Siruba AA-6 Instruction Manual

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ADJUSTMENT OF NEEDLE BAR

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1.Release the needle bar cover (A101 R), pull the motor belt (A9O9) to let the looper move as per the instruction of Fig. 4. 2.Slightly loosen the needle bar screw (SA26). 3.Adjusting the height of needle, please see Fig. 5. When the needle and looper (A3OO) meet together, the distance between the tip of looper and the needle can not exceed over 0.4mm. At the same time, the bottom edge of the looper's tip just passes over the needle hole. Fasten the needle bar screw (SA26), put the needle bar protective cover (A101 R) back, and then readjust the clearance between the needle and looper according to Fig. 6.

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116/Fig. 6

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STITCH LENGTH 1--------------------------------------------------------------------------------------------

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The normal stitch length is 7.2mm, and the tips of the feed dog (A2O3) should be set higher than the needle plate(A21O) by 2. 7mm. If the stitch length is too long, check and do as follows: 1.The tips of feed dog may be worn out, then feed dog must be replaced. 2.The feed dog may possibly sink, and the height of the tips of feed dog over the needle plate is less than 2.7mm consequently. Loosen the feed dog holder screw (SA22) and adjust the feed dog.

From the library of Superior Sewing Machine & Supply LLC • www.supsew.com

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