45
A
1
1
TYPICAL GC6760 Series
10 // ADJUSTMENTS
10/10/4 Timing the cam
The take up lever must be 2 mm before the upper turning point
when the movable thread catcher is at the foremost turning
point and the treads are cut.
1. Loosen screws (1) (Illustration 1) so you can
just turn the cam.
2. Turn the hand wheel until the needle is coming up from
the lower turning point and the point of the needle is in
line with the needle plate. Move the lever (A) (Illustration
2) to the left to initiate cutting operation. (Secure lever in
this position)
3. Turn hand wheel until the movable thread catcher (1) is in
the foremost turning point. (Illustration 1)
4. Turn the cam so that the movable thread catcher is at the
foremost turning point (Make sure the cam is not moving
to the side!)
5. Tighten screws (1) (Illustration 1).
Illustration 1
Illustration 2
2.0 mm before top dead centre
of the take up lever
Top dead centre
of the take up lever
Summary of Contents for GC6760 SERIES
Page 2: ...2 TYPICAL GC6760 Series...
