H867 Operating Instructions
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Table of contents Table of contents 1 1.1 1.2 1.3 1.4 1.5 General information.............................................................3 Scope of application of the manual........................................3 Declaration of conformity .......................................................3 Applicable documentation......................................................3 Damage during transport .......................................................3 Limitation of liability...........................
Table of contents 8.8 8.9 8.10 8.11 8.12 8.12.1 8.12.2 8.13 8.14 8.14.1 8.14.2 8.14.3 8.15 8.15.1 8.17 8.18 Fitting the setpoint device.................................................... 37 Inserting the machine upper section ................................... 37 Fitting the damper ............................................................... 38 Fitting the oil extraction line................................................. 38 Fitting the knee lever ....................................................
General information 1 General information 1.1 Scope of application of the manual This manual describes the intended use and the set-up of the long arm machine, H867. It is valid for all submodels listed in Section 5 Technical data. Operation of the drive is described in a separate operating manual. 1.2 Declaration of conformity The machine complies with the European regulations specified in the declaration of conformity or in the installation declaration. 1.
Safety instructions 2 Safety instructions This section contains basic instructions for your safety. Read the instructions carefully before setting up or operating the machine. Make sure to follow the information included in the safety instructions. Failure to do this can result in serious injury and damage to the machine. 2.1 General safety instructions Only authorized persons may use the machine. Every person who works with the machine must have read the operating manual first.
Safety instructions Safety equipment may not be removed or put out of service. If this cannot be avoided for a repair operation, the safety equipment must be refitted and put back into service immediately afterwards. Work on electrical equipment may only be carried out by qualified specialists. The connecting cable must have a power plug approved in the specific country. The power plug may only be connected to the power cable by a qualified specialist. Work on live components and equipment is prohibited.
Safety instructions Examples of the layout of the safety instructions in the text: DANGER Type and source of the hazard Consequences in the event of noncompliance Measures for avoiding the hazard This is what a hazard note looks like for a hazard that will result in serious injury or even death if not WARNING Type and source of the hazard Consequences in the event of noncompliance Measures for avoiding the hazard This is what a hazard note looks like for a hazard that could result in serious injury or eve
Product description 3 Product description The Dürkopp Adler H867 is a heavy-duty long arm machine with extra large looper. It is a flatbed sewing machine for double backstitches. The material to be sewn is moved by lower transport, needle transport and alternating foot upper support. Technical features: • Extra-large 3XL looper 40 mm bobbin diameter. • DC drive for all submodels. • Safety snap-on coupling for preventing any misadjustment of or damage to the looper in the event of a thread jamming.
Intended use 4 Intended use The Dürkopp Adler H867 is for sewing moderately heavy to heavy material. Moderately heavy to heavy material requires a needle strength of 140 - 180 Nm. Heavy material requires a needle strength of 180 - 230 Nm. The maximum thickness of the material to be sewn is 15 mm. The machine is only intended for processing dry material. The sewing machine is intended for industrial use. WARNING Hazard due to high voltage, crushing and sharp objects. Improper use can result in injuries.
Technical data 5 Technical data Model/ submodel Length/width/height [mm] H867190362-70 H867290362-70 1090/220/500 Weight/with direct drive [kg] 68/72 68/72 Noise: workplace-specific emission value as per DIN EN ISO 10821 for: Sewing stitch type Backstitch 301 Looper type Vertical, oversize (3XL) Number of needles 1 2 Needle system 328 (794 and 7x23 possible after conversion) Maximum needle strength [Nm] 230 Sewing thread thickness 5/3 Stitch length, forwards / backwards [mm] 12 / 12
Additional equipment 6 Additional equipment Additional equipment H86719036270 Material number H86729036270 Electropneumatic needle cooling from above for 1-needle machines (NK 20- ) H867 59 X Electropneumatic needle cooling from below for 1-needle machines (NK 20- ) H867 59 X Electropneumatic needle cooling from above (NK 20- ) H867 59 X Electropneumatic needle cooling from below (NK 20- ) H867 59 X Electropneumatic needle cooling from below (NK 20-5 ) 0867 590024 Residual-thread monitor
Additional equipment Additional equipment H86719036270 Material number H86729036270 Edge stop, swiveling N800 080007 X X X X X Edge stop, swiveling N800 080036 X X X X X Edge stop / ruler on needle plate slide (2nd seam clearance suitable for swiveling edge stops) N800 080022 X X Edge stop with 2 pneumatically adjustable seam clearances / fastening on the needle plate slide N800 005648 Edge stop, swiveling (like Del Veccia) N800 080033 Seam center guide from front, pneumatically s
Operating instructions 7 Operating instructions 7.
