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Operation

Operating Instructions 969 PURE - 00.0 - 04/2020

4.7.1

Adjusting the needle thread tension

The needle thread tension is determined by the 3 adjusting wheels
of the tensioning screws.

In the basic position, the top of the adjusting wheel is flush with
the screw in the center.

Fig. 12: Adjusting the needle thread tension

To adjust the needle thread tension:

Turn the adjusting wheel to the desired tension.

• To increase the tension: Turn the adjusting wheel

clockwise

• To reduce the tension: Turn the adjusting wheel

counterclockwise

Checking the needle thread tension

To check the needle thread tension:

Sew a seam and check the following.
Deviations require an adjustment of the individual tensioner
elements.

Pretension

The pretension (4) holds the thread in position if main tension (2)
and additional tension (1) are completely open.

Turn the pretension adjusting wheel (4)

• Shorter initial thread: Turn the adjusting wheel clockwise

• Longer initial thread: Turn the adjusting wheel

counterclockwise



The length of the initial thread should be approx. 60 - 80 mm.

(1) - Additional tension
(2) - Main tension

(3) - Lever
(4) - Pretension

④

①

②

③

Содержание 969 PURE

Страница 1: ...969 PURE Operating Instructions...

Страница 2: ...er AG and protected by copyright Any reuse of these contents including extracts is prohibited without the prior written approval of D rkopp Adler AG Copyright D rkopp Adler AG 2020 IMPORTANT READ CARE...

Страница 3: ...he machine 18 4 3 Inserting changing the needle 19 4 4 Threading the needle thread 21 4 5 Winding the hook thread 24 4 6 Changing the bobbin 26 4 7 Thread tension 28 4 7 1 Adjusting the needle thread...

Страница 4: ...l 60 6 7 Inserting the machine head 61 6 8 Reel stand 64 6 8 1 Assembling the reel stand to the machine head 64 6 8 2 Assembling the reel stand at the tabletop 65 6 9 Electrical connection 66 6 10 Che...

Страница 5: ...oftheproductandkeepiteasily accessible 1 1 For whom are these instructions intended These instructions are intended for Operators This group is familiar with the machine and has access to the instruct...

Страница 6: ...ent Cover Specifies which covers must be disassembled in order to access the components to be set Steps to be performed when operating the machine sewing and equipping Steps to be performed for servic...

Страница 7: ...rd symbols levels of danger and their signal words are described separately in the chapter Safety p 7 Location information If no other clear location information is used in a figure indications of rig...

Страница 8: ...Unauthorized modifications to the machine Use of untrained personnel Use of unapproved parts Transport D rkopp Adler cannot be held liable for breakage and transport damages Inspect the delivery immed...

Страница 9: ...tools Leaving the workstation Performing maintenance work and repairs Threading Missingorfaultypartscouldimpairsafetyanddamagethemachine Only use original parts from the manufacturer Transport Use a l...

Страница 10: ...sor Do not use a damaged machine any further Safety equipment Safety equipment should not be disassembled or deactivated If it is essential to disassemble or deactivate safety equipment for a repair o...

Страница 11: ...r to personnel CAUTION with hazard symbol If ignored moderate or minor injury can result CAUTION with hazard symbol If ignored environmental damage can result NOTICE without hazard symbol If ignored p...

Страница 12: ...could result in serious or even fatal injury if ignored This is what a warning looks like for a hazard that could result in moderate or minor injury if the warning is ignored DANGER Type and source o...

Страница 13: ...property damage if ignored This is what a warning looks like for a hazard that could result in environmental damage if ignored NOTICE Type and source of danger Consequences of non compliance Measures...

Страница 14: ...Safety 12 Operating Instructions 969 PURE 00 0 04 2020...

Страница 15: ...scription 3 1 Components of the machine Fig 1 Components of the machine 1 Hand lever 2 Adjusting wheel for sewing foot stroke 3 Adjusting wheel for sewing foot pressure 4 Winder 5 Sewing foot with nee...

Страница 16: ...intended for industrial use The machine may only be set up and operated in dry conditions on well maintained premises If the machine is operated on premises that are not dry and well maintained then...

Страница 17: ...ions 969 PURE 00 0 04 2020 15 3 3 Declaration of Conformity ThemachinecomplieswithEuropeanregulationsensuringhealth safety and environmental protection as specified in the declara tion of conformity o...

Страница 18: ...Machine description 16 Operating Instructions 969 PURE 00 0 04 2020...

Страница 19: ...eparing the machine for operation Complete the following steps in preparation of sewing before starting to work Inserting changing the needle Threading the needle thread Inserting and winding on the h...

