Adjustment Of The Bobbin; Adjustment Of The Work - Mitsubishi PLK-E0504 Technical Manual

7-8. Adjustment of the bobbin winder
(1) Adjustment of the winding volume
Loosen the setscrew (No.2) of the adjusting lever (No.1) and adjust the position of the
adjusting lever (No.1). If move the adjusting lever (No.1) to the arrow direction "a", the
winding volume is reduced, and if move the adjusting lever (No.1) to the arrow direction "b",
the winding volume is increased. The winding volume is adjusted 80% of the full volume
when the sewing machine is shipped from the factory.
(2) Adjustment of the proper position of the bobbin winder
Firstly, loosen the setscrews (No.3) and (No.4) of the bobbin winder and put the empty
bobbin (No.5) on the rotating shaft (No.6) then, push the adjusting lever (No.1) to the
arrow direction "a". Secondary, move the whole bobbin winder to the arrow direction "c"
and stop it at the position where the empty bobbin is rotated then, tighten the setscrews
(No.3) and (No.4) of the bobbin winder. This is the proper position of the bobbin winder.
a
7-9. Adjustment of the work holder
If the sewing material is thick and the work holder does not press it strong enough, adjust the
work holder presser as follow.
(1) Insert the sewing material (NO.1) under the work holder (NO.2).
(2) Turn the power switch ON and lower the work holder (NO.2) with the work holder foot
switch (black color foot switch).
(3) Loosen two setscrews (NO.3) and move adjusting plate (NO.4) until it touches with the link
(NO.5) then, tighten two setscrews (NO.3).
2
1
b
2
1
－27－
5
3
c
5
4
3
6
4