Operation Manual

ManualsBrandsDurkopp Adler ManualsMiscellaneous744-122

Contents Page

Preface and General Safety Notes

Part 1: Operating Instructions Cl. 744-122

1. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Summary and Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Technical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3 Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 Replacing the Material Guide Rail by Primary Seams . . . . . . . . . . . . . . . . . . . . . 5

2.2 Attaching the Material Stopper by Primary Seams . . . . . . . . . . . . . . . . . . . . . . . 6

2.3 Setting the Seam Interval by Primary Seams . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 Needles-Yarn-Thread Tensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.5 Inserting the Material and Starting the Sewing Unit . . . . . . . . . . . . . . . . . . . . . . 7

2.6 Thread Monitor for Needle and Bobbin Thread . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.7 Build-on Stacker by Primary Seams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

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Summary of content (8 pages)

PAGE 1
Contents Page Home Preface and General Safety Notes Part 1: Operating Instructions Cl. 744-122 1. 1.1 1.2 1.3 Product Description . . . . Summary and Intended Use Technical Specification . . . Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1. Product Description 1.1_ Summary and Intended Use The 744-122 sewing unit is for sewing pre-determined, straight or curved seams. A rail appropriate to the seam configuration holds and guides the material. The material transport is conducted by a step motor. The sewing unit has electro-pneumatic controls. The Microcontrol control units have the integrated "Multitest" testing and monitoring system. Along with monitoring the sewing process this allows a quick checking of the input and output elements.
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1.2 Technical Specification Nominal voltage: Standard machine 3x380-400V+N, 50 Hz The nominal voltage (operating voltage) for which the sewing unit was set up is shown on the plate attached to the spar at the front left under the table top. For operation with other mains voltages the information contained in the enclosed connection diagram 9870 744001 B must be strictly adhered to and the necessary connection changes made. Depending on the mains voltage and cycle the necessary modification parts, e.g.
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2. Operation Turn main switch off! - Risk of Injury – – – – – when threading when replacing sewing tools e.g. needle when cleaning when leaving the work place unattended by maintenance work 2.1 Replacing the material guide rail by primary seams Turn main switch off! - Risk of Injury! - Inserting – The insertion of the rail is conducted in the reverse order. Removing – Place valve lever 1 in the down position. – Lift the guide piston 2 with its two rollers 9 and 8 out of the rail 3.
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2.2 Attaching the material stopper by primary seams Turn main switch off! - Risk of Injury – – – The contours of the material stopper and the material guide rail must agree in the transport carriage’s right hand position. Turn the star grip 7 back several turns. Slide the holder plate 5 under the star grip 7 in such a manner that its cutout is exactly seated on the collar bolt and the hole locks above the location peg 6. – – – Screw the star grip 7 tight.
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2.4 Needles - Yarns - Thread tension Needles System 934 SIN needles are to be used. (SIN = slightly rounded point) Recommended needle thickness: Nm 80 Nm 90 for thin material Nm 100 for medium material Nm 110 Nm 120 for thick material Throat plates with wider stitch holes are to be used for needle thicknesses above Nm 100. See Section 1.3 Optional Equipment.
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2.6 Thread monitor for needle and bobbin thread The threads are monitored by proximity switches. The needle thread by the b15 switch in conjunction with the metal eye on the arm head. The metal eye and switch b14 for the bobbin thread are immediately in front of the hook. By needle thread breakage the display shows -XBy bobbin thread breakage the display shows -XXThe sewing unit cannot be re-started. When threading: b15 Turn main switch off! - Risk of Injury - b14 1 2.