767 Spezialnähmaschine Betriebsanleitung D Instruction manual GB Manuel d'instructions Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld Telefon +49 (0) 5 21 / 9 25- 00 • Telefax +49 (0) 5 21 / 9 25 24 35 • www.duerkopp-adler.com Ausg. / Edition: Änderungsindex 10/2008 Rev. index: 03.0 Printed in the Czech Republic Teile-Nr./Part.-No.
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Foreword This instruction manual is intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations. The instruction manual contains important information on how to operate the machine securely, properly and economically. Observation of the instructions eliminates danger, reduces costs for repair and down-times, and increases the reliability and life of the machine.
General safety instructions The non-observance of the following safety instructions can cause bodily injuries or damages to the machine. 1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. 2. Before putting into service also read the safety rules and instructions of the motor supplier. 3. The machine must be used only for the purpose intended. Use of the machine without the safety devices is not permitted.
Contents page: Part 2: Cl. 767 Installation instructions 1. Items delivered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. 2.1 2.2 2.3 2.4 2.5 2.6 Setting up Erecting the upper part . Transport . . . . . . . . . V-belt tension . . . . . . Reel stand . . . . . . . . Working height. . . . . . Knee lever . . . . . . . . . . . . . . 5 5 5 7 7 7 3. 3.1 3.2 3.3 Electrical connection Rated voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. Items supplied Which items are supplied depends on your order. Please check that all the required components are present before beginning setting-up work. – Basic machine with one or two needles, with or without thread clipper and with or without edge cutter.
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2. Setting up IMPORTANT ! The special sewing machine may only be set up by trained specialist personnel. Packing must be removed prior to setting-up. – – Remove safety bands and wood from upper part, table and frame. Remove safety bands and block from motor. 2.1 Erecting the upper part If the special sewing machine was not delivered fully assembled: – Screw hinges 2 and 3 to base plate. Attach upper-part support 1. – – – – Fit upper part.
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2.4 Reel stand The structure and position of the reel stand 1 can be seen in the illustration. – – Fit reel stand 1 and secure it with nuts 2 and washers 3. Fit reel-stand holder and take-up arms. The reel-stand holder and take-up arms must be vertically in line. 2.5 Working height Working height is adjustable between 750 and 900 mm. It is pre-set at 790 mm prior to delivery. – – – Loosen screw 4 on both sides of the frame. Place the machine at the desired working height and ensure that it is level.
3. Electrical connection IMPORTANT ! All work on the electrical equipment of this special sewing machine may only be carried out by qualified electricians or other appropriately trained persons. The mains plug must be removed. 3.1 Rated voltage IMPORTANT ! The mains voltage must coincide with the rated voltage specified on the model-identification plate. 3.
3.3 Checking positioning 1 2 The sewing machine should be positioned with the thread lever at top dead centre. The position transmitter 2 is fixed to the shaft with the position-transmitter ring 1. With fully-assembled sewing machines the pre-set position is indicated by a coloured mark. GB Checking positioning – Switch on the sewing machine. Pull pedal fully back and hold it there. The thread is clipped and the sewing machine positioned in the 2nd position.
4. Pneumatic connection 1 2 The pneumatic system of the special sewing machine and its optional equipment must be connected to a supply of moisture-free compressed air. Air pressure must be between 8 and 10 bar. Connecting the compressed-air maintenance unit – Connect hose 2 (order no. 0797 003031) to the compressed-air supply with an R ¼" hose connector. Adjusting the operating pressure Operating pressure is 6 bar. It can be read from the pressure gauge.
5. Filling with oil 1 2 1 (until July 2003) (from August 2003) GB Top up the oil reservoir only with DA-10 oil or an equivalent oil with the following specification: – – Viscosity at 40° C : Flash point: 2 10 mm /s 150 °C DA-10 can be obtained from DÜRKOPP ADLER AG sales outlets (see operating manual, page 27). – – Remove oil-filling screw 1 and pour in oil. – Replace oil-filling screw 1. Clean up any oil overflow. Check oil level at sight glass 2.
5.1 Regulation of hook lubrication IMPORTANT ! The oil quantity is pre-set at a relatively high level in order to ensure adequate lubrication during running-in. This setting should be checked and corrected after running-in (approx. 50 hours). See also or service manual. Caution Risk of Injury ! Turn the main switch off. Set the hook lubrication only with the sewing machine turned off. Conduct function tests with the machine running only with the greatest possible caution.
5.2 Lubricating wicks and felt 1 GB 2 3 4 5 6 The wicks and felt 1 must be soaked with a little oil when setting up the machine and following any extended period of disuse. – – – Unscrew cap 2. Soak wicks and felt 1 with a little oil. Replace and tighten cap 2. The felt tab 3 of the cap must be clamped between the recirculating felt 4 and the nipple of the wick 6. The film 5 must be in contact with the inside of the cap.
6. Sewing test 1 A sewing test must be carried out following setting-up. Look out! Danger of injury! The upper and lower threads must be threaded with the sewing machine switched off. – – – Thread upper and lower threads. – – First carry out the test slowly, then at a higher speed. 14 Select material 1 to be sewn. Switch on sewing machine and set the required functions at the control unit.
