background image

2.3

Tilting the machine head up

For maintenance work the machine head can be tilted up.
For this purpose the transport carriage must be in its rear position.

Caution: Danger of injury!

Switch the main switch off.
Tilt the machine head up only with the main switch turned off.

Tilting the machine head up

Remove the covering hood 1.
For this purpose lift the covering hood at the front so that the
locking is released. Lift the covering hood off carefully.

Swing the folding station 2 out by 90°.

Swivel the locking lever 4 up.

Lift the fabric sliding sheet 3 at the front and swivel it to the left.

Lift the machine head in the area of the head cover and tilt it up
carefully until catch 5 locks. The latch snaps in additionally.
The space under the machine table is accessible for cleaning work.

Swinging the machine head back

Lift catch 5.

Swing the machine head back carefully.

Caution: Danger of injury!

Hold the machine head tight until it is completely at rest when lowered.

Danger of squashing your fingers between machine head and table
top.

Insert the fabric sliding sheet.

Swivel the locking lever 4 down.

Tilt the folding station 2 back and insert it.

Put the covering hood 1 on again.

13

Summary of Contents for 745-34 Speedpocket

Page 1: ...ation Instructions Service Instructions Instructions for programming DAC 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 1 2 3 4 Ausgabe Edition 08 2005 Printed in Federal Republic of Germany Teile Nr Part No 0791 745171 ...

Page 2: ...ket Manual complete Summary Operating Instructions Installation Instructions Service Instructions Instructions for programming DAC Interconnection diagram 9870 745131 B 9890 745001 B Pneumatic circuit plan 9770 745002 ...

Page 3: ...5 Threading in the needle thread 15 2 6 Winding up the hook thread 16 2 7 Changing the bobbins 17 2 8 Thread tension 19 2 9 Stacking control 20 2 10 Corner knife station 21 2 10 1 Swinging the corner knife station out in 22 2 10 2 Adjusting the corner knives 23 2 11 Reference position Starting the sewing cycle Quick stop 24 2 12 Flap and piping projection 25 2 13 Piping strip length 26 2 14 Workin...

Page 4: ......

Page 5: ...agreed upon can become necessary see EN 60204 31 1999 We as a manufacturer of industrial sewing machines take it for granted that at least semi skilled operators will be working on our products so that we can assume that all usual operations and where applicable their risks are known to them 1 2 Brief description The Dürkopp Adler 745 34S is a sewing unit for runstitching of rectangular piped pock...

Page 6: ...min 2000 r min max 3000 r min Stitch length min 2 0 to 3 0 mm Number of stitches condensed stitches 1 10 stitches Number of stitches bartack stitch 0 5 stitches Number of stitches condensed stitches bartack 0 5 3 0 mm Pocket length max 200 mm Operating pressure 6 bar Air consumption approx 6 NL per work cycle Rated voltage 1 x 230 V 50 60 Hz Dimensions 1540 x 1120 x 1200 mm L x W x H Working heigh...

Page 7: ...Flap clamp left for jackets 0792 011162 Mounting kit K Flap clamp right for trousers 0745 427514 Pincer stacker Universal stacking device pincer stacker for stacking to the side 0797 003031 Pressure line Connection hose to the pneumatic supply line with corresponding couplings 7 ...

Page 8: ...8 1 2 ...

Page 9: ...out to the right side Swing the complete folding station 1 with folder to the right Hint With the sewing unit turned on a safety message appears on the screen of the control panel E r r 9002 Folding station swung out The sewing point is freely accessible Swinging the folding station back Swing the folding station back ATTENTION After the folding station has been swung back it must lock in catch 2 ...

Page 10: ... covering hood back Loosen screw 1 of covering hood 2 Push the covering hood 2 to the left ATTENTION Push the covering hood 2 to the left only so far that the cable 3 of the light barrier is not damaged Push the covering hood 2 back to the right again Secure the covering hood 2 against displacement with the screw 1 Note With the covering hood pushed back a safety message appears on the screen of t...

Page 11: ...ing the hook thread bobbins Swing the folding station 4 out by 90 Lift the fabric sliding sheet 6 in the area of pin 5 and swivel it away to the left For complete removal for maintenance and setting work Remove the fabric sliding sheet 11 6 5 4 ...

