Setting the needle thread tension ..........44 3.8.1 Setting the thread regulator ............44 3.8.2 Setting the thread tensioning spring ........... 45 3.8.3 Setting the thread tension plate ..........46 3.8.4 Calibrating the thread tension plate ..........47 Service manual 906 - 00.0 - 11/2014...
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4.4.2 Cleaning the motor fan mesh ............. 99 Checking the toothed belt ............100 Setting the material feeder linear drive ........100 Setting the hanger movements on the stacker ......102 Setting the clamp movements ..........103 Service manual 906 - 00.0 - 11/2014...
About these Service Instructions About these Service Instructions This service instructions for the 906 CNC sewing unit has been compiled with the utmost care. It contains information and notes to enable the ma- chine to give many years of reliable service.
European and national regulations. The proper use of these components is de- scribed in each manufacturer's manual. Service manual 906 - 00.0 - 11/2014...
1.5.2 Proper use The Dürkopp Adler 906 CNC sewing unit is used for sewing pre-bound pockets. The material requires a needle strength of 120 - 140. The machine is intended only for use with dry sewing material. The mate- rial must not contain any hard objects.
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Risk of electric shock, crushing and punctures! Improper use can result in injury. Be sure to observe all instructions in the manual. NOTE Improper use can result in material damage. Be sure to observe all instructions in the manual. Service manual 906 - 00.0 - 11/2014...
Requirements to be met by the personnel Maintenance work and repairs may only be carried out by qualified tech- nicians. Work on electrical equipment may only be carried out by qualified special- ists. Service manual 906 - 00.0 - 11/2014...
Can result in property damage. ATTENTION Environmental damage can result. The following symbols indicate the type of risk to personnel: Symbols Symbol Type of danger General risk Risk of electric shock Risk of puncturing Risk of crushing Service manual 906 - 00.0 - 11/2014...
Consequences of non-observance. Measures for avoiding the risk. This is what a warning looks like for a hazard that could result in mod- erate or minor injury if the warning is ignored. Service manual 906 - 00.0 - 11/2014...
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NOTE Type and source of risk! Measures for avoiding the risk. This is what a warning looks like for a hazard that could result in mate- rial damage if ignored. Service manual 906 - 00.0 - 11/2014...
Machine damage and malfunctions can be caused by laying the cables incorrectly. Excess cabling may obstruct moving machine parts in their ability to function correctly. This will affect the sewing function and may cause damage. Service manual 906 - 00.0 - 11/2014...
1. Release the locking lever (4) under the table plate. 2. Lift the machine upper section in the head cover region (1) and raise carefully. The latch (5) latches into place. The space under the machine table is now accessible. Service manual 906 - 00.0 - 11/2014...
1. Hold the machine upper section in the head cover region. 2. Release the latch (2). 3. Carefully lower the machine upper section. 4. Latch the locking lever (1) under the table plate. Service manual 906 - 00.0 - 11/2014...
(2) - Head cover Removing the head cover 1. Loosen the screws (1). 2. Remove the head cover (2). Fitting the head cover 1. Fit the head cover (2). 2. Tighten the screws (1). Service manual 906 - 00.0 - 11/2014...
The drive carriage moves to the left stop position. 3. The bobbin flap swings aside. Closing the bobbin flap 1. Release the Safe Stop button. The machine is ready for use again. Service manual 906 - 00.0 - 11/2014...
• Setting the loop stroke and needle bar height • Position 2: Needle at top dead center • 3 mm end in the small groove • Checking the top dead center of the needle bar Service manual 906 - 00.0 - 11/2014...
The machine has no handwheel. Figure 9: Crank ① (1) - Crank Setting steps 1. Press and turn the crank (1) until the machine is in the setting position. Service manual 906 - 00.0 - 11/2014...
3. Push the arm shaft crank (1) to the right as far as it will go. 4. Tighten all the setscrews (2) on the arm shaft crank (1). Service manual 906 - 00.0 - 11/2014...
3. Turn the upper toothed belt pulley (3) such that the setscrews (1) are seated flush on the flat (2) of the arm shaft. 4. Tighten the setscrews (1). 5. Use the screwdriver to push the toothed belt (4) back. Service manual 906 - 00.0 - 11/2014...
