typical TW3-P335 - Bottom Feed Dog & Presser Foot Lift

1515
1616
1. Adjust the stitch length to 0 , and then loosen
the screw 1 and 2;
2. Turn the balance wheel until the needle is at its
lowest position, and then lift it by 1.8mm;
3. Move the rotating hook as required;
4. Make the cover 3 touch the rotating hook, then
tighten the screw2;
5. Make sure that the gear 4 touches the bushing 5,
then tighten the screw 1.
Adjust the stitch length to 0 , and lift the
needle by 1.8mm.
a. The hook point must reach the center of the
needle and the clearance between them should
be 0.05-0.1mm;
b. The vertical distance between the top of the
needle hole and the hook point should be
0.8mm.
16.Position of the needle and the rotating
hook (Fig.15)
1. Adjust the stitch length to 0 and adjust the
lifting amount of alternating presser foot to its
max;
2. Lower the presser foot 1 on the needle plate;
3. Turn the balance wheel until the walking foot 2
reaches its highest position;
4. As required, move the crank 3(by screw 4);
5. Test as required.
When the stitch length is at the 0 and the
lifting amount of alternating presser foot is at
the max, turn the balance wheel to make sure
that the clearance between the presser foot 1
and the walking foot 2 is 7.0mm.
1. Adjust the stitch length to 0 and adjust the
lifting amount of alternating presser foot to its
max;
2. Lower the presser foot 1 on the needle plate;
3. Turn the balance wheel until the walking foot 2
reaches its highest position;
4. As required, move the crank 3(by screw 4);
5. Test as required.
When the stitch length is at the 0 and the
lifting amount of alternating presser foot is at
the max, turn the balance wheel to make sure
that the clearance between the presser foot 1
and the walking foot 2 is 7.0mm.
17. Adjusting the lifting amount of alternating
presser foot (Fig.16)
17. Adjusting the lifting amount of alternating
presser foot (Fig.16)