Страница 20: ...and off the machine Switching on the machine To switch on the machine 1 Turn the main switch 3 to the I position LEDs 1 and 2 illuminate Switching off the machine To switch off the machine 1 Turn the...

Страница 21: ...and moving parts Puncture possible Switch off the machine before you insert or change the needle Do not reach into the needle tip NOTICE Property damage may occur There is a risk of machine damage ne...

Страница 22: ...le Skip stitches After inserting a longer needle Damage to the hook tip Damage to the needle Skip stitches Fig 3 Inserting changing the needle To insert or change the needle 1 Turn the handwheel until...

Страница 23: ...off the machine before threading the needle thread Do not reach into the needle tip NOTICE Property damage may occur An incorrect tube height setting may lead to tension deviations as a result of the...

Страница 24: ...he slot in the holder of the pretension 2 5 Guide the thread clockwise around the pretension 2 6 Insert the thread from the front to the rear through the slot in the holder of the pretension 2 7 Inser...

Страница 25: ...tom through guide 9 and guide 10 14 Feed the thread through the upper slot at the holder of the tension 11 15 Feed the thread counterclockwise around the tension 11 16 Insert the thread through the lo...

Страница 26: ...rushing possible Switch off the machine before winding the hook thread Do not reach into the needle tip NOTICE Property damage may occur An incorrect tube height setting may lead to tension deviations...

Страница 27: ...the tension 2 4 Insert the thread from the front to the rear through the slot in the holder of the tension 2 5 Insert the thread through the guide 3 6 Clamp the thread under the thread pulling knife 4...

Страница 28: ...ng the bobbin 1 To change the bobbin 1 Switch off the machine 2 Slightly depress the hook cover 2 at the slot and push it to the right CAUTION Risk of injury from sharp and moving parts Puncture or cr...

Страница 29: ...t Fig 10 Changing the bobbin 3 4 Remove the empty bobbin 8 5 Insert the full bobbin into the bobbin case 4 Make sure that the driver hole 9 is pointing to the bobbin case 6 Depress the bobbin case 4 u...

Страница 30: ...ant Hold both threads in place when starting to sew for the first time 4 7 Thread tension Together with the hook thread tension the needle thread tension influences the final seam pattern With thin se...

Страница 31: ...wheel clockwise To reduce the tension Turn the adjusting wheel counterclockwise Checking the needle thread tension To check the needle thread tension 1 Sew a seam and check the following Deviations re...

Страница 32: ...needle thread pops out of the tensioning plate Additional tension The additional tension 1 increases the needle thread tension during sewing e g for thickened seams Proper setting The additional tensi...

Страница 33: ...nsion NOTICE Property damage may occur If adjusted incorrectly the thread pulling direction can result in faulty tensioning results Be sure to pull the hook thread in the proper direction NOTICE Prope...

Страница 34: ...2 has reached the position shown above 3 Pull the hook thread 3 off the bobbin Ensure that the hook thread is as shown above pulled off as close to the bobbin case 2 as possible 4 Turn the adjusting w...

Страница 35: ...ension over the thickest point of the hook To adjust the needle thread regulator 1 Press the needle thread regulator 2 toward the opening 5 in opening direction 3 2 Adjust the needle thread regulator...

Страница 36: ...al needle positioning Fig 15 Positioning the needle To position the needle manually 1 Use the hand lever 1 to lift the sewing feet and remove the existing sewing material 2 Turn the handwheel 3 until...

Страница 37: ...cated by the scale on the handwheel and an arrow marking on the belt cover 2 4 9 Sewing feet CAUTION Risk of injury from moving parts Crushing possible Do not reach under the sewing feet NOTICE Proper...

Страница 38: ...l Fig 16 Lifting the sewing feet with the pedal Lifting the sewing feet To lift the sewing feet 1 Press the pedal 1 The machine stops and lifts the sewing feet The sewing feet remain up as long as the...

Страница 39: ...Lifting the sewing feet manually Lifting the sewing feet To lift the sewing feet 1 Turn the lever to position 1 2 The sewing feet are raised by 14 mm 2 Turn the lever to position 2 3 The sewing feet...

Страница 40: ...y transported Disturbance Excessively high sewing foot pressure Tearing of the sewing material Sewing feet impressions on the sewing material Excessively low sewing foot pressure Slipping of the sewin...

Страница 41: ...sufficient an auxiliary spring 3 can be used to increase the sewing foot pressure 1 Unscrew the adjusting wheel 1 2 Insert the auxiliary spring 3 3 Screwintheadjustingwheel 1 andadjustthedesiredsewing...