3. Move the lower toothed belt pulley (3) sufficiently far to the side that the toothed belt (1) makes contact with the retaining ring (2) without being pushed away. 4. Tighten the setscrews (4). Service manual 906 - 00.0 - 11/2014...
(3) - Needle bar linkage Setting steps 1. Loosen both setscrews (1). 2. Adjust the needle bar linkage (3) so that the needle enters the needle hole (2) precisely in the center. 3. Tighten the setscrews (1). Service manual 906 - 00.0 - 11/2014...
The hook tip (3) is precisely at the center of the needle (1). Fault caused by an incorrect setting • Missing stitches Cover • Raise the upper section ( 3.1.3 Raising the machine upper section, page 14) Service manual 906 - 00.0 - 11/2014...
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Then check the following settings: • Position of the needle guard ( 3.5.4 Adjusting the needle guard, page 29) • Timing of cutting by the thread cutter ( 3.9.5 Setting the cutoff position, page 55) Service manual 906 - 00.0 - 11/2014...
• Head cover ( 3.1.6 Removing and fitting the head cover, page 16) Figure 16: Setting the needle bar height ① ④ ② ③ (1) - Needle bar (3) - Hook tip (2) - Screw (4) - Groove for the needle Service manual 906 - 00.0 - 11/2014...
Reset distance if necessary. Correct setting Machine locked in place at position 1 ( page 18). Maximum 0.1 mm distance between the hook tip and the groove for the needle. Service manual 906 - 00.0 - 11/2014...
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7. Check the loop stroke position ( page 24). 8. Removing the lock ( page 18). Order Then check the following setting: • Position of the needle guard ( 3.5.4 Adjusting the needle guard, page 29) Service manual 906 - 00.0 - 11/2014...
Correct setting Machine is locked in place at position 1 ( page 18). The needle guard pushes the needle away just enough so that it is not touched by the hook tip. Service manual 906 - 00.0 - 11/2014...
The needle guard pushes the needle just enough away so that it can- not be touched by the hook tip. Faults caused by an incorrect setting of the needle guide • Damage to the needle • Missing stitches Service manual 906 - 00.0 - 11/2014...
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4. Loosen the screw (4). 5. Move the needle guide (3) as close as possible against the needle. 6. Tighten the screw (4). 7. Check this distance using a piece of paper (5). Service manual 906 - 00.0 - 11/2014...
Faults caused by an incorrect setting: • Thread breakage • Formation of loops on the bottom side of the seam • Loud machine noise Service manual 906 - 00.0 - 11/2014...
While doing so, ensure that the gap is not so big that the middle part of the hook swings to and fro, hitting the bobbin housing support. 5. Tighten the setscrew (1). 6. Push the cover (3) upwards. 7. Tighten the screw (2). Service manual 906 - 00.0 - 11/2014...
3. Slacken the setscrew (2) and use a hex key to turn the socket-head screw so that the hex key stands exactly vertical. 4. Tighten the setscrew (2). 5. Insert the plug (1) into the opening. Service manual 906 - 00.0 - 11/2014...
2. Remove the gear pinion (3). 3. Move the toothed rack (2) to 16.5 mm below the upper stop. 4. Insert the gear pinion (3) so that the setscrews (4) are horizontal. 5. Tighten the setscrews (4). Service manual 906 - 00.0 - 11/2014...
② ④ 3,5 mm ③ (1) - Mounting plate (3) - Screw (2) - Light barrier (4) - Lever Cover • Head cover ( 3.1.6 Removing and fitting the head cover, page 16) Service manual 906 - 00.0 - 11/2014...
3. Tap on Tools > Service > Multitest > Set stroke position. 4. Tap on walking foot/presser foot until the presser foot is selected. 5. Turn the crank and check that no stroke is performed. Service manual 906 - 00.0 - 11/2014...
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(4) - Stop block (2) - Nut (5) - Lifting gear lever (3) - Stop screw Setting steps 1. Release the nut (2). 2. Turn the stop screw (3) appropriately. 3. Tighten the nut (2). Service manual 906 - 00.0 - 11/2014...
