artisan TORO 4000 Series Instruction And Spare Parts Manual - Page 13
Browse online or download pdf Instruction And Spare Parts Manual for Sewing Machine artisan TORO 4000 Series. artisan TORO 4000 Series 16 pages. Extra heavy duty cylinder bed lockstitch compound needle feed walking foot stitching machines
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4. PRESSER BAR COMPONENTS
20.
16.
1. The thread breaks or
1. A burr, cut, ruffness, or other imperfection
tends to fray and
was created on the needle plate, shuttle,
then break.
shuttle race or presser foot by a broken or
damaged needle.
2. Needle thread tension excessively tight.
3. Poor quality or incorrect thread size.
4. Machine is out of synchronization.
5. Excessive needle heat build-up.
Skipped Stitches
1.
The needle is too far away from the shuttle
hook point.
2.
The shuttle hook timing is set too fast or too
slow in relationship to the needle.
3.
The leather or fabric "jumps" up with the
Needle. (called flagging)
4.
Bent needle, dull point, or improper needle
diameter size for the leather sewn.
5.
The check spring tension is too hard or too soft.
6.
The check spring travel is too long or too short
for the fabric sewn.
7.
The needle has overheated, lost temper or is
dull or worn out.
8.
Excessive thread fraying or wear.
3. Improper thread tension,
1. Worn out thread guides.
irregular looking
2. The bobbin jams.
stitches, or excessive
bobbin thread tension.
3. Weak bobbin thread tension.
4. Bobbin thread is wound to tightly.
5. Bobbin thread showing on top of fabric or leather
6. Loops showing on the bottom of the leather or
Fabric.
4. Excessive Thread Abrasion
1.
Worn out or Incorrect needle size
1.
Incorrect point for the leather being sewn.
5. Stitches are out of line
2.
Dull or blunt needle point.
or do not track straight.
1.
Lint or debris trapped under the bobbin case
6. The bobbin thread
spring tension.
tension will not adjust.
1.
The v-belt has stretched.
7. The v-belt from the
SR-2 speed controller is
2.
The v–belt is worn out
3.
The machine is jammed.
slipping or the hand
wheel does not turn
when the motor is
fully engaged
When in doubt....
Call artisan
for Help! 888-838 1408
1. Clean off and remove the flaw with a fine
India stone or other abrasive.
2. Loosen the upper thread tension.
3. Always use a good quality pre-lubricated left
twist sewing thread like "Rice" brand threads.
4. Check and if necessary re-time the machine.
5. Add an additional silicone thread lubrication
system to your machine.
6. Replace your needle with a new "Schmetz"
brand quality sewing needle.
1. See Chapter 14, Adjusting the Needle-to-Shuttle
Relationship.
2. See Chapter 14, Adjusting the Needle-to-Shuttle
Relationship.
3. Tighten the presser bar adjuster screw.
4. Replace with a new and correctly sized needle.
5. Decrease the check tension.
6. Adjust the check spring travel for the weight of the
fabric or leather being sewn.
#
7. Replace the needle with a Schmetz brand
794 Needle
Inferior quality needles cause problems.
8. Replace poor quality thread with RICE or Artisan
"Premium Performance Leather Stitching Thread"
from Artisan Sewing Supplies. 888 838 1408
1.
Repair the guide or replace with a new thread guide.
2.
The bobbin may be bent or otherwise damaged.
Replace the bobbin.
3.
Tighten the bobbin thread tension, Chapter 9
4.
Loosen the tension on the bobbin winder
5.
Loosen the Needle Thread Tension, Chapter 9
6.
Tighten the needle thread tension, Chapter 9
1. Replace the Needle
1.
Replace your needle with one with the correct
cutting point for the type of leather being sewn.
Read and understand the Schmetz Leather Needle
Pamphlet available from Artisan 888 838 1408
1.
Remove the bobbin case spring and clean out the
Debris.
1.
Lower the SR-2 Speed controller.
Make the belt tension tighter.
2.
Replace the v– belt
3.
Clean out the foreign blockage. Perhaps a small
piece of thread is trapped in the shuttle raceway.
1/4" to 3/8"
u
SR-2 Pulley
13.