Singer 2802 - Page 66

Service Manual
Check:
Adjustment:
1. Set the machine for zig-zag, maximum width.
2. Remove the presser foot.
3. With the presser bar in a raised position, hold a piece of paper in place over the needle
plate, so needle penetration may be observed.
4. Turn hand wheel toward the front of the machine.
5. As the needle is rising from the right perforation, the point of the needle should be
moving to the left lightly touching the edge of the paper without enlarging the hole and
should reach its peak of ascent slightly past center of the two extreme positions of the
needle. (illustration A).
6. On the downward stroke, all lateral movement should cease when the needle point is 5,5
mm - 7,5 mm (.220" - .300") above the needle plate. The needle must return into the
opposite hole precisely.
1. Remove arm top cover.
2. Rotate hand wheel toward the front of the machine to bring reference mark (C) on the
cam stack opposite the follower (B) bring the needle to its lowest position in the left
hand swing of zig-zag.
3. Loosen two cam stack clamping screws (D).
4. Advance pendulum timing if needle begins its right to left movement too late by rotating
cam stack (E) slightly to the right (clockwise). Retard pendulum timing if needle begings
its right-to-left movement too soon by rotating camstack (E) slightly to the left
(counterclockwise).
5. Tighten one clamping screw (D) and recheck pendulum timing. Readjust if necessary.
6. If pendulum timing is correct, tighten both clamping screws (D) securely.
.
Needle Bar Pendulum Timing
65
Rev. n . o
Except 2802/2852
358487-001 Mar./2005