Pfaff 574 Uživatelský manuál

ADJUSTMENT MANUAL296-12-19 196/002Justieranleitung engl. 07.12571574591This Adjustment Manual is valid for machines from the following serial numbers

Adjustment101.04.04 Needle rise, hook clearance, needle height and needle guard (on the PFAFF 571)RequirementWith the needle bar positioned 2,4 mm af

Adjustment 11 ● Set hook point at needle centre, making sure that the needle is not defl ected by needle guard 6. ● Adjust needle height according t

Adjustment121.04.05 Needle rise, hook clearance, needle height and needle guard (on the PFAFF 574)RequirementWith the needle bar positioned 2,4 mm af

Adjustment 131516 ● Set both hook points at needle centre, making sure that the needles are not defl ected by needle guard 9. ● Adjust needle height

Adjustment141.04.06 Needle rise, hook clearance, needle height and needle guard (on the PFAFF 591)RequirementWith the needle bar positioned 2,4 mm af

Adjustment 151011 ● Set hook point at needle centre, making sure that the needle is not defl ected by needle guard 6. ● Adjust needle height accordi

Adjustment161.04.07 Needle position crosswise to sewing direction (on the PFAFF 571)RequirementWhen the stitch length is set at its maximum, the need

Adjustment 171.04.08 Needle position crosswise to sewing direction (on the PFAFF 574) ● Shift bearing plate 1 (screws 2, on both sides of the post

Adjustment181.04.09 Needle position crosswise to sewing direction (on the PFAFF 591)RequirementAs seen crosswise to the sewing direction, the needle

Adjustment 191.04.10 Height and stroke of the bobbin case openerRequirement1. The top edges of the bobbin case opener 1 and bobbin case base 3 sh

The reprinting, copying or translation of PFAFF Service Manuals, whether in whole or in part, is only permitted with our previous authorization and wi

Adjustment201.04.11 Height of the feed wheel (on the PFAFF 571)Requirement1. When pressure is applied to the feed wheel 4, it should protrude from t

Adjustment 211.04.12 Height of the feed wheel (on the PFAFF 574)Requirement1. When pressure is applied to the feed wheel 4, it should protrude fr

Adjustment221.04.13 Height of the feed wheel (on the PFAFF 591)RequirementThe feed wheel should protrude from the needle plate by tooth height (appro

Adjustment 231.04.14 Stitch length control eccentricRequirementWhen the needle (with maximum stitch length set), coming from TDC, is 3 mm above th

Adjustment241.04.15 Stitch length scale diskRequirementWhen the stitch length control device is engaged and the stitch length is set at “0”, the mark

Adjustment 251.04.16 Shaft crank to feed wheel drive ● Set the maximum stitch length. ● Twist or shift the shaft crank 1 (screw 2) according to th

Adjustment26 ● Set the maximum stitch length. ● Twist clamp crank 1 (screw 2) according to the requirement. 1.04.17 Shaft crank to roller presser dri

Adjustment 27 ● Raise the presser bar lifter. ● Adjust the presser bar 1 (screws 2) according to the requirement. Make sure that the roller presser

Adjustment281.04.19 Roller presser ● Raise the roller presser. ● Always observe requirement 1 for subsequent adjustments. ● Adjust roller presser 1 (

Adjustment 291.04.20 Stitch length on stitch length scale ● Set stitch length "3". ● By turning the balance wheel, let the needle enter

Index Contents ... Page 31 Adjustment ...

Adjustment301.04.21 Synchronization of roller presser and feed wheel ● Set stitch length "3". ● By turning the balance wheel, let the needl

Adjustment 311.04.22 Retainer (only on model 574) ● Adjust retainer 1 (screw 2) according to requirement 3. ● Adjust bracket 3 (screw 4) according

Adjustment321.04.23 Knee leverRequirement1. Before the roller presser rises, the knee lever must still have a slight play.2. When the knee lever is

Adjustment 331.04.24 Needle thread tension releaseRequirement1. When the presser bar lifter is raised, the tension discs 3 should be pressed at l

Adjustment341.04.25 Thread check spring (PFAFF 571 and 591)Requirement1. The movement of thread check spring 7 should be completed when the needle p

Adjustment 351.04.26 Thread check springs (PFAFF 574)Requirement1. The movement of thread check springs 3 and 6 should be completed when the nee

Adjustment361.04.27 Bobbin winder ● Position drive wheel 1 (screws 2) according to requirement 1. ● Position bolt 3 (screw 4) according to requiremen

Adjustment 371.04.28 Pressure of roller presserRequirementThe material must be fed smoothly. No pressure marks should be visible on the material.

Adjustment381.04.29 LubricationRequirementAfter a running time of 10 seconds a fi ne line of oil should form on a strip of paper held next to the hook

Adjustment 391.04.30 Re-engage safety couplingThe coupling 1 is set by the manufacturer. When the thread jams, the coupling 1 disengages in order

Index Contents ...Page41.05.04 Knife stroke (on models 574 and 591) ...

