Singer Quantumlock 5 Manual

THREADING INFORMATION FOR A NARROW 5 THREAD 
SAFETY STITCH 
 
Threading the Green Upper Looper: 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the top cover thread guide by slipping the thread under the guide from 
right to left, and then pull the thread under the small round disk from the right 
side. 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lay thread through Green tension disk, while holding the thread securely with 
both hands.  Next slip into guide directly below the tension from right to left. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Using tweezers slip the thread into the next three guides marked with the small 
green dots. 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the guide that looks like a little pigtail and then thread through the eye of 
the looper as shown.  Pull the thread tail to the back of the serger approximately 
4 to 6 inches. 
 
  

Threading Red Lower Looper: 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the top thread guide by slipping the thread under the guide from right to 
left, and then pull the thread under the small round disk from the right side. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lay the thread through Red tension disk while holding the thread securely with 
both hands.  Next slip into guide directly below the tension from right to left. 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Using tweezers slip the thread into the slot at the back of the thread guide, and 
then into the next three guides marked with the small red dots. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the eye of the looper as shown, making sure that the thread is positioned 
in the “V” cut out in front of the looper.  Pull the thread tail to the back of the 
serger approximately 4 to 6 inches. 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Tugging slightly on the thread tail at the back of the serger, push threader lever 
all the way up to hook thread into the eye at the back of the looper. 
 
 
Threading Brown Chain Stitch Looper: 
 
Top Cover Thread Guide 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the top cover thread guide by slipping the thread under the guide from 
right to left, and then pull the thread under the small round disk from the right 
side.  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lay thread through Brown tension disk, while holding the thread securely with 
both hands.  Next slip into guide directly below the tension from right to left. 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Slip thread through front slot of threading guide. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Using tweezers thread the next 4 guides identified with a small brown dot. 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Using the tweezers thread the last thread guide that is located on the left just 
below the looper.  Next thread the brown looper eye from front to back, pulling 
thread over the top of the red looper, then pull the thread tail to the back of the 
serger 4 to 6 inches.  Make sure the thread sits over the top of the “V” cut out 
just before the eye of the looper. (See page 21 figure 10 of your manual.) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Tugging slightly on the thread...

Threading Blue Overedge Stitch Needle: 
Top Cover Thread Guide 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thread the top cover thread guide by slipping the thread under the guide from 
right to left, and then pull the thread under the small round disk from the right 
side. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lay thread through Blue tension disk, while holding the thread securely with both 
hands.  Next slip into guide directly below the tension from right to left.