Upper Toothed Quadrant - Duerkopp Adler 558 Service Instructions Manual

20. Upper Toothed Quadrant

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2
3
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Previous to the setting of the upper toothed quadrant 3 the settings per
chapters 17, 18 and 19 must be checked and made corrected.
The pendulum movement of the needle bar should occur precisely at a
right angle to the material support plate.
Caution Risk of Injury !
Pull the mains plug before setting.
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Loosen screw 1.
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Turn the toothed quadrant 3 on axle 2 so that the swing sleeve 5
lies parallel to the edge of the material support plate.
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Tighten screw 1 again.
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Turn on the main switch and let the machine run through.
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For checking place a slide gauge or ruler on the swing sleeve 5.
Attention ! Do not place the slide gauge or ruler over bolt 4.
ATTENTION !
Analogous to the lower toothed quadrant, the upper toothed quadrant's
tooth insertion must be equal in both end positions when the swing
sleeve lies parallel to the material support plate.
4
5