SINGER 3337 SIMPLE 取り扱いマニュアル

1.  HORIZONTAL SPOOL PIN holds the thread spool and spool cap for the upper thread.
2.  BOBBIN WINDING SPINDLE holds bobbin as it winds. (See Page 12)
3.  HOLE FOR SECOND SPOOL PIN is used to hold an additional spool pin (optional), for thread 

spools to be used in upright position or for using two spools at once for twin needle sewing.

4.  HANDWHEEL (ALWAYS TURN IT TOWARD YOU), controls movement of the needle and the 

thread take-up lever.

5.  POWER AND LIGHT SWITCH turns on machine and sewing light simultaneously. (See Page 11)
6.  MAIN PLUG SOCKET is used to connect the power cord/foot controller. (See Page 11)
7.  BOBBIN WINDING TENSION DISK holds the thread snuggly to help ensure smooth and even 

bobbin winding. (See Page 12)

8.  PRE-TENSION THREAD GUIDE helps maintain the flow of the thread during sewing. (See Page 

14) 

9.  FACE PLATE houses and protects the interior mechanisms of the machine.
10.  HANDLE is used for lifting and transporting the machine.
11.  PRESSER FOOT LIFTER raises and lowers presser foot. It should be placed up for machine 

threading and down for sewing. (See Page 14)

12.  FOOT CONTROLLER controls sewing speed by the amount of pressure applied by user.  

(See Page 11)

13.  POWER CORD connects the machine to the power source. (See Page 11)