White-Westinghouse WW-6000 manual Corded, Replacing Cutting

8.	CORDED	OVERLOCK
Corded overlock can be used to strengthen stitches
when joining		elastic materials such as knitted
fabrics.
There are two		ways		of corded	overlock.
(1)	Place the slightly			wide cord	(about 3mm) under
the right needle, and sew on.
(2)	Sew a narrow		cord, positioning it on the edge
of	the overlocked		stitch.

9.

REPLACING

THE

CUTTING

KNIVES.

The

upper

knife and

lower

knife

are made

of

a

special

long-lasting steel

and

will

seldom

have

to

be

replaced.

However,

when they

do

not cut

the

fabric

even though they are set in

the right posi

tion.

replace them

in

the

following

way:

Before

replacing

the

knife,

be sure

the power

supply

plug

is take out.

Move

the

front cover

to

the

right,

then

open

it

toward

you.

(1)

Replacing

the

lower

knife:

Loosen

the

lower knife

clamp

screw and

change

the knife for

a

new one.

Align the top of the lower

knife

with the

top of the needle plate.

(2)

Replacing

the

upper

knife:

Move

the

upper knife

to its lowest

position

by

turning

the

handwheel

towards you.

Loosen

the

upper

knife screw,

while

holding

the

upper

knife.

Change the

knife

for

a

new one.

Check

if the biting

position

A

of

upper

knife is

positioned

downwords

0.5

1.0 from

the

top

of

biting

position

of lower

knife.

Tighten

the

upper

knife

screw.

Lower knife clamp screw

plate

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