading the eye of the needle make sure the thread is behind the thread guide located on the bottom of the needle clamp 9 Draw about 4 inches of the th...

Page 15: ...ic edge Sew Align a second piece of medium weight fabric so that the knife just slightly trims the fabric edge Place the two fabrics right sides together Using a conventional sewing machine sew a stra...

Page 16: ...The only exceptions are 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 The other exception is the Au...

Page 17: ...nge 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...

Page 18: ...Pass thread from back to the front through the thread guide 3 Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide Then pull the thread along the rig...

Page 19: ...f the thread guides and 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 8 Draw ab...

Page 20: ...Turn Auto Tension Dial to B Turn Stitch Length Dial to 2 Align one piece of medium weight fabric so that the knife just slightly trims the fabric edge Sew Three Thread Overlock wide page 5...

Page 21: ...n duplicate the look of fine braids and bindings often found only in ready to wear It is easy to embellish sewing projects with decorative thread Threads such as texturized nylon thread crochet thread...

Page 22: ...hreaded 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 Guid...

Page 23: ...ead from back to the front through the thread guide 3 Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide Then pull the thread along the right side...

Page 24: ...eedle plate edge 6 Thread the looper area of the machine following the green color coded thread guides 4 9 7 Thread the hole in the Upper Looper from front to back Pull about 4 inches of thread throug...

Page 25: ...Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide Then pull the thread along the right side of the button as illustrated 4 While holding the thre...

Page 26: ...k of threading guide 9 Place the thread through and 10 Thread the looper eye A from front to back Pull about 4 inches of thread Position thread into V cutout B on threader Firmly hold thread tail with...

Page 27: ...hread from back to the front through the thread guide 3 Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide Then pull the thread along the right sid...

Page 28: ...ad into the middle slot of the thread guides and 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...

Page 29: ...Align double sided quilted fabric so that the knife just slightly trims the fabric edge Sew Three Thread Overlock wide decorative page 9...

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