The eccentric (3) for the presser foot must be set so that when • the needle bar is at bottom dead center – the presser foot is lowered • after the loop stroke – the presser foot stroke starts. Service manual 906 - 00.0 - 11/2014...
5. Input a presser foot height of 1.0 mm. 6. Move to position 7. Turn the presser foot to bottom dead center. The distance between the throat plate and presser foot must be 1 mm. Service manual 906 - 00.0 - 11/2014...
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5 mm (corresponding to a 4 mm presser foot stroke). Note The distance between min. and max. positions may have to be deter- mined. If one of these settings is changed the other setting must be checked again. Service manual 906 - 00.0 - 11/2014...
1. Switch the machine off and on again. 2. Reference the machine and check that the needle bar is at top dead center. Cover • Arm cover ( 3.1.5 Removing and fitting the arm cover, page 16) Service manual 906 - 00.0 - 11/2014...
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The switch S100 then switches. 8. Tighten the setscrew (1). 9. Remove the locking peg (3). 10.Switch the machine off and on again. 11.Check that the needle bar is at top dead center. Service manual 906 - 00.0 - 11/2014...
2. Loosen the screw (2). 3. Move the thread regulator: • To reduce the tension: Slide to the left • To increase the tension: Slide to the right 4. Tighten the screw (2). Service manual 906 - 00.0 - 11/2014...
3. Setting the spring tension: Turn the tension disc (3): • Greater spring tension: Turn counterclockwise • Less spring tension: Turn clockwise Take care the stop collar (1) does not twist. 4. Tighten the screw (4). Service manual 906 - 00.0 - 11/2014...
(3) does not turn with the nut. 17.Tap on ESC and check that the tensioning discs (4) open easily. 18.Tap on Calibration 1 and check the closure of the tensioning discs. 19.Repeat the procedure for the 2nd thread tensioner. Service manual 906 - 00.0 - 11/2014...
4. If variations greater than ±10 % are found: Set the thread tensions once again and repeat the calibration. 5. If the variations persist: Clean any dirt from the thread tensioners includ- ing the magnets. Service manual 906 - 00.0 - 11/2014...
In rest position, the thread-pulling knife (1) completely covers the cutting edge of the counter-blade (2). This prevents the needle thread from being damaged. The pivot range of the thread-pulling knife is 23°. Service manual 906 - 00.0 - 11/2014...
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Individual settings Control cam Figure 34: Control cam ④ ⑤ (4) - Control cam (5) - Clamping ring The control cam (4) must make contact with the stop on the clamping ring (5). Service manual 906 - 00.0 - 11/2014...
(1) and locking pin (6) is a maximum of 0.1 mm. Setting steps 1. Release the nut (4). 2. Turn the setscrew (5) and adjust the distance. 3. Tighten the nut (4). Service manual 906 - 00.0 - 11/2014...
• The control cam (7) makes contact with the clamping ring (6). • The marking (2) on the thread-pulling knife (1) is adjacent to the cutting edge of the counter-blade. • The knife carrier (3) must have no axial play, but still run smoothly. Service manual 906 - 00.0 - 11/2014...
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11.Release all 4 screws (6) on the clamping ring and push as far as they will go and against the control cam (7). 12.Tighten all 4 screws on the clamping ring (6). 13.Check the loop stroke. Service manual 906 - 00.0 - 11/2014...
4. Turn the handwheel until the cutter swings back. 5. Check whether the sewing threads have been cleanly cut. Faults caused by an incorrect setting • Increased knife wear when the pressure is too great • Problems in cutting the thread Service manual 906 - 00.0 - 11/2014...
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1. Swing out the thread-pulling knife (6) until the marking (5) is next to the cutting edge of the counter-blade (4). 2. Loosen the screw (7). 3. Turn the counter-blade (4) against the thread-pulling knife (6). 4. Tighten the screw (7). Service manual 906 - 00.0 - 11/2014...
Setting steps 1. Turn the crank the position where the thread lever is at top dead center. 2. Loosen the setscrews (2). 3. Turn the control cam (1) correspondingly. 4. Tighten the setscrews (2). Service manual 906 - 00.0 - 11/2014...
