To Adjust The Timing Of The Needle And The Feed Dog - Janome FA4 Service Manual

TO ADJUST THE TIMING OF THE NEEDLE
Correct Setting:
When the tip of right needle is at 2 to 4 mm above the needle plate in its downward motion and presser foot is
lowered, the top of the feed dog teeth should be level with the top surface of needle plate at their rearmost
position.
Before adjustment, check if the needle bar height and the feed dog height are correct.
To adjust:
1. Remove the free arm cover unit.
2. Set the stitch length dial at " 3 " and the differential feed dial at " 1.0 ".
3. Raise the presser foot and move the tip of right needle to 3 mm above the needle plate in its downward
motion by turning the handwheel.
4. Lower the presser foot, and loosen two setscrews A for feed cam.
# Turn the feed cam in the direction B if the feed dog is lower than the surface of the needle plate.
# Turn the feed cam in the direction C if the feed dog is higher than the surface of the needle plate.
5. Tighten two setscrews A.
6. Attach the free arm cover unit.
Setscrew A
B
C
AND THE FEED DOG
Top of the feed dog teeth
Top surface of the needle plate
Feed cam
O.L G05
12
2 to 4 mm
(Downward motion of
the feed dog)
2 mm