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.
Alle Rechte vorbehalten. Eigentum der Dürkopp Adler AG und urheberrechtlich geschützt. Jede, auch auszugsweise Wiederverwendung dieser Inhalte ist verboten. All rights reserved. Property of the Dürkopp Adler AG and copyrighted. Reproduction or publication of the content in any manner, without express permission of the publisher, is prohibited. Tous droits réservés. Propriété de la société Dürkopp Adler AG et protégé par la loi sur le droit d’auteur.
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: Preface und general safety instructions Part 1: Operating manual Cl. 767 (Edition: 10/2008) 1. Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3. 3.1 Subclasses Optional equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4. 4.1 Technical data Subclass technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5. 5.1 5.2 5.
Contents Page: 10. 10.1 10.2 10.3 10.4 10.5 10.6 10.7 Optional equipment Residual-thread monitor RFW 13-3/RFW 13-6/RFW 13-8/RFW 13-9 2nd Stitch length STLS 13 - 2 . . . . . . . . . . . . . . . . . . . . . . . Electro-pneumatic rapid stroke adjustment HP 13 - 7 . . . . . . . . . Upper and lower conveyor rollers SP 470 . . . . . . . . . . . . . . . . Automatic lowering WTA 13 - 2 . . . . . . . . . . . . . . . . . . . . . . . Additional tension FS 13 - 1 . . . . . . . . . . . . . . . . . . . . . . . . .
1. Product description The DÜRKOPP ADLER 767 is a special sewing machine with universal applications. · · Flat-bed double-stitch sewing machine with lower conveyor, needle transport and alternating upper foot conveyor. Subclasses available: one or two needles, with or without edge cutter and with or without thread trimmer beneath the stitch plate. Single-needle machines are convertible to double-needle machines.
3. Subclasses The following table lists the features of the various subclasses. Subclass - 73 AE - 73 AE - 5 - 73 FA - 73 LG - 73 FA - 273 FA S - 473 ***) 373 FA - 373 *) KFA - 373 **) KFA - 573 ****) FAS - 373 ***) FAS - 573 ***) VF - 373 VF - 573 Legend: 3.
4. Technical data Rated voltage: 3 ~ 400 V, 50 Hz 1 ~ 230 V, 50/60 Hz Dimensions: Weight: Working height: (H x W x D) approx. 56 kg 790 mm Noise: work-place-related emission value in accordance with DIN 45635-48-A-1-KL2 767 - FA - 373 - 373 Lc = 83 dB (A) 1570 x 500 x 1050 mm (machine head only) (ex works) -1 stitch length: 5 mm sewing-foot stroke: 1.5 mm stitch rate: 3 000 min material: G1 DIN 23328 4-layer 767 - FA - 373 - 373 Lc = 83 dB (A) stitch length: 7.2 mm sewing-foot stroke: 5.
4.1 Subclass technical data Subclass 767 -73 -373 -FA- 73 -FA-373 -FAS-473 -FA-273 -273 -LG-73 stitch rate: - max. - ex works [min -1 ] [min ] -1 3200 3200 3500 3200 3200 3200 3500 3200 3200 3000 stitch length: - forwards - backwards [mm] [mm] 9 9 9 9 9 9 9 9 9 9 stroke height of alternating sewing feet: - max.
Subclass -VF-573 -VF-373 stitch rate: - max. - ex works [min -1 ] [min ] stitch length: - forwards - backwards -1 -AE-5-73 -KFA-373 -FAS-373 -FAS-573 -AE-73 -573 3000 2800 2800 2800 3500 3200 3500 3200 3200 3200 [mm] [mm] 9 9 9 9 9 9 9 9 9 9 stroke height of alternating sewing feet: - max.
1 14 15 - 2 3 4 + 7 8 9 10 11 12 5 6 13 5. Operation 5.1 Upper thread Caution! Danger of injury! Turn off main switch! The upper thread may only be threaded with the sewing machine switched off. Threading upper thread (needle thread) – Place the thread spool on its column and pass the thread through the guide eyelets of the take-up arm. – Pass the thread through guide 7 and anti-clockwise round pre-tensioner 8. Pass thread once more through guide 7.
– Pass the thread clockwise round tension unit 4, past thread-tensioning spring 3 and through guide 2. – – Pass the thread through thread lever 1 and through guides 2, 5 and 6. Pass the thread through the needle, pull a few centimetres of thread through and cut it off. Threading the upper thread (2-needle machines) Sewing machines with 2 needles are threaded similarly to single-needle machines. The differences can be seen in the illustration.
1 2 3 4 5 6 7 8 12 9 10 11
5.3 Lower thread Look out! Danger of injury! Turn off main switch! The lower thread may only be threaded with the sewing machine switched off. Threading the lower thread (hook thread) – – Place the thread spool on its column. – Pass the thread anti-clockwise round tensioner 1 and once more through the thread guide. – Carefully wind a few turns of thread anti-clockwise onto the spool by hand and place the spool on its column. – Swivel the bobbin winder 4 against the empty spool.