1. Undo the setscrews (2) and pull out the bearing with the gear pinion (1) forwards. 2. Dismantle the drive (3). 3. Undo all 3 screws (4) and remove the drive shaft. 4. Loosen the screw (5). Service manual 906 - 00.0 - 11/2014...
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8. Pull the clamp (6) right up to the top and pull the material presser bar (9) out upwards. Fitting 1. Fitting is the reverse of removal. Order After the drive (1) has been tightened, set the presser foot height 3.7.5 Setting the presser foot height, page 40. Service manual 906 - 00.0 - 11/2014...
4. Insert gage 0911 294000 into the bracket of the outer frame. • Loosen both screws (3) if necessary. 5. Tap the 2 button. The gage is locked. 6. Tap the OK button to exit the menu. Service manual 906 - 00.0 - 11/2014...
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8. Press both start buttons. The machine performs a reference run. 9. Remove the gage, install the configuration set and set it if necessary, 4.6 Setting the material feeder linear drive, page 100. Service manual 906 - 00.0 - 11/2014...
Figure 43: Check the machine zero point with semi-finished parts set ③ ① ② (1) - Hole (3) - Screws (2) - Outer frame 0906 410444 Service manual 906 - 00.0 - 11/2014...
5. In the Extras > Clamp change mode menu, tap on button 2. 6. Insert gage 0911 294000 (2) into the bracket of the outer frame. • Loosen both screws (1) if necessary. Service manual 906 - 00.0 - 11/2014...
• 0906 410444 – outer frame (corresponds to gage 0911 294000) • 0906 410434 – transfer frame (corresponds to gage 0911 294010) Testing the alignment of the material feeder using the semi-finished parts set is very similar to testing using gages. Service manual 906 - 00.0 - 11/2014...
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⑤ ② ③ ④ (1) - Screws (5) - Screws (2) - Outer frame 0906 410444 (6) - Locking peg (3) - Transfer frame 0906 410434 (7) - Material feeder (4) - Hole Service manual 906 - 00.0 - 11/2014...
2. Insert all four screws (1) and tighten them loosely. 3. Tension the toothed belt (2) using the screw (5) (384 Hz). 4. Tighten all four screws (1). 5. Connect the plug (4). Service manual 906 - 00.0 - 11/2014...
3. Insert all four screws (2) and tighten them loosely. 4. Tension the toothed belt (5) using the screw (3) (185 Hz). 5. Tighten all four screws (2). 6. Connect the plug (1). 7. Tighten the equipotential bonding conductor (4). Service manual 906 - 00.0 - 11/2014...
Order 1. Setting the transfer plate inclination and downforce pressure. 2. Setting the transfer plate height. 3. Setting the inner slider inclination and downforce pressure. 4. Setting the outer frame inclination. Service manual 906 - 00.0 - 11/2014...
4. Switch on the sewing unit at the main switch and lower the transfer plate (1) onto the sewing material. 5. Repeat the setting steps if the sewing material is not being held uniformly. 6. Tighten the counternuts. The transfer plate inclination is set. Service manual 906 - 00.0 - 11/2014...
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4. Press the rotary knob (4) on the pressure reducer (6) down. The red marking (5) is no longer visible. The pressure setting is locked. The downforce pressure on the transfer plate is set. Service manual 906 - 00.0 - 11/2014...
6. If a collision occurs, correct the transfer plate (2) height. • Loosen the adjustment screw (4), correct the position and retighten the adjustment screw (4). 7. After correction, push the transfer plate (2) to the right into the end posi- tion. Service manual 906 - 00.0 - 11/2014...
Use the Multitest menu to check the setting ( 3.16 Testing inputs and outputs, page 73): 5. Switch off output element Y4. 6. Switch on output element Y5 and check that the sewing material is being held uniformly. Service manual 906 - 00.0 - 11/2014...
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5. Press the rotary knob (4) on the pressure reducer (6) down. The red marking (5) is no longer visible. The pressure setting is locked. The downforce pressure on the inner slider is set. Service manual 906 - 00.0 - 11/2014...
