Janome MC300E - Adjusting Hook Timing

9
MC300E
Adjusting Hook Timing
1 Remove the belt cover, bed cover, base cover, base
lid (1) and base lid (2).
2 Remove the presser foot, Needle plate and
Bobbin holder .
3 Lower the needle bar to its lowest position by turning
the handwheel toward you.
4 Raise the needle bar further 3.4 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 Screws (2 pieces) of the lower shaft gear.
6 Attach the Bobbin holder , Needle plate and
presser foot.
7 Attach the base lid (2), base lid (1), base cover, bed
cover and belt cover.
Needle plate
Bobbin holder
Screw
Lower shaft gear
Needle #14
Align the tip of rotary hook with 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
The amount of ascending travel of the needle bar from its lowest position to the position
where the tip of the rotary hook meets the right side of the needle should be 3.1 to 3.7 mm.
3
6