1 2 3 14
5.4 Changing the needle Look out! Danger of injury! Turn off main switch! The needle may only be threaded with the sewing machine switched off. – – – – Turn the handwheel until the needle bar has reached its uppermost position. – Tighten screw 1. Undo screw 1. Remove needle. Insert the new needle with its throat towards the hook and push it up as far as it will go. IMPORTANT ! If a needle of a different thickness is fitted the settings must be altered as specified in the service manual.
1 2 16
5.7 Sewing-foot stroke The height of the sewing-foot stroke is set with adjusting wheel 1. Machines without FA (without Thread Trimmer) On these machines the speed of rotation is not checked. Please comply with the note and table below. Machines with FA (with Thread Trimmer) The sewing-foot stroke and stitch rate are interdependent. A potentiometer is linked mechanically with the adjusting wheel 1.
5.8 Sewing-foot pressure 1 4 2 3 5 The required sewing-foot pressure is set with rotary knob 1. – 5.9 to increase sewing-foot pressure = turn knob 1 clockwise to decrease sewing-foot pressure = turn knob 1 anti-clockwise. Stitch length The required stitch length is set with rotary knob 2. – to increase stitch length = turn knob 2 clockwise to decrease stitch length = turn knob 2 anti-clockwise. 5.9.
6. Keys on sewing arm 5 5 1 Key key 1 key 2 key 3 key 4 = = = = LED LED 5 = LED 6 = LED 7 = 2 3 6 6 (7) 7 4 1 2 3 (4) Function Intermediate lock-stitches during sewing Raises or lowers needle Suppress starting or finishing lock-stitches Stitch length GB Display Sewing motor switched on Lock-stitches suppression switched on Stitch length – Press and hold down key 1. Intermediate lock-stitches are sewn. The machine sews backwards for as long as the key is held down. – Press key 2.
7. Control unit and operating panel IMPORTANT ! This manual covers only those key functions and parameter changes available to the operator. For a more detailed description of the control unit please consult the motor manufacturer’s current Operating manual (supplied). The operating panel is used to program the control unit and to set seam functions. Depending on the nature of the job, sewing may be executed manually or by seam programming.
7.
7.
Symbol Functions A* Key for bar tack suppression or activation B** Key for needle up/down or shift-key in programming mode C Abbreviation C for the code number D Abbreviation F for the parameter number E Program number in teach-in mode F Seam-section number in teach-in mode G Cut-out active H Entry via keys disabled I Error message J Stitch-rate entry in teach-in mode K Bobbin-thread monitor on.
7.3 Changing parameter values CAUTION! After changing parameters it is essential to carry out a sewing run. Only then is the altered setting properly saved. If sewing does not take place, the new setting is lost when the main switch is turned off. Parameters are changed and switched on and off with the “P”, “E”, “+” and “-” keys on the operating panel. The parameters which can be changed at operator level are listed below. 1. 2. – 3. Switch on mains. Start programming mode Press the “P” key.
7.5 Operator-level parameter list for EFKA controls DA82GA and 6F82FA Parameter No. Abbr. 000 001 002 003 004 Arv Arr Err Erv LS 005 LSF 006 LSn 007 Stc 008 F 009 010 LS cLS 013 014 015 080 FA FW StS SAv 081 SAr 082 SEr 083 SEv 085 cFW Name/Function Adj.
8.
1 2 3 Sewing process 4 1 2 3 (4) Operation/explanation At start of seam Sew starting lock-stitch and continue - Push pedal forwards and hold it there. The starting lock-stitch is sewn. Sewing then continues at the speed of rotation determined by the pedal. Sew only starting lock-stitch - Push pedal forwards briefly. The machine halts in the 1st position after the starting lock-stitch. Do not sew starting lock-stitch - Press key 3, then push pedal forwards.
Sewing process Transfer-seam over-sewing - Operate knee switch. The speed of rotation is restricted to 2 000 stitches/min. At the end of the seam - Pull pedal fully back and hold it there. The finishing lock-stitch is sewn. The thread is cut off. The machine halts in the 2nd position. The needle is up (turn-back ). The sewing feet are up. Remove material 28 Operation / Explanation Do not raise sewing feet - Briefly pull pedal fully back. The finishing lock-stitch is sewn. The thread is cut off.
9. Maintenance Caution! Danger of injury! Turn off main switch! Maintenance may only be carried out with the sewing machine switched off. Maintenance work must be carried out no less frequently than at the intervals given in the tables (see “operating hours” column). Maintenance intervals may need to be shorter when processing heavy-shedding materials. 9.1 Cleaning and inspection A clean sewing machine is a protection against malfunctions.
Maintenance work to be carried out Explanation Upper part of machine Places in special need of cleaning: - area under the needle plate 1 - feeders - area around the shuttle 2 - upper part of bobbin housing 3 - inner surface of shuttle cover - needle-thread tensioners 8 - Clean oil collector. - Remove lint and oil spills with a cloth 8 - Check the function of the safety clutch.
9.2 Lubrication 1 2 1 (until July 2003) (from August 2003) Check the oil level at the sight glass 2 every week. GB Top up the oil reservoir only with DA-10 oil or an equivalent oil with the following specification: – – 2 Viscosity at 40° C : 10 mm /s Ignition point: 150 °C DA-10 can be obtained from DÜRKOPP ADLER AG sales outlets.