Page 12: ...12 1 2 1 4 3 5 ...

Page 13: ...wivel the locking lever 4 up Lift the fabric sliding sheet 3 at the front and swivel it to the left Lift the machine head in the area of the head cover and tilt it up carefully until catch 5 locks The latch snaps in additionally The space under the machine table is accessible for cleaning work Swinging the machine head back Lift catch 5 Swing the machine head back carefully Caution Danger of injur...

Page 14: ... label no 120 on the thread reel of a core thread corresponds e g to the thread size Nm 80 2 see table values in brackets In case of monofilament threads it is possible to use needle threads and hook threads of the same size The best results are achieved with soft and elastic threads software of the thread size 130 Denier Recommended thread sizes Needle size Core thread Core thread Nm Needle threa...

Page 15: ...n screw 2 and remove the needle from the needle holder 1 Insert the new needle in the drill hole of needle holder 1 as far as it will go ATTENTION Seen from the operator s side the hollow groove 4 of the left needle must point to the left and the hollow groove 5 of the right needle to the right see sketch Tighten screw 2 ATTENTION After changing over to another needle size the needle protection on...

Page 16: ...16 3 4 5 6 7 8 9 12 11 10 17 16 15 14 13 1 2 ...

Page 17: ...e guide 15 through the needle thread monitor 14 and through the thread guide 13 not visible Thread the thread through the guide 12 not visible through the drill hole in the needle holder and through the eye of the needle Right needle Put the thread reel on the thread reel holder Thread the thread from the thread reel through the drill hole 1 of the thread reel holder Guide the thread through the g...

Page 18: ... on the left Guide the thread through the guide 4 Guide the thread through the bobbin thread tension 2 Prewind the thread to the right in the front and hind reserve grooves of the bobbin hub The full reserve grooves guarantee a secure winding even with monofilament threads Press the bobbin retainer 3 against the bobbin hub The winder starts After reaching the set bobbin filling quantity the winder...

Page 19: ...y be restarted after the bobbin change See chapter Setting the number of stitches Removing the empty bobbin Switch the main switch off If the transport carriage is in front position push it to the rear by hand Swing the folding station aside Lift the fabric sliding sheet and swivel it to the left see chapter 2 2 Lift the upper part of the bobbin case in the area 2 The bobbin case retainer 1 is lif...

Page 20: ...pulled off the bobbin must turn in the direction of the arrow in the opposite direction to the hook rotation Insert the upper part of the bobbin case 2 with the full bobbin in the lower part of the bobbin case Close the bobbin case retainer 1 Put the fabric sliding sheet on again Switch the main switch on Start a new sewing cycle The stitch counting has been reset to the old value see Programming ...

Page 21: ...ce 3 When setting the tension spring 6 the brake power is to be taken into account Setting the tension spring 6 First set only a minimum tension of leaf spring 6 at the adjusting screw 5 Increase the hook thread tension Turn to the right Reduce the hook thread tension Turn to the left With the bobbin inserted and the hook thread threaded through the throat plate a uniform and easy pull off must be...

Page 22: ...eflon foil 2 is worn it has to be replaced The Teflon foil has the following functions Better withdrawal of material Light beam interruption when the cover is open Caution Danger of injury Do not reach into the run area of the transport carriage when removing the workpiece In case of sewing programs with automatic carriage return the transport carriage moves to the front after release of the light...

Page 23: ...e station The setting of the corner knives with regard to the pocket length is done by adjusting the knife block The distance of the corner knives to the seam is manually adjustable The whole knife block can be tilted out in order to make adjusting and service work possible 23 ...

Page 24: ... the corner knife station 1 out to the left The knives are accessible for adjusting and service work Swinging the corner knife station in Swing the corner knife station 1 back under the sewing unit and let it catch ATTENTION The corner knife station must audibly lock when being pushed in Hinweis If the corner knife station is swung out with the sewing unit switched on the following message appears...

Page 25: ... 4 equally Tighten screws 1 and 3 Adjust the angle of the other pair of knives correspondingly Height of the corner knives The corner knives are not height adjustable The knives always cut through completely Swing the corner knife station in see chapter 2 10 1 Seam beginning Seam end Straight pocket corners Right and left corner knife incisions lie parallel Position of the adjustable knife block T...

