Instruction manual
6 Operation
6.1 Threading the needle thread
Caution: danger of injury !
Tur n off the main switch.
The needle thread may only be threaded with the sewing machine
switched off.
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Put the thread reel on the thread stand and lead the needle thread
through the unwinder arm.
The unwinder arm must be in vertical position above the thread
reels.
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Thread in the thread through threading guide 1 and 2.
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Conduct the thread clockwise around the pre-tensioner wheel 3.
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Conduct the thread counter-clockwise around the supplementary
tensioner wheel 4.
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Conduct the thread clockwise around the main tensioner wheel 5.
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Pull the thread under neath the thread take-up spring 8 and
conduct it through the thread regulator 10 to the thread lever 11.
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Conduct the thread through the thread lever 11 and the threading
guides 9, 7 and 6 on the needle bar.
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Thread the thread into the needle eye.
Threading in the needle thread with double-needle machines
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Put the thread reels on the thread stand and lead the needle
thread through the unwinder arm.
The unwinder a rm must be in vertical position above the thread reels.
Thread for the left needle (as with s ingle-needle machines)
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Thread in the thread through threading guide 1 and 2.
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Conduct the thread clockwise around the pre-tensioner 3.
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Conduct the thread counter-clockwise around the supplementary
tensioner 4.
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Conduct the thread clockwise around the main tensioner 5.
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Pull the thread under neath the thread take-up spring 8 and
conduct it through the thread regulator 10 to the thread lever 11.
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Conduct the tread through the upper bore hole of the thread
lever 11 and the threading guides 9, 7 and 6 on the needle bar.
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Thread the thread into the needle eye.
Thread for the right needle
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Thread in the thread through threading guide 12 and 13.
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Conduct the thread clockwise around the pre-tensioner 14.
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Conduct the thread counter-clockwise around the supplementary
tensioner 15.
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Conduct the thread clockwise around the main tensioner 16.
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Pull the thread under neath the thread take-up spring 19 and
conduct it through the thread regulator 21 to the thread lever 22.
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Conduct the thread through the lower bore hole of the thread
lever 22 and the threading guides 20, 18 and 17 on the needle bar.
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Thread the thread into the eye of the right needle.
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