24
16) NEEDLE GUIDANCE ADJUSTMENT
1) Overlock needle guidance adjustment
When the end of the lower looper reaches to the center-line of
the overlock needle, check the needle is lain aslant
0~0.03mm from the lower looper toward operator.
(Refer to 14) LOWER LOOPER ADJUSTMENT)
•
Under the above condition to adjust the needle
guidance(after)
①
, adjust the needle guidance(after)
①
to
make the needle on a aslant by the guidance
①
. The
distance (a) is 0~0.05mm.
To do this, loosen the screw
②
and move the rear needle
guidance
①
back/forth as required.
•
The end of the lower looper is on the center-line of the
needle to adjust the needle guidance(before)
①
. When the
needle is on a slant by the needle guidance(after)
①
, the
distance(b) between the needle and the needle
guidance(after) is 0.1~0.2mm.
To do this, loosen the screw
④
and move the front needle
guidance
③
back/forth as required.
[Figure 33]
[Figure 34]
[Figure 35]
0.03~0.05mm
0~0.05mm
0.1~0.2mm
①
②
①
②
③
④
Back
Back
Front
Front