Страница 42: ...transported with a consistent stitch length Disturbance Excessively high sewing foot stroke abrupt impact of the sewing feet increased noise level the machine is damaged by the excess stress Excessive...

Страница 43: ...Adjusting the stitch length The stitch length can be adjusted continuously between 0 and 12 mm Fig 20 Adjusting the stitch length To adjust the stitch length 1 Turn the adjusting wheel Reduce stitch l...

Страница 44: ...ons 969 PURE 00 0 04 2020 4 10 2 Sewing backwards Fig 21 Sewing backwards To sew backwards 1 Push the stitch regulator 1 down Reverse sewing will remain active for as long as the stitch regulator 1 is...

Страница 45: ...with a swivel stand can be swiveled down making it possible to increase the space below the free arm Fig 22 Swiveling the tabletop down CAUTION Risk of injury from moving parts Crushing possible Switc...

Страница 46: ...top is centered by pins and must be pulled off the pins before it can be swiveled 3 Loosen the split pin 2 and pull the swivel portion off the tabletop 1 Important Position the clamp 3 in such a way t...

Страница 47: ...by qualified specialists Service Instructions Maintenance intervals WARNING Risk of injury from sharp parts Punctures and cutting possible Prior to any maintenance work switch off the machine or set...

Страница 48: ...he compressed air gun so that the particles do not fly close to people Make sure no particles fly into the oil pan NOTICE Property damage from soiling Sewing dust and thread residues can impair the op...

Страница 49: ...ad trimmer 2 Hook 4 Thread pulling knife 5 Area between throat plate and feed dog 3 To clean the machine 1 Switch off the machine 2 Disassemble the throat plate 3 3 Remove the plugs 6 and 7 4 Remove a...

Страница 50: ...ury from contact with oil Oil can cause a rash if it comes into contact with skin Avoid skin contact with oil If oil has come into contact with your skin wash the affected areas thoroughly NOTICE Prop...

Страница 51: ...oil level must not rise above the maximum level marking 2 or drop below the minimum level marking 3 To top off the oil 1 Switch off the machine 2 Fill oil through the oil filler opening 1 no higher th...

Страница 52: ...Maintenance 50 Operating Instructions 969 PURE 00 0 04 2020 5 3 Parts list A parts list can be ordered from D rkopp Adler Or visit our website for further information at www duerkopp adler com...

Страница 53: ...the machine head Lashing straps and wooden blocks from the table Lashing straps and wooden blocks from the stand Supporting wedges between machine arm and throat plate WARNING Risk of injury from cut...

Страница 54: ...mbling the standard stand Fig 25 Assembling the standard stand To assemble the standard stand 1 Screw the cross member 2 to the stand bars 7 2 Screw the oil can holder 6 to the stand bar 7 3 Screw the...

Страница 55: ...tand 1 Screw the side panels 13 to the rear panel 1 and the cross member 8 2 Screw the bolted parts to the left side panel 7 and the cross member 5 3 Tighten the head section 15 1 Rear panel 2 Swiveli...

Страница 56: ...older 2 6 Tighten the hinge 6 7 Tighten the setpoint device holder 9 8 Rotate the stand and tighten the cross member 10 to the outer side panels Important Turn the feet 12 so that the stand has even c...

Страница 57: ...p To complete the standard tabletop 1 Turn the tabletop over so that the underside is facing up 2 Assemble all components to the underside of the tabletop as shown above 3 Secure all components using...

Страница 58: ...the tabletop over so that the underside is facing up 2 Assemble all components to the underside of the tabletop as shown above 3 Tighten the stop 3 4 Attach the oil can holder 4 5 Secure the connecti...

Страница 59: ...he stand 2 on the tabletop as shown above 2 Screw the stand 2 into the previously drilled holes 3 Screw the foot button 1 in as close to the left bar of the stand s cross member as possible 4 Press th...

Страница 60: ...les 2 are aligned with the tabletop 2 Tighten the foot button 8 as close to the left side panel 4 as possible 3 Press the lugs at the end of the pull rod 6 onto the round pin of the setpoint device 5...

Страница 61: ...rom moving parts The tabletop can sink under its own weight when the screws on the stand bars are loosened Crushing possible Ensure that your hands are not jammed when loosening the screws CAUTION Ris...

Страница 62: ...l 3 Tighten the screws 2 6 6 Adjusting the pedal Fig 32 Adjusting the pedal To adjust the pedal 1 Adjust the pedal 3 so that it is centered relative to the axis of the needle 2 Adjust the connecting p...