Operating instructions 7.3 Inserting and replacing the needle WARNING Risk of injury by the needle point and moving parts. Switch off the sewing machine before replacing the needle. Do not touch the needle point. r q w (1) - Needle bar (2) - Needle screw (3) - Looper (4) - Groove e Figure 3: Inserting and replacing the needle • Turn the handwheel back until the needle bar (1) reaches the upper end position. • Loosen the needle screw (2). • Pull the needle out towards the bottom.
Operating instructions 7.4 Threading in the needle thread WARNING Risk of injury by the needle point and moving parts. Switch off the sewing machine before inserting the thread. q (1) - Guide on the unwinding bracket (2) - Thread reel holder (3) - Additional guide on the machine arm e w Figure 4: Thread guide on the unwinding bracket and machine arm • Fit the thread reel on the thread reel holder (2).
Operating instructions • Guide the thread counterclockwise around the additional tensioner (4). • Guide the thread clockwise around the main tensioner (5). • Guide the thread under the additional screw (6) to the thread tensioning spring. • Lift the tightening lever (9) with the thread. • Pull the thread under the spring tip (8).
+ – – + Operating instructions w – + 1234 – + q + (1) - Tensioning screws in triangular arrangement for the first needle thread (2) - Tensioning screws in triangular arrangement for the second needle – + + – – Figure 7: Needle thread threading procedure for 2-needle machines • Guide the threads through the guides and around the tensioning screws in such a way that the threads do not intersect.
Operating instructions q t 4 5 6 9 1 2 – r w + – – + e – + 1234 + (1) - 1. thread guide (2) - Looper thread guide (3) - Bobbin winder (4) - Looper thread winding tension (5) - 2. thread guide Figure 9: Winding on the looper thread - part 1 • Insert the thread from the rear to the front through the right hole in the 1st thread guide (1).
Operating instructions ATTENTION Damage to the sewing feet or needle plate possible if the thread is wound on without material. Lock the sewing feet in place in the highest position and adjust the sewing foot stroke to the smallest value if you wind on thread without sewing material. • Switch on the sewing machine. • Press the foot pedal forwards. The machine sews and winds the looper thread from the thread reel onto the bobbin. When the bobbin is full, the machine automatically stops winding.
Operating instructions • • • • • • Automatic residual thread monitor Pull the looper thread under the looper spring (3). Guide the looper thread through the 2nd looper slot (5). Press the looper flap (1) down. Insert the looper thread through the looper flap guide (4). Turn the handwheel until the looper thread comes up. Pull the looper thread and needle thread back together and hold them tight when sewing starts, to avoid jamming the threads.
Operating instructions q – + 7.7.1 Adjusting the needle thread tension The three tension-adjusting wheels determine the needle thread tension. (1) - Pre-tensioner (2) - Additional tensioner (3) - Main tensioner – + w – + 1234 e Figure 14: Adjusting the needle thread tension The main tension (3) determines the normal tension during sewing. The additional tension (2) increases the tension during sewing, e.g. for thickened seams. The additional tension (2) is switched on and off using the keypad.
Operating instructions 7.7.2 Adjusting the looper thread tension WARNING Risk of injury by the needle point and moving parts. Switch off the sewing machine before adjusting the looper thread tension. q (1) - Adjusting screw Figure 15: Adjusting the looper thread tension The looper thread tension is adjusted using the adjusting screw (1). To increase the tension: • Turn the adjusting screw (1) clockwise. To reduce the tension: • Turn the adjusting screw (1) counterclockwise. 7.
Operating instructions 7.9 Lifting the sewing feet You use the foot pedal during sewing, e.g. to move the material being sewn. q (1) - Foot pedal Figure 17: Foot pedal • Press the foot pedal (1) half the way back. The machine stops and lifts the sewing feet. The sewing feet remain up as long as the foot pedal is pressed back half the way. If the foot pedal is pressed back completely, the machine sews an end strip and stops sewing. Machines with automatic thread cutter cut the thread off. 7.
Operating instructions 7.11 Sewing foot pressure The adjusting wheel at the top left determines the contact pressure of the sewing foot on the material to be sewn. The pressure can be adjusted continuously by turning the wheel. q (1) - Adjusting wheel for the sewing foot pressure – + Figure 19: Adjusting wheel for the sewing foot pressure To increase the sewing foot pressure: • Turn the adjusting wheel (1) clockwise. To reduce the sewing foot pressure: • Turn the adjusting wheel (1) counterclockwise.
