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Pfaff service manual 481 483, Service manual, 296-12-17 437 Justieranleitung engl

Models: 481 483

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Service manual

296-12-17 437 Justieranleitung engl. 1.97

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Pfaff service manual 481 483, Service manual, 296-12-17 437 Justieranleitung engl

Contents

481 483 Service manual296-12-17 437 Justieranleitung engl Page Contents12-13 PFAFFTools, gauges and other adjustment aids Notes on safetyNotes on the service manual AbbreviationsChecking and adjustment aid Requirement Preliminary adjustment of needle height16,5 mm 4 PFAFFZeroing the feed motion 2.1 Zeroing procedure with the gearbox closedTurn crank 5 screw 6 according to the requirement 2.2 Zeroing procedure with the gearbox open6 PFAFF Adjustment aid 3 Zeroing the needle feed motion Adjustment not applicable to PfaffRequirement PFAFFFeed lifting motion 5 Feed dog height Feed driving motion 7 Timing the needle feed motion Adjustment not applicable to PFAFF 8.1 For PFAFF Centering the needle in the needle hole8.2 For PFAFF Eccentric hook shaft bearing and hook-to-needle clearance Page Vertical position of bobbin case opener Position of bobbin case opener Adjustment aid Timing the bobbin case openerRequirement 18 PFAFFClearance between presser foot and needle plate Shift hinge stud 1 nut 2 to adjust the feed stroke of the needle feed 15 Eliminating feed differences Adjustment not applicable to PFAFFRequirement 20 PFAFFAdjust tension release lever 2 screw 3 according to the requirement Tension release mechanismRequirement 0,5 mmThread check spring and thread regulator Requirement Knee lever resting positionRaise the presser foot by means of the presser bar lifter Turn stop screw 3 nut 4 according to the requirementRequirement Knee lever play1.3 mm between lifting lever 3 and lifting piece 1,3 mmAdjusting the knee lever motion Bobbin winder PFAFF Limiting the stitch lengthRequirement Matching forwards and reverse stitch lengths28 PFAFF Requirement Presser foot pressureTurn screw 1 according to the requirement PFAFFPage Postfach D-67653 Kaiserslautern Königstr D-67655 Kaiserslautern G.M. PFAFF AktiengesellschaftTelefon 0631 Telefax 0631 172 Telex 45753 PFAFF D