White W2900 SUPERLOCK Instruction Book page 33

By threading the LEFT needle only
a width of 6 mm will be produced and
by threading the RIGHT needle only
a width of 3.8 mm will be produced.
Please keep the unused needle on
the needle pad as illustrated.
To convert to two thread use, first
open the front cover and working table
and raise needle to its highest point
by turning hand wheel towards you.
Remove the right needle and use the
left needle.
Please keep the unused needle on
the needle pad.
Pull out the converter as shown in
Fig. 1.
Attach the two-thread converter onto
the upper looper as shown in Fig. 2,
Fig. 3, making sure that you slide
tail end in first then locate hook end
into looper hole.
When not using converter, insert it
deep and keep as illustrated in Fig.
4.
Illustration *
I
Two-thread
overlock convertor
*
11: Upper looper
Fig.4