MECHANICAL ADJUSTMENT
NEEDLE CLEARANCE TO ROTARY HOOK
TO CHECK:
1.
Set the stitch selector at stitch No. 3 (simple zigzag)
2.
Remove the set screw (A) of the needle plate, and detach the needle plate (B) and
bobbin holder (C).
3.
Attach the master needle.
4.
Turn the hand wheel slowly by hand until the needle bar reaches its lowest
position.
5.
The clearance between the master needle (D) and the tip of the rotary hook (E)
should be between -0.10 and +0.05 mm.
ADJUSTMENT PROCEDURE:
1.
Remove the bed cover (See page 6).
2.
Loosen set screws (F), (G) and (H).
3.
Tighten set screw (C) temporarily.
4.
Move plate (I) to either direction as shown by the arrow until the clearance between
the master needle (D) and the sharp end (E) of the rotary hook is between -0.10
and +0.05 mm.
5.
Tighten the set screws (F), (G) and (H) firmly.
15
Содержание DE 5024
Страница 1: ...SERVICING MANUAL DE 5024...
Страница 29: ...2 7 WIRING OF MACHINE SOCKET...