Singer 3337 SIMPLE Instruction Manual and Troubleshooting Guide - Page 8

Main Parts of the Machine Back - mechanical sewing machine

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21 ABOUT YOUR MACHINE Main Parts of the Machine Back 1 7 2 3 8 9 4 10 11 12 5 13 6 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) 8

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2
1
8
Main Parts of the Machine Back
ABOUT YOUR MACHINE
1
2
3
4
5
6
7
8
9
10
11
12
13
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)