Adjustment401.05 Adjusting the edge trimmer -725/041.05.01 Position of the knife holder (on model 571)RequirementWhen the thread trimmer is engaged

Adjustment 4161-0521.05.02 Position of the knife holder (on models 574 and 591)RequirementWhen the thread trimmer is engaged, the centre of the an

Adjustment421.05.03 Knife stroke (on model 571)RequirementThe knife stroke can be adjusted over a range from 1.0 to 3.5 mm, allowing the best possibl

Adjustment 431.05.04 Knife stroke (on models 574 and 591)RequirementThe knife stroke can be adjusted over a range from 2.0 to 3.5 mm, allowing the

Adjustment441.05.05 Cutting stroke (on model 571)RequirementWhen the edge trimmer is engaged and the needle is in the needle hole, the stroke ofknife

Adjustment 451.05.06 Cutting stroke (on models 574 and 591)RequirementWhen the edge trimmer is engaged and the needle is in the needle hole, the s

Adjustment461.05.07 Knife positionRequirementWhen the edge trimmer is engaged, the knife should rest lightly on the needle plate in-sert, but no whis

Adjustment 471.06 Adjusting the thread trimmer -900/831.06.01 Resting position of the roller lever / radial position of the control camRequiremen

Adjustment481.06.02 Position of the thread catcher holderRequirement1. There should be a minimum amount of play between toothed wheel 3 and toothed

Adjustment 491.06.03 Position of the thread catcherRequirement1. The bottom edge of the thread catcher 1 should be at a distance of 0.1 mm from

Adjustment 51 AdjustmentPlease observe all notes from Chapter 1 Safety of the instruction manual! In particular care must be taken to see that all

Adjustment501.06.04 Knife position and knife pressureRequirementThe knife pressure should be set as low as possible but the cutting operation should

Adjustment 511.06.05 Bobbin thread retaining springRequirementThe tension of the bobbin thread clamp spring should be as low as possible, but it s

Adjustment521.06.06 Manual cutting testRequirement1. When thread catcher 1 is on its forward stroke, it must not carry bobbin thread 3 for-ward too.

Adjustment 531.06.07 Releasing the tensionRequirementWhen the magnet is activated, tension discs 3 must be at least 0.5 mm apart. ● Activate the m

Adjustment541.06.08 Linkage rod (only for the PFAFF 574)RequirementWhen the thread trimmer is in its resting position, the drive levers 1 must be par

Adjustment 551.07 Adjustment of backtacking mechanism -911/..1.07.01 Needle in needle hole (only for PFAFF 571 and 591)RequirementWhen the maximu

Adjustment561.07.02 Coupling for roller presser driveRequirement1. When the roller foot is touching the feed wheel and the magnets are extended, the

Adjustment 571.07.03 Bevel gears for feed wheel driveRequirement1. Bevel gear 3 must fi t well on the left side.2. There must be a distance of 15

Adjustment581.07.04 Bevel gear playRequirement1. When sewing forwards, there must be a slight play between bevel gears 6 and 7.2. When sewing backw

Adjustment 591.07.05 Adjusting the magnetsRequirementWhen switch unit 1 is in its left stop position1. The magnet frame 2 should be positioned at

Adjustment61.02 AbbreviationsTDC = top dead centerBDC = bottom dead center1.03 Explanation of the symbolsIn this adjustment manual, symbols emphasiz

Adjustment601.08 Parameter settings ● Parameter settings are described in the separate operations manual for the drive, and may only be changed by qua

61 Version 04.02.08 Block diagramPCBDF - PICO TOP2 Block diagram2.01 PFAFF 570 / 590 with control unit P44 PD-Lpower switchControl unit P44 PD-L

62VR1FSLVR3PFAVR2-900STOP570 / 590power switchMains plugControl panelC-200-1.0SpeedcontrolunitVR1 = Roller presser releaseVR2 = Feed switch-overVR3

63 Block diagram570 / 5902.03 PFAFF 570 / 590 with MJ-0-00-215-CE Control uni MJ-0-00-215-CESynchronizerpower switchMains plug

PFAFF Industriesysteme und Maschinen AGHans-Geiger-Str. 12 - IG NordD-67661 KaiserslauternPhone: +49 - 6301 3205 - 0Fax: +49 - 6301 3205 1386E-m

Adjustment 7-021Fig. 1 - 011.04 Adjusting the basic machine1.04.01 Needle position in sewing direction (on the PFAFF 571 and 591) ● Set the minim

Adjustment81.04.02 Needle position in sewing direction (on the PFAFF 574)RequirementThe needle should be positioned in the centre of the needle hole

Adjustment 91.04.03 Preliminary adjustment of the needle heightRequirementWhen the needle bar is at TDC, there must be a clearance of approx. 21 m