Страница 63: ...m moving parts Crushing possible Ensure that your hands are not jammed when inserting the machine head NOTICE Property damage may occur Possible damage to the machine head from impact with the tableto...

Страница 64: ...Setup 62 Operating Instructions 969 PURE 00 0 04 2020 Fig 33 Inserting the machine head 1 standard tabletop 1 Eye bolt 2 Machine head 3 Tabletop 4 Screws 5 Oil hose with attachment 6 Fiber washer...

Страница 65: ...the eye bolt 1 into the machine head 2 2 Use a crane to lift the machine head 3 Insert the oil hose with attachment 5 and the fiber washer 6 4 Place the machine head 2 onto the tabletop and attach it...

Страница 66: ...he reel stand to the machine head To assemble the reel stand to the machine head 1 Tighten the reel stand holder 3 to the machine head 6 using screws 5 2 Fit the reel stand arm 7 to the reel stand hol...

Страница 67: ...ng the reel stand at the tabletop Fig 36 Assembling the reel stand at the tabletop To assemble the reel stand at the tabletop 1 Assemble the reel stand 1 2 Insert the reel stand 1 into the hole in the...

Страница 68: ...he control as follows Insert the plug of all cables into the sockets on the back of the control Connect the equipotential bonding Use the power cable to connect the control to the mains grid Fig 37 Co...

Страница 69: ...10 Checking the lubrication All wicks and felt bits of the machine head are soaked in oil at the factory The oil is conveyed to the reservoir during use This is why you should avoid filling too much o...

Страница 70: ...Setup 68 Operating Instructions 969 PURE 00 0 04 2020...

Страница 71: ...rom soiling 6 Cover the control to protect it from soiling 7 Cover the entire machine if possible to protect it from contam ination and damage WARNING Risk of injury from a lack of care Serious injuri...

Страница 72: ...Decommissioning 70 Operating Instructions 969 PURE 00 0 04 2020...

Страница 73: ...able national regulations When disposing of the machine be aware that it consists of a range of different materials steel plastic electronic components etc Follow the national regulations when disposi...

Страница 74: ...Disposal 72 Operating Instructions 969 PURE 00 0 04 2020...

Страница 75: ...73 9 Troubleshooting 9 1 Customer Service Contact for repairs and issues with the machine D rkopp Adler AG Potsdamer Str 190 33719 Bielefeld Germany Tel 49 0 180 5 383 756 Fax 49 0 521 925 2594 Email...

Страница 76: ...and hook thread have not been threaded correctly Check threading path Needle is bent or sharp edged Replace needle Needle is not inserted correctly into the needle bar Insert the needle correctly into...

Страница 77: ...assembly of the reel stand Thread tensions are too tight Check thread tensions Throat plate hook or spread have been damaged by the needle Have parts reworked by qualified specialists Loose stitches...

Страница 78: ...Troubleshooting 76 Operating Instructions 969 PURE 00 0 04 2020...

Страница 79: ...ISO 8573 1 2010 7 4 4 Technical data Unit 969 PURE Machine type Lockstitch 301 Hook type Barrel shuttle XL large Number of needles 1 Needle strength Nm 140 280 Thread strength Nm 43 3 5 3 needle thre...

Страница 80: ...Technical data 78 Operating Instructions 969 PURE 00 0 04 2020...

Страница 81: ...Appendix Operating Instructions 969 PURE 00 0 04 2020 79 11 Appendix 11 1 Tabletop drawings Fig 38 Fixed tabletop with slot...

Страница 82: ...Appendix 80 Operating Instructions 969 PURE 00 0 04 2020 Fig 39 Fixed tabletop without slot...

Страница 83: ...Appendix Operating Instructions 969 PURE 00 0 04 2020 81 Fig 40 Swiveling tabletop...

Страница 84: ...Appendix 82 Operating Instructions 969 PURE 00 0 04 2020 11 2 Components on the underside of the tabletop Fig 41 Fixed tabletop with or without slot...

Страница 85: ...Appendix Operating Instructions 969 PURE 00 0 04 2020 83 Fig 42 Swiveling tabletop...

Страница 86: ...according to walking foot stroke 11 4 Stroke limits of the walking foot according to material Walking foot stroke mm Maximum revolutions of the machine 1 min 2 7 1250 7 9 1100 9 11 900 11 12 700 Sewi...

Страница 87: ......

Страница 88: ...Germany Phone 49 0 521 925 00 Email service duerkopp adler com www duerkopp adler com Subject to design changes Part of the machines shown with additional equipment Printed in Germany D rkopp Adler AG...

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