Operating instructions q (1) - Knee lever (2) - Switch w Figure 21: Knee lever The elevated sewing foot stroke is activated using the knee lever (1). There is a switch (2) at the back of the knee lever (1), which determines whether the sewing foot stroke is applied continuously or only as long as the knee lever is pressed. For permanent conversion: • Turn the switch (2) up To switch on the elevated sewing foot stroke: • Push the knee lever (1) to the right.
Operating instructions 7.13 Stitch length The two adjusting wheels on the machine column determine the stitch length. The stitch length can be adjusted continuously between 0 and 12 mm. The adjusting mark (4) on the left on the wheel indicates the stitch length selected.
Operating instructions 7.14 Setting quick functions at the keypad The keys activate specific functions during sewing.
Operating instructions Transferring a key function to the additional switch: y q w e r t +/– + o u i (1) - Key for sewing backwards (2) (3) (4) (5) (6) (7) (8) (9) - Key for the position of the needle Key for the start and end strips Key for the stitch length Key for the additional thread tension Screw in basic position: slot horizontal Screw activates the additional switch (9): slot vertical Screws for the assignment of the additional switch (9) Additional switch Figure 25: Transferring a key functi
Operating instructions 7.15 Sewing The foot pedal starts and controls the sewing process. (1) - Pedal position +1: sewing active (2) - Pedal position 0: rest position (3) - Pedal position -1: moves the sewing feet up (4) - Pedal position -2: sewing the end strip and cutting off the thread q w e r Figure 26: Sewing with the foot pedal Initial position: • Pedal position 0: Machine stationary, needles up, sewing feet down.
Operating instructions 7.16 Maintenance This section describes simple maintenance work that needs to be carried out on a regular basis. This maintenance work can be carried out by the operating personnel. Advanced maintenance work may only be carried out by qualified specialists. Advanced maintenance work is described in the service manual. WARNING Risk of injury by the needle point and moving parts. Switch off the sewing machine before carrying out maintenance work. 7.16.
Operating instructions ATTENTION Malfunctions possible due to machine contamination. Sewing dust and thread remains can impair the operation of the machine. Clean the machine at regular intervals as described in the manual. 7.16.2 Checking the oil level WARNING Skin injuries due to contact with oil. Oil can cause a rash if it comes into contact with the skin. Avoid any skin contact with the oil. If oil gets on your skin, wash the affected skin areas thoroughly.
Operating instructions Oil to be used: Only DA 10 or an oil of equivalent quality may be used for the machine, which has the following properties: • Viscosity at 40° C: 10 mm²/s • Flash point: 150° C ATTENTION Machine damage possible due to incorrect oil. An incorrect oil type can cause damage to the machine. Only use oil that complies with the data in the operating manual. 7.16.
Operating instructions Water condensation may accumulate in the water separator of the pressure controller. 6 4 8 2 10 0 q w (1) - Filter element (2) - Water separator (3) - Drain screw e Figure 30: Water level in the pressure controller Check the water level every day: • The condensation water must not rise up to the level of the filter element (1). Drain water as required: • Switch off the sewing machine at the main switch. • Place the collection tray under the drain screw (3).
Set-up instructions 8 Set-up instructions WARNING Risk of injury The machine may only be set up by trained specialists. 8.1 Checking the delivery scope The delivery scope depends on the order. • Prior to set-up, check that all parts required are present.
Set-up instructions 8.2 Removing the transport securing devices All transport securing devices must be removed prior to set-up. • Remove the lashing straps and wooden blocks from the machine upper section, the table and the frame. • Remove the supporting wedges between the machine arm and needle plate. 8.
Set-up instructions 8.5 Completing the table plate Making your own table plate The table plate belongs to the optional delivery scope. If you want to make your own table plate, drawings with the dimensions are available in the Appendix.
Set-up instructions 8.6 Fastening the table plate to the frame q q (1) - Screw holes and screws Figure 35: Fastening the table plate to the frame • Place the table plate on the head sections of the inner bars. • Screw the table plate firmly in place at the screw holes (1). 8.7 Fitting the control e q w (1) - Screw holder (2) - Control (3) - Strain relief Figure 36: Fitting the control • Screw the control (2) onto the 4 screw holders (1) under the table plate.
