CONTENTS: ............................... 1 ..................................1 .............................. 2 ................................2 3.1.1 Description 3.1.2 Height setting of the hook 3.1.3 Setting the distance of the hook from the needle 3.1.4 Angular setting of the hook (timing) 3.1.5 Protection of the needle and of the hook point 3.1.6 Setting of the bobbin case opener 3.1.7 Setting the regulation of the hook lubrication 3.1.8 Replacement of the hook...
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3.7.5 Replacement of the indented belt 3.7.6 Top roller 3.7.6.1 Selection of the top roller diameter 3.7.6.2 Forward, rearward and side setting 3.7.6.3 Setting the gear clearance and in the mounting of the top roller 3.7.6.4 Replacement of the top roller ..............................
3. Head of the sewing machine 3.1.1 Description 3.1.2 Height setting of the hook Caution! Danger of injury! 3.1.3 Setting the distance of the hook from the needle max. 0,1 Caution! Danger of injury! Caution!
3.1.4 Angular setting of the hook (timing) ° Caution! Danger of injury! ° 3.1.5 Protection of the needle and of the hook point Caution ! Danger of injury! 3.1.6 Setting of the bobbin case opener Caution ! Danger of injury! °...
3.1.10 Dismantling of the hook post Caution ! Danger of injury! 3.2.1 Description 3.2.2 To check the handwheel angular adjustment Caution ! Danger of injury! 3.2.3 Height setting of the needle bar Caution ! Danger of injury! Caution !
3.5.1 Description 3.5.2 Setting the tension of the main and auxiliary tensioners 3.5.3 Setting the tensioning mechanisms of the main tensioners Caution ! Danger of injury!
3.6.1 Description The feeding mechanism is formed by the leverage (1) which is driven from the main shaft through the eccentric with connection rod (2). The feeding motion is transmitted by the shaft (3) on the clutch of the bottom feed (7). The engaging and the disengaging function of the clutch (7) is controlled from the lower shaft (8) through the eccentric with the connecting rod (9) and through the wedge coupling (10).
3.6.2.3b Forward and rearward stitch length distribution (fine) Caution! Danger of injury! 3.6.2.4 Setting the control knob (including the stitch length limitation) Caution! Danger of injury...
3.6.3 Lower feed wheel 3.6.3.1 Feeding clutches 3.6.3.1.1 Description 3.6.3.1.2 Setting the lever of the second step of feeding (angle, position) Caution! Danger of injury! °...
3.6.3.1.3 Setting of the lower eccentric ° Caution! Danger of injury! ° 3.6.3.1.4 Setting the engagement and disengagement of the clutches ° Caution! Danger of injury! ° ° °...
3.7.6 Top roller 3.7.6.1 Selection of the top roller diameter ø ø 3.7.6.2 Forward, rearward and side setting ø ø Fig. 1 Fig. 2 ° Caution! Danger of injury! 3.7.6.3 Setting the gear clearance and in the mounting of the top roller Caution! Danger of injury! Clearance in the wheel mounting Clearance in the conic gear...
3.10.1 Description 3.10.2 Setting the disengaging moment Caution! Danger of injury! Caution! 3.11.1 Setting the tensioning roller of the indented belt Caution! Danger of injury!
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Caution! Danger of injury! Caution! Danger of injury! Caution! Danger of injury! Caution! Danger of injury!
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4. Thread trimming Caution! Danger of injury! ° Caution! Danger of injury! °...
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Caution! Danger of injury! Caution! Danger of injury! 3÷4 mm Caution! Danger of injury! °...
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Caution! Danger of injury! Caution! Caution! Danger of injury!
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Maintenance Caution! Danger of injury! Operation Time interval 10. Setting the machine according to the sewing category...
4280i - 6XX - X Standard machine setting Sewing Standard sewing parameters category 0,01 mm S P M -100 2500 10,5 -200 2000 10,5 -300 1200 10,5 5 - 8 10/20 -400 10,5 10- 12 2 - 2,5 10.3 Table of possible stitch widths of needles according to the sewing category Sewing Distance of seams (stitch width) Maximum...