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Summary of Contents for HIGHLEAD GC2268-2BXL
- Page 1 GC2268-2BXL Two Needle Cylindrical Bed Compound Feed Lockstitch Sewing Machine (Rotary) Instruction Manual SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO., LTD.
- Page 2 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
- Page 3 一、PRECAUTIONS BEFORE STARTING OPERATION 1. Safety precautions 1） When turning the power on, keep your hands and fingers away from the area around/under the needle and the area around the pulley. 2）Power must be turned off when the machine is not in use, or when the operator leaves the seat. 3）Power must be turned off when tilting the machine head, installing or removing the “V”...
- Page 4 三、CAUTIONS ON USE 1. Lubrication · When a new sewing machine is first operated, or when a sewing machine is operated which is out of use for long period of time, it will be necessary to oil through the oil holes after removing the rubber plugs shown below.
- Page 5 3. Selection of thread It is recommended to use “S” twist thread in the left needle (viewed from front), and “Z’ twist thread in the right needle. When use of needle threads discriminates is impossible, use “Z” twist thread in both the needles.
- Page 6 the upper thread tension adjuster, and the upper thread can easily pulled out 6. Setting of bobbin 1）Pulling out 5. cm thread tail from the bobbin. 2）Hold the bobbin so that the bobbin thread is would in right direction and put it into the hook. 7.
- Page 7 8. Thread tension 1）Adjusting the bobbin thread tension Turn tension screw, clockwise to increase the bobbin thread tension, or counter clockwise to decrease it. 2）Adjusting the needle thread tension · Needle thread tension should be adjusted in reference to bobbin thread tension. ·...
- Page 8 10. Adjusting the stitch length Turn stitch length dial counter-clockwise to bring the desired value to the top of the dial so that the value is aligned with the pin. Reverse feed stitching 1）The machine performs reverse feed stitching as long as the lever is held depressed. 2）The moment you release the lever, the machine resumed the normal stitching mode.
- Page 9 12. Relationship between hook motion and opener motion 1）Turn the balance wheel by hand and stop when the opener holder is located most remotely from the throat plate. 2） Make sure gap between the bobbin case holder A and the opener is approximately 0.2 mm. 3）...
- Page 10 15. Relationship between needle motion and feed dog motion 1）Set feed length to “0” on the feed setting dial 2） Set the needle at the lowest position. 3）Lean the machine head backward, remove the back cover, loosen screw B and C. 4）Adjust the distance between presser rod and vibration prevention rod to 9 mm.
- Page 11 17. Regulate the atmospheric pressure When the air cylinder works normally, the necessary atmospheric pressure is 5~6bar. Can find out through the dial plate of the filtering. 1）Lifting knob 1, clockwise rotation, the pressure increases. 2）Lifting knob 1, anticlockwise rotation, the pressure is reduced. —...