Set-up instructions 8.8 Fitting the setpoint device q w e r 10° (1) - Angle (2) - Setpoint device (3) - Pedal rod (4) - Pedal Figure 37: Fitting the setpoint device • Screw the angle (1) under the table plate. • Screw the setpoint device (2) onto the angle (1). • Pull the pedal rod (3) to the correct length: 10° inclination with pedal (4) released • Attach the pedal rod (3). 8.
Set-up instructions 8.10 Fitting the damper The damper cushions the machine's weight when it is folded over. q w (1) - Screw-on angle (2) - Damper spring Figure 39: Fitting the damper • Fold the machine upper section back. • Fasten the damper spring (2) in the oil pan. • Connect the damper components and guide them through the hole in the back of the oil pan. • Screw the angle (1) firmly in place under the table plate. 8.
Set-up instructions 8.12 Fitting the knee lever Submodels H867-190362-70 and H867-290362-70 have an electric knee lever. Submodels H867-190060-70 and H867-290060-70 have a mechanical knee lever. 8.12.1 Fitting the electric knee lever q (1) - Knee lever (2) - Connecting cable (3) - Plug w e Figure 41: Fitting the electric knee lever • Screw the knee lever (1) under the oil pan firmly in place under the table plate. • Guide the connecting cable (2) to the back between the oil pan and the control.
Set-up instructions 8.13 Fitting the control panel q t w r e (1) - Control panel (2) - Control panel bracket (3) - Cable duct (4) - Cover on the machine arm (5) - Machine cover Figure 43: Fitting the control panel - part 1 • Unscrew the cover on the machine arm (4) and the upper machine cover (5). • Screw the control panel (1) firmly onto the control panel bracket (2). • Install the connecting cable through the cable duct (3).
Set-up instructions 8.14 Electrical connection DANGER Danger to life due to electric shock. The machine may only be connected by trained specialists. Disconnect the power plug before carrying out work on the electrical equipment. The voltage on the type plate of the sewing drive must correspond to the mains voltage. 8.14.1 Fitting the sewing lamp The sewing lamp is an additional component that is not part of the standard delivery package. DANGER Danger to life due to electric shock.
Set-up instructions 8.14.2 Fitting and connecting the sewing lamp transformer DANGER Danger to life due to electric shock. The sewing lamp transformer is connected directly to the power supply. If you disconnect the sewing machine from the power supply at the main switch, the sewing lamp transformer is still live. Disconnect the power plug before fitting and connecting the sewing lamp transformer.
Set-up instructions 8.14.3 Connecting the direct drive To do this, read the DAC operating manual, basic/classic. Connecting the direct drive consists of the following work: • Insert the plugs of all connecting cables in the sockets on the back of the control. • Connect the cable for equipotential bonding. • Connect the control to the power supply using the power cable. 8.15 Pneumatic connection 8.15.
Set-up instructions 8.15.2 Setting the operating pressure ATTENTION Machine damage possible due to incorrect pressure. An incorrect pressure can cause damage to the machine. The operating pressure for the pneumatic unit is 6 bar. Make sure that the operating pressure is set correctly before putting the machine into operation. q (1) - Turning handle (2) - Pressure indicator 6 4 8 2 10 0 w Figure 49: Setting the operating pressure • Pull the turning handle (1) up.
Set-up instructions 8.15.3 Lubrication WARNING Skin injuries due to contact with oil. Oil can cause a rash if it comes into contact with the skin. Avoid any skin contact with the oil. If oil gets on your skin, wash the affected skin areas thoroughly. All wicks and felt bits of the upper section are soaked in oil on delivery. This oil is conveyed to the reservoir during use, which is why you should avoid filling too much oil during initial filling.
Set-up instructions 8.16 Sewing text Carry out a sewing test before starting up the machine. Adjust the machine to the requirements of the material to be sewn. To do this, read the corresponding sections of the operating manual. WARNING Risk of injury by the needle point and moving parts. Switch off the sewing machine before replacing the needle, insert the thread, insert the looper thread reel, adjust the looper thread tension and the thread regulator. • • • • • • • • • • • Insert the needle.
Appendix 9 Appendix Dimensions for manufacturing a tabletop, part 1 Operating manual H867 Version 00.
Appendix Dimensions for manufacturing a tabletop, part 2 48 Operating manual H867 Version 00.
Subject to design changes - Printed in Germany - © Dürkopp Adler AG - Original Instructions - 0791 867761 - 00.0 - EN - 01/2012 DÜRKOPP ADLER AG Potsdamer Str. 190 33719 Bielefeld Germany Phone +49 (0) 521 925 00 E-Mail: service@duerkopp-adler.com www.duerkopp-adler.
