4
5. Feed Cam Timing
To Check:
[1] Lower the needle bar by turning the handwheel until
the point of the needle is 17.9 mm (for 1600P-DB/
DBX) or 17.5 mm (for 1600P) above the upper
surface of the needle plate (1).
[2] The feed dogs should not move when moving the
reverse stitch lever up and down.
If the feed dogs move, adjust the feed cam timing as
follows.
To Adjust:
[1] Remove the base and lay the machine on its back.
[2] Lower the needle bar until the needle point is 17.9
mm (for 1600P-DB/DBX) or 17.5 mm (for 1600P)
above the needle plate (1).
(Use the third step from the right for 17.9 mm or the
marking for 17.5 mm on the Gauge 767G-001).
[3] Loosen the setscrews (2).
While moving the reverse stitch lever, turn the feed
cam (3) in the direction either
A
or
B
until the feed
dogs stop moving.
[4] Tighten the setscrews (2) and attach the base.
(1)
(3)
(2)
A
B
17.9 mm (1600P-DB/DBX)
17.5 mm (1600P)
17.9 mm
17.5 mm