Duerkopp Adler 841-27 Operations Instructions

Contents Page:Preface and General Safety InformationPart 1: Operating Instructions Class 841-271. Product Description1.1. Proper Use . . . . .

4.4 Changing the NeedleCaution Risk of Injury !Turn off the switch 1 of the sewing machine head.Change the needle only with the sewing machine head tu

4.6 Setting the Buttonhole LengthCaution Risk of Injury !Turn off the switch of the sewing machine head.Change the buttonhole length only with the sew

4.7 Setting the Number of StitchesCaution Risk of Injury !Turn off the main switch!Change the number of stitches only with the machine turned off!–Pul

4.8 Replacing and Setting the KnifeCaution Risk of Injury !Turn off the main switch! The sewing arch must be in the base position otherwise the knifes

ATTENTION !During the use of the setting program do not turn on the handwheel orthe hand crank!–If necessary, lower the sewing arch by pressing the F3

4.9 Replacing and Setting the Knife (Cutting Block)Caution Risk of Injury !Turn off the main switch! The sewing arch must be in the base position othe

ATTENTION !During the use of the setting program do not turn on the handwheel orthe hand crank!–If necessary, lower the sewing arch by pressing the F3

4.11 Needle Thread TensionAt the factory the machine head is set so that buttonholes withflat-form tacking and raised-form buttonhole seams are sewn.P

–Set the tacking tension 6 so that, during the sewing procedure, thegreatest possible quantity of needle thread from the yarn spool isused without the

5. Feeding and Sewing5.1 Reference Position - Starting the Sewing Procedure - Voiding the Feed Procedure5.1.1 Reference PositionFor the operational re

Contents Page:6. Maintenance6.1 Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1.4 Voiding the Feed ProcedureThe feed procedure can be voided for making corrections:–Strike numeric key "3" on the control panel.orif th

2. New feed–Select the symbol at the left with the arrow keys "×" and "Ø".–Strike the enter key.The advancing device swings to the

5.1.6 "No Material under Light Barrier" DisplayThe light barrier 1 checks if material is present. If no material liesunder the light barrier

5.2 Bobbin ChangeThe specified value (number of button holes) is shown with thenumeric key "2".–The symbol at the left appears in the displa

5.4 Re-sewing of ButtonholesIndividual buttonholes of a buttonhole facing can be re-sewn with the"Re-sewing of Buttonholes" function. The re

5.5 Setting of the Clearance of the Buttonholes to the Positioning EdgeThe clearance of the buttonholes to the positioning edge can be setwith the set

6. MaintenanceCaution Risk of Injury !Turn off the main switch.The maintenance of the sewing unit may only be conducted when the machine is turned off

6.2 LubricationCaution Risk of Injury !Oil can cause skin rashes.Avoid longer skin contact.After contact wash yourself thoroughly.ATTENTION !The handl

1. Product Description1.1 Proper UseThe DÜRKOPP ADLER 841-27 is a sewing unit which can properly beused for the sewing of light to medium weight mater

1.2.2 Feed UnitThe feed unit is prepared for connection to an in-house vacuum unit. Avacuum distributor with filter is available as optional equipment

2. Technical DataMachine head: Class 577-1111Needle system: System 265(slight ball point)Needle thickness: [Nm] 70 to 100, Standard 80Yarns: [Nm] synt

3. Switching On/Off3.1 Switching OnFor the operational readiness of the sewing unit the feed rail must berun into the reference position once after sw

4. Operating the Sewing Machine Head4.1 Threading the Needle ThreadCaution Risk of Injury !Turn off the main switch 1 of the sewing machine head !Thre

4.2 Winding the Underthread–Place the yarn spool on the yarn stand. –Thread the underthread as shown in the illustration.–Place the bobbin on winder 1

Threading the bobbin –Insert a full bobbin into the bobbin case top, the bobbin mustthereby turn counterclockwise when the underthread is pulled off.