Page 26: ... Step forward on the pedal By repeated stepping on the left pedal the various steps of the positioning sequence are started sequentially For positioning corrections Step back on the pedal The last step of the positioning sequence is undone A new positioning can be made Step forward on the pedal The sewing cycle is started Quick stop The safety system of the 745 34S offers two possibilities for an ...

Page 27: ...he respective sewing equipment E No from the Equipment Sheets of the 745 34 1 Folder 2 Piping projection max 40 mm 3 Flap 4 Guide plate on the folder 5 Flap projection max 20 mm 6 Piping strip NA Seam distance a b Material passage on the folder Setting the sewing depth of flap 1 Stop guide 3 determines the sewing depth and thus the flap projection Loosen screws 2 and 4 Adjust stop guide 3 Tighten ...

Page 28: ...h The length of the piping strip must be dimensioned in such a way that it projects approx 20 mm beyond the seam beginning and seam end Thus the piping strip length is as follows Piping strip length Sewing length 2 x 20 mm 28 ...

Page 29: ...ng points are used for the various workpieces e g left and right pieces Aligning the positioning aids This section describes the adjustment and alignment of the positioning aids e g positioning marks marking lamps stop guides etc Positioning and starting the sewing cycle Under this item the individual positioning steps are listed with common positioning examples Caution Danger of injury Do not rea...

Page 30: ...int 4 and at mark 3 Touch the pedal The hind trousers is firmly clamped in its position by the fabric downholder 5 Smooth out the clamped hind trousers in the area of the dart 3rd step Touch the pedal The feeding clamps run forward and lower onto the workpiece A separate lowering of the clamp halves can be programmed For example the right clamp lowers and the fullness from the trousers is manually...

Page 31: ...1st step 2nd step 3rd step 31 2 1 5 4 3 6 7 8 ...

Page 32: ...on the right feeding clamp This positioning method requires the flap clamp right Order No 0792 011162 available as optional equipment The edges 1 and 2 have to be sufficiently caught by the needle but must not be cut by the center knife Left single piping with grown on facing Position the piping strip at the stop guide 3 on the left folding sheet ATTENTION In case of grown on facings the right fol...

Page 33: ...oduction of trousers Right flap clamp Order No 0792 011162 Or Left flap clamp Order No 0792 011161 2 14 2 1 Sewing without light barrier Form stop for the flap The unmachined part 1 is delivered with the flap clamp 2 It has to be machined as a form stop corresponding to the flap used ATTENTION The flap length must correspond to the desired length of the pocket opening 33 2 1 ...

Page 34: ...Rear positioning point applies as a fixed point also for other sewing units further flap lengths Attach the positioning mark 4 for the hind trousers to the fabric sliding sheet The sketch shows the positioning of a right hind trousers part 3 with flap Position the left hind trousers parts in reflected image The position of the flap remains unchanged 34 4 5 3 4 ...

Page 35: ...it the sewing area for the attaching of flaps Always position the flaps within the marked area If the flap is not positioned correctly the error message Err 9721 or Err 9722 appears Correction of seam beginning and seam end The correction of the seam beginning NA and seam end NE when sewing with light barrier is done in the pocket correction program see Programming Instructions 35 2 1 ...

Page 36: ...the main switch off Maintenance work must only be done with the sewing unit switched off 3 1 Cleaning A clean sewing unit protects from malfunctions Clean and check daily Clean the area around the hooks 1 and 2 with the compressed air pistol 36 2 1 ...

Page 37: ...ter out of the water separator 2 under pressure The filter element 1 separates dirt and condensed water After a certain operating time wash the dirty filter tray and the filter element with benzine and blow clean with the compressed air pistol ATTENTION Do not use any solvents for washing out the filter tray and the filter element They destroy the filter tray 37 1 2 ...

Page 38: ...hine head Tilt the machine head up see chapter 2 3 The oil level in the oil reservoir 3 must not drop below the Min marking If necessary fill some oil up to the Max marking through the drill hole in the inspection glass Check the oil level in the oil reservoir 5 for lubrication of the hook Tilt the machine head up see chapter 2 3 Fill the oil reservoir 5 with oil up to the Max marking through the ...

Reviews: