SINGER W510 - Manual (Page 7)

Stitch Density Control
regulates the closeness or openness of the buttonhole
right side.
Bobbin Winder
automatically stops winding when the bobbin is. tiUed.
Hand Wheel
controls the up and down movement of the needle bar.
Always turn it toward you.
Stitch Width Dial
allows for precise adjustment of zigzag stitch width as
well as tapering.
Needle Position and Buttonhole Control Dial
is turned for needle position change, also turned clockwise
tor easy two step buttonholes.
Reverse Lever
allows for easy back-tacking to lock thread ends.
Stitch Length Dial
allows for precise adjustment of stitch length from very
fine to very long.
reeo L/og uontroi
adjusts the height of the feed dog for special sewing
applications.
Presser Foot Lever
controls the raising and lowering of the presser foot.
With the lever down, the presser foot holds fabric for
sewing.
With the lever up to its first position, the fabric can be
turned freely without release of upper thread tension or
slack of upper thread, for changing sewing direction or
turning the corner.
With the lever up to the second posrtion, the upper
thread tension is completely released to remove fabric
after sewing.
An extra lift is also available for placement of heavy,
bulky fabrics under the presser foot by holding the
lever up to its extreme top position.
Thread Cutter
is located on the back of the presser bar for convenience.
Spool Pins
hold all types of spools effectively.
Power Switch
turns on both motor and light simultaneously. Allows
selection of high and low speed.
Coupling Wheel
releases the movement of the needle bar in order to wind
a bobbin.