Machine Setting - Singer 2802 Service Manual

Service Manual

Machine setting:

1. Straight stitch, 2 mm stitch length (12 stitches per inch).
2. Center needle position.
3. Machine threaded for sewing.
Check:
1. The thread take-up spring (C) must be set to come to rest against take-up spring stop (B)
between the time of the needle point penetration and needle eye entrance into 1-ply of
light weight fabric (illustration 1) .
2. Take-up spring (C) must not bind or hang up as it is raised and lowered through its full
travel from stop (B).
Adjustment (to set take-up spring tension)(C):
1. Turn tension dial (A) to furthest left ("9") position.
2. Remove the dial (A) and schrouder (D).
2. Remove tension assembly complete from the machine and disassembly it.Remove clip
(E) from tension body (F) and carefully raise the coiled spring (C) and move the tail (G) to
the next notch in body (F).
3. Move to the left (counterclockwise) to increase tension and to the right (clockwise) to
decrease tension.
4. Reassembly tension assembly complete in the machine. Mount the dial (A) observing the
reference position "9" and schrouder (D).
Adjustment (to set take-up spring stroke)(C):
1. Set machine at straight stitch, center needle position, medium stitch lenght, tension
between "3" and "4".
2. Thread machine for sewing and sew about 5 cm.(2 inches).
3. The take-up spring (C) should come to rest on stop (B) between the time of needle point
penetration and needle eye entrance into 1-ply of light weight fabric (illustration 1).
4. To increase or decrease take-up spring stroke set tension dial (A) to "O", move thread
guide plate (H) away from body (F) and turn plate (H) counter-clockwise to decrease and
clockwise to increase stroke of take-up spring (C).
Adjustment (to set needle thread tension):
1. Lower the presser foot.
2. Turn tension dial (A) to the furthest left ("O") position.
3. Remove the free arm extension table, tension assembly dial, the knobs of the zig-zag
and needle position levers and all covers.
4. Pull tension dial (A) straight out and off the tension assembly,
5. Turn adjusting knob (J) to the right (clockwise) to increase tension and to the left
(counterclockwise) to decrease tension.
6. Set adjusting knob (J) until a barely perceptible drag (5 - 15 grams) can be felt as
thread is gently drawn through the tension discs.
7. Press on tension dial (A) so that the stop in tension knob ( J) is resting against and to the
right of the stop in tension body (F).
8. Finally, reassembly covers and turn dial to the right between numbers 3 and
Rev. n .
o
Needle Thread Tension
87
358487-001 Mar./2005