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Dos and Don'ts
Troubleshooting (Cont.)
1. Always be aware of the needle's up-and-down movement, and do not turn your attention from
the machine while it is running.
2. When changing the needle, the presser foot or any other parts, always disconnect the machine
by turning the power switch to OFF.
3. Do not place anything on the foot controller, or the machine will start inadvertently and the con-
troller or motor can burn out.
4. When using your serger for the first time, place a fabric scrap under the presser foot and run the
machine without thread for a few minutes. Wipe away any oil that appears.
5. Do not pull fabric from the rear of the machine. Such action can damage the looper mechanism.
6. To prevent possible injury, always avoid body contact with any moving parts and the machine
mechanism.
7. NEVER sew over pins.
Special Caution:
Unplug the power cord from the electrical outlet when the machine is not in use.
Needle threading difficulties:
1. Is the needle threader selector at the appropriate setting? ("R" for right needle, "L" for left
needle.)
Looper threading difficulties:
1. Is the looper threader selector at the appropriate setting?(Left threading port for "U" upper
looper, right threading port for "L" lower looper.)
2. Is the thread end in the proper threading port?
3. Is at least 1 inch (2.5cm) of the thread end in the threading port?
4. Is there at least 18 inches (40cm) of loose thread beyond the thread guide above the threading
port?
5. Is there a kink or twist in the 18 inches (40cm) of thread to restrict the flow into the threading
port?
6. Is the thread caught to prevent going through the loopers?
Poor Cutting:
1. Are the cutting blade(s) dull?
2. Have you sewn over a straight pin?
3. Is the cutting blade in the locked position?
4. Have the cutting blades been improperly replaced?
5. Is the fabric being pulled from the rear of the machine while sewing?
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