Duerkopp Adler 745-22 Service Instructions Manual page 75

Setting the waistband clamp 4
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Loosen screws 7 on the waistband clamp 4.
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By alignment of the waistband clamp 4 establish how much of the
waistband is to be engaged.
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Tighten screws 7.
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Tilt the machine head to the back.
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Regulate the movement speed of the waistband clamp 4 at throttle
valve 8.
The movement should occur quickly, but not with a jerk.
7 4
8
75