Operation Manual

16
Changing Needles
CAUTION:
Always make sure to turn the power switch off and
disconnect the machine from power supply before
changing the needle.
Raise the needle by turning the handwheel and lower the
presser foot.
Turn off the power switch.
z Loosen the needle clamp screw by turning it
counterclockwise.
Remove the needle from the clamp.
q Needle clamp screw
x Insert a new needle into the needle clamp with the
flat side of the needle to the rear.
When inserting the needle into the needle clamp,
push it up against the stopper pin and tighten the
needle clamp screw firmly.
w Stopper pin
e Flat side
To check needle straightness, place the flat side of the
needle onto something flat (a needle plate, glass etc.)
The gap between the needle and the flat surface should
be consistent.
Never use a blunt needle.
r Gap
q
w
e
r
q
Thread and Needle Chart
Light
weight
Medium
weight
Heavy
weight
Fabrics
Crepe de Chine,
Voile,
Lawn, Organdy,
Georgette,
Tricot
Linens, Cotton, Pique,
Serge, Double Knits,
Percale
Denim, Tweed,
Gabardine,
Coating, Drapery and
Upholstery Fabric
Threads
Fine Silk
Fine Cotton
Fine Synthetic
Fine Cotton
Covered
Polyester
50 silk
50 to 80 Cotton
50 to 60
Synthetic
Cotton Covered
Polyester
50 silk
40 to 50 Cotton
40 to 50
Synthetic
Cotton Covered
Polyester
Needle Size
9 (65)
or
11 (75)
11 (75)
or
14 (90)
14 (90)
or
16 (100)