6. Switch on output element Y12 and check that the sewing material is being held uniformly. 7. Repeat the setting steps if necessary. 8. Tighten the counternuts. The outer frame inclination is set. Service manual 906 - 00.0 - 11/2014...
The number of the element is displayed on the Selected: button. 3. Tap the Selected: button. 4. Test the element using the On/Off or Switchover buttons, depending on the type of the input or output element. Service manual 906 - 00.0 - 11/2014...
Bundle removal Reserved for laser 3.16.1 Testing the sewing motor WARNING Risk of injury from sharp or moving parts. Do reach into the machine during function testing of the input or output elements. Service manual 906 - 00.0 - 11/2014...
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The window for entering the cutting speed opens. 5. Enter the desired value (70 - 500 rpm). 6. Tap the button. The sewing motor runs at the entered sewing speed. 7. Tap the button. The sewing motor stops. Service manual 906 - 00.0 - 11/2014...
Move to position Set the sewing foot height Switch off the power to the drives Manually check the freedom of motion of the sewing foot rod 2. Tap the desired symbol and execute the function. Service manual 906 - 00.0 - 11/2014...
1. Tap the menu items Extras > Service > Initialization and Update. The initialization and update menu appears. Figure 57: Initialization and Update Service manual 906 - 00.0 - 11/2014...
Attention: Initializing the control panel resets all values to the factory default settings. All changes are lost. 1. Tap the Initialize the control panel option. The control panel is reset to the factory default settings. Service manual 906 - 00.0 - 11/2014...
If the automatic update does not function then you can use the menu items Extras > Service > Initialization and Update with the Update the controller option to import a specific software version. Contact the Dürkopp Adler Service Hotline for this. Service manual 906 - 00.0 - 11/2014...
Check the water level in the pressure controller • Check the filter element in the maintenance unit • Check the tightness of the pneumatic system Electrical system • Clean controller ventilation grill • Clean sewing drive ventilation grill Service manual 906 - 00.0 - 11/2014...
DA 10 can be obtained under the following part numbers at DA sales offices: • 9047 000011 – 250 ml • 9047 000012 – 1 l • 9047 000013 – 2 l • 9047 000014 – 5 l Service manual 906 - 00.0 - 11/2014...
• Top up the oil to no higher than the MIN marking. • Allow the machine to perform 50 cycles, then check the oil level again. • If necessary, top up the oil to the MAX marking. Service manual 906 - 00.0 - 11/2014...
• Turning clockwise: Less oil is released The released amount of oil does not change until the operating time has run a few minutes. Sew for several minutes before you check the setting again. Service manual 906 - 00.0 - 11/2014...
1. Remove screws (1). 2. Carefully remove cover (2). Important An electric cable is located on the quick-stop button in the cover. You should therefore put the cover in position on the material feeder. Service manual 906 - 00.0 - 11/2014...
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1. Compress grease into the linear guide (4) via the lubricating nipple (3) until it escapes. 2. Remove any excess grease. The linear guide is lubricated. Fitting the cover 1. Fit the cover (2). 2. Screw in the screws (1) and tighten them. Service manual 906 - 00.0 - 11/2014...
3. Compress grease into the linear guides of trolley the via the lubricating nipple (1) until it escapes. • Lubricate linear guides on the left and right sides. 4. Remove any excess grease. The linear guides are lubricated. 5. Installing covers. Service manual 906 - 00.0 - 11/2014...
1. Switch off the sewing unit at the main switch. 2. Compress grease into the linear guide (1) via the lubricating nipple (2) until it escapes. 3. Remove any excess grease. The linear guide is lubricated. Service manual 906 - 00.0 - 11/2014...
(1) - Outer frame (2) - Inner slider Dismantling steps 1. Move the machine to home position ( Operating instructions 906). 2. Activate clamp change mode ( Operating instructions 906). 3. Hold the outer frame (1). 4. Tap the 2 button on the screen.
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1. Remove shaft retaining rings (3) and the individual parts. 2. Clean all parts thoroughly. 3. Lubricate overlapping surfaces in order to improve sliding friction. • Use grease sparingly. 4. Assemble the inner slider in the reverse order. Service manual 906 - 00.0 - 11/2014...
