Janome Skyline S5 Service Manual page 19

Hook timing
The amount of ascending travel of the needle bar from its lowest position to the position (Needle drop position 0.0)
where the tip of the rotary hook exactly meets the right side of the needle should be 3.70 to 4.00 mm
(Needle drop position 0.0)
Needle #14
Hook
Bobbin holder Hook
Lower shaft gear
Mechanical adjustment
Tip of hook meets the
right side of the needle
3.70 to 4.00 mm
Lowest needle position
Tip of hook
Setscrews A
To adjust:
1. Remove the bed cover (see page 3).
2. Attach the needle #14.
3. Turn the power switch ON. Select straight stitch.
Set the needle drop position at "0.0".
* Do not turn the switch OFF.
4. Remove the presser foot, the needle plate and the
bobbin holder. (see page 4)
* Cover the needle plate with a fabric to prevent
damaging when removing the needle plate.
5. Turn the handwheel toward you to lower the needle at
its lowest position.
6. Loosen the setscrews A.
7. Turn the handwheel toward you to raise the needle bar
further 3.85 mm from its lowest position.
8. Turn the lower shaft gear until the tip of ratary hook
meets with the right side of the needle.
Tighten the setscrews A.
* Check the needle bar height after this adjustment.
17