9
Adjusting Hook Timing
The hook timing is that amount of ascending travel of the n
e
edle bar from its lowest position
where the tip of the rotary hook meets the right side of the needle should be 3.1 to 3.7 mm.
1 Remove the belt cover, bed cover, base cover, base
lid (1) and base lid (2).
2 Remove the needle, presser foot, Needle plate (A)
and Bobbin holder (B) .
3 Lower the needle bar at its lowest position by turning
the handwheel toward you.
4 Raise the needle bar further 3.1 to 3.7 mm from
the lowest position.
5 Loosen the screws of lower shaft gear, turn the Lower
shaft gear until the tip of rotary hook meets with
the right side of the Needle .
Tighten Screw (2 pieces) of the lower shaft gear.
6 Attach the Bobbin holder , Needle plate ,
presser foot and Needle .
7 Attach the base lid (2), base lid (1) base cover, bed
cover and belt cover.
Needle plare (1)
Bobbin holder (B)
Screw (C)
Lower shaft gear
Needle #14
Match the tip of rotary hook and the right side of
the needle.
3.1 to 3.7 mm
Lowest position
2
1
3
4
6
7
8
2
1
3
4
5
8
5
2
1
3
4
6
5
7
8
3
2
1
5