10. Optional equipment 10.1 Residual-thread monitor RFW 13-3/RFW 13-6/RFW 13-8/RFW 13-9 1 The residual-thread monitor monitors the amount of thread in the shuttle bobbin. An acoustic signal is sounded when only a small amount of thread is left. The operative can finish the seam and fit a new spool. This avoids material damage and thus any need for repairs. The residual-thread monitor RFW 13-3, part no.: 0767 367629, can be fitted to all single-needle 767 sewing machines with a thread cutter.
Caution! Danger of injury! Turn off main switch! The shuttle bobbin must not be changed unless the machine is switched off. – Change the bobbin. A new seam can now be sewn. IMPORTANT ! The bobbin must be put in place with the groove 2 facing downwards. The area of the spool housing and the light barrier must be kept free of dust. If the empty bobbin is not replaced by a full one, the acoustic signal sounds again when the next seam is sewn.
10.2 2nd stitch length STLS 13 - 2 2 1 3 4 The facility to activate a 2nd stitch length makes it possible to switch rapidly from the assembly seam to the subsequent overstep seam. The 1st or 2nd stitch length is selected with the keys on the sewing arm. The 2nd stitch length is always smaller than the 1st. The 2nd stitch length is active when the machine is switched on.
10.2.1 Integrated second stitch length The subclasses 767-FAS-373-RAP-HP, 767-FAS-573-RAP-HP, 767-KFA-373-RAP-HP, 767-KFA-573-RAP-HP, 767-FAS-473-RAP-HP are equipped with a second stitch length. Herewith it is possible to activate a shorter second stitch length just via a switch. 1 2 3 4 Both stitch lengths are defined by means of the two setting wheels 1 and 2. – – Set the longer stitch length with the upper setting wheel. – With the switch 4 you can change over from one stitch length to the other.
10.3 Electro-pneumatic rapid stroke adjustment HP 13 - 7 1 2 The sewing-foot stroke and stitch rate are interdependent. A potentiometer is linked mechanically with the adjusting wheel. By means of this potentiometer the control unit detects what foot-stroke has been set and restricts the speed of rotation accordingly. The values are given in the table on page 17. The maximum stroke can be activated while sewing is in progress with the knee switch 2.
10.4 Upper and lower conveyor rollers SP 470 1 2 3 The removal of the material by the upper and lower conveyor rollers after sewing ensures a smooth and uniform product. The speed with which the material is removed can be exactly matched to the stitch length. The pressure can be set at a level appropriate to the material. GB – Lever 1 Matches the speed of the upper and lower conveyor rollers to the stitch length set.
10.5 Automatic lowering WTA 13 - 2 This is an optional item to go with the upper and lower conveyor rollers. It enables the stitches to be adjusted from the beginning of the seam to the automatic lowering of the upper roller. This ensures that the roller is not lowered until the material is beneath it.
10.6 Additional tension 10.6.1 Additional tension FS 13-1 The classes 767-FAS-373-RAP-HP, 767-FAS-573-RAP-HP, 767-KFA-373-RAP-HP, 767-KFA-573-RAP-HP can be equipped with a pneumatic additional tension FS 13-1 (for 2 needle machines with pneumatic additional tension - on request). Prerequisite is the sewing drive DC1600 / DA82GA. 1 5 10.6.2 Operation If required, the pneumatic additional tension can be engaged or disengaged at any time. – The additional tension is activated by key 5.
10.6.4 Function of the additional thread tension depending on the stroke adjustment (HP) and the Speedomat Parameter adjustment F-197 F-197 F-197 F-197 = = = = 0 1 2 3 Stroke adjustment (HP) max. via knee switch 0 1 0 (*) 1 Stroke adjustment by setting wheel when the HP-speed of parameter F-117 is reached (Speedomat) 0 0 1 1 (*) When the max.
10.7 Seam center guide (only if 767-E74/... existing) 10.7.1 General In order to operate the seam center guide the sewing drive DC1600/DA82GA is required. The seam center guide serves as guiding aid for topstitching operations. It guides the center of two parallel seams to ensure an equal distance to the left and the right needle.
10.7.2 Working method and parameter adjustment of the seam center guide (in conjunction with sewing drive DC1600/DA82GA only) When the machine is switched off, the seam center guide is down (= on). Immediately after the machine has been switched on the seam center guide is always up (= off). The seam center guide can be switched on and off at any time by means of key 5 (see operating instructions) of the 5-key-panel at the machine.
11. Short thread trimmer (KFA) 11.1 Check EPROM-Version It is necessary to have at least the EPROM-Version 3312 “F”. You can check the EPROM-Version with Parameter 179.
11.4 Thread clamp (Thread feeding device) With the thread clamp and the relevant electronic components, the thread is pulled downward and swallowed up while sewing on. In order to avoid a thread breakage (the thread can get jammed between the sewing foot and material) the sewing foot is briefly relieved. The strength of the relief depends on the position of the adjusting wheel (stroke adjustment).