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(5). The inner slider must remain fully apart. 2. Tap the 1 button on the screen. The transfer plate is closed. 3. Check that the inner slider is flush with the limit stop (6). Correct the position if necessary. Service manual 906 - 00.0 - 11/2014...
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1. Slide the outer frame (7) as far as the stopper (8) into the bracket and hold it in this position. 2. Tap the 2 button on the screen. The transfer plate is closed. Service manual 906 - 00.0 - 11/2014...
2. Turn the turning handle until the pressure indicator (2) indicates 6 bar: • Turning counterclockwise: to reduce pressure • Turning clockwise: to increase pressure 3. Press in the adjustment knob (1) again. Service manual 906 - 00.0 - 11/2014...
Maintenance steps 1. Place the collection tray under the drain screw (3). 2. Unscrew the drain screw (3) completely. 3. Allow water to drain into the collection tray. 4. Tighten the drain screw (3). Service manual 906 - 00.0 - 11/2014...
4. Blow out the filter element (1) using a compressed air gun. 5. Wash out the filter tray using benzine. 6. Tighten the filter element (1). 7. Tighten the water separator (2). 8. Tighten the drain screw (3). Service manual 906 - 00.0 - 11/2014...
• Area under the throat plate (3) • Hook (2) • Area around the needle (1) Cleaning step 1. Dust and fiber residues must be removed with a compressed air gun or a brush. Service manual 906 - 00.0 - 11/2014...
Figure 75: Cleaning the motor fan mesh ① (1) - Motor fan mesh Cleaning step 1. Sewing dust and fiber residues must be removed with a compressed air gun. Service manual 906 - 00.0 - 11/2014...
1. Set the choke travel speed (2) such that the drive carriage (1) moves quickly. • Close the choke: The drive carriage moves more slowly. • Open the choke: The drive carriage moves more quickly. Service manual 906 - 00.0 - 11/2014...
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Make the setting alternately and in small steps. Information • You can use the Multitest menu to activate each drive carriage sep- arately in order to test the setting. Service manual 906 - 00.0 - 11/2014...
Make the setting on both chokes. Information • You can use the Multitest menu to activate each pneumatic cylinder in order to test the setting. • A collision check is only possible during operation. Service manual 906 - 00.0 - 11/2014...
6.1 Pneumatic circuit diagram, page 111. Correct setting • High travel speed • Soft, quiet stopping in the stop position. Figure 79: Setting on the choke ④ ③ (3) - Counternut (4) - Adjustment screw Service manual 906 - 00.0 - 11/2014...
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• You can use the Multitest menu to activate each pneumatic cylinder separately in order to test the setting. Fitting the cover 1. Fit the cover (2). 2. Screw in the screws (1) and tighten them. Service manual 906 - 00.0 - 11/2014...
• Encoder cable not connected or • Check/replace the encoder cable defective • Replace the stepper motor • Encoder defective 2152 X-axis stepper motor overcurrent • Replace the stepper motor • Replace the controller Service manual 906 - 00.0 - 11/2014...
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• Encoder cable not connected or • Check/replace the encoder cable defective • Replace the encoder • Encoder defective 2352 Stroke position stepper motor • Replace the stepper motor overcurrent • Replace the controller Service manual 906 - 00.0 - 11/2014...
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Internal error • Switch the machine off and on again 3722 • Software update • Notify DA Service 4201 Internal CF card defective • Switch the machine off and on again • Retrofit/replace controller Service manual 906 - 00.0 - 11/2014...
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Close the bobbin change flap 9701 Parallel clamps not lowered • Remove obstacles • Adjust sensors 9900 Incorrect machine parameter Initialize the data 9901 Incorrect sequences Initialize the data 9902 Incorrect program parameter Initialize the data Service manual 906 - 00.0 - 11/2014...
9006 Quick-stop button is active. Release the Quick-stop button 9016 Incorrect barcode ID Change the program 9100 The counter has not reached the Tap the OK button. The counter is specified value. reset. Service manual 906 - 00.0 - 11/2014...
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Troubleshooting Service manual 906 - 00.0 - 11/2014...
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