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Pfaff 5483 Adjustment Manual

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5483
ADJUSTMENT MANUAL
This Adjustment Manual is valid for machines
from the following serial numbers onwards:
# 2 492 189
296-12-18 994/002
Justieranleitung engl. 07 .11

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  • Page 1 5483 ADJUSTMENT MANUAL This Adjustment Manual is valid for machines from the following serial numbers onwards: # 2 492 189 296-12-18 994/002 Justieranleitung engl. 07 .11...
  • Page 2 The reprinting, copying or translation of PFAFF Service Manuals, whether in whole or in part, is only permitted with our previous authorization and with written reference to the source. PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern...

  • Page 3: Table Of Contents

    Index Contents ................Page Adjustment ........................... 5 Tools, gauges and other accessories for adjusting ............... 5 Abbreviations ......................... 5 Explanation of the symbols ....................5 Control and adjustment aids ....................6 Adjusting the basic machine ....................7 .05.01 Position of the needle in the needle hole ................7 .05.02 Preliminary adjustment of the needle height .................
  • Page 4 Index Contents ................Page .05.28 Clearance between presser foot and needle plate .............. 35 .05.29 Presser foot pressure ......................36 .05.30 Knee lever rest position ....................... 37 .05.31 Knee lever play ........................38 .05.32 Knee lever stop ........................39 Adjusting the thread-trimming device -900/71 ..............40 .06.01 Pre-adjust the thread catcher ....................

  • Page 5: Adjustment

    Adjustment Adjustment Please observe all notes from Chapter 1 Safety of the instruction manual! In particular care must be taken to see that all protective devices are refi tted properly after adjustment, see Chapter 1.06 Danger warnings of the instruc- tion manual! If not otherwise stated, the machine must be disconnected from the electrical power supply.

  • Page 6: Control And Adjustment Aids

    Adjustment Control and adjustment aids By adjusting the holes 1, 3 and 4 with the adjustment pin ( ∅ 5 mm) the required needle bar positions can be set exactly. Fig. 1 - 01 ● Turn the balance wheel until the needle by is approximately in the required postion. ●...

  • Page 7: Adjusting The Basic Machine

    Adjustment Adjusting the basic machine Position of the needle in the needle hole .05.01 Requirement 1. The needle 6 must be centered in the needle hole in a crosswise direction. 2. The distance between needle 6 and the front edge of the needle plate must be ap- prox.

  • Page 8: Preliminary Adjustment Of The Needle Height

    Adjustment Preliminary adjustment of the needle height .05.02 Requirement With the needle bar at TDC (pin in hole 1) the needle point must be positioned 11 mm above the needle plate, or in the case of the H-model 12.5 mm. Fig.

  • Page 9: Zeroing The Bottom Feed (On Machines With Closed Gearcase)

    Adjustment Zeroing the bottom feed .05.03 (on machines with closed gearcase) Requirement With the stitch length set at "0", the feed dog must not move when the balance wheel is turned. ca. 8 mm Fig. 1 - 03 ● Loosen screw 1. ●...

  • Page 10: Zeroing The Bottom Feed (On Machines With Open Gearcase)

    Adjustment Zeroing the bottom feed .05.04 (on machines with open gearcase) Requirement With the stitch length set at "0", the feed dog must not move when the balance wheel is turned. Fig. 1 - 04 ● Loosen screw 1 (see Fig. 1 - 03). ●...

  • Page 11: Feed Driving Motion

    Adjustment Feed driving motion .05.05 Requirement With the stitch length set at its maximum and the needle bar positioned 0.8 mm before TDC (pin in hole 4), the feed dog must not move when the reverse feed switch is operated. Fig.

  • Page 12: Feed Lifting Motion

    Adjustment Feed lifting motion .05.06 Requirement When the needle bar is at TDC, or or 0.8 mm before TDC for H-model machines and ma- chines with -911/.. (pin in hole 1 or 4), the slot of eccentric 2 must be pointing vertically Fig.

  • Page 13: Feed Lifting Height

    Adjustment Feed lifting height .05.07 Requirement With the stitch length set at its maximum and the needle bar positioned at TDC, or at 0.8 mm before TDC for model H machines and machines with -911/... (pin in hole 1 or 4), the feed dog must be centered in its slots and its entire length must be in contact with the adjustment gauge.

  • Page 14: Limiting The Stitch Length

    Adjustment Limiting the stitch length .05.08 Requirement 1. When the reverse feed switch is fully pressed, the stitch length must be 1.5 mm. 2. When the maximum stitch length is set, the feed dog must not come into contact with the needle plate cutout. Fig.

  • Page 15: Looper Avoiding Motion

    Adjustment Looper avoiding motion .05.09 Requirement With the needle bar at TDC, or at 0.8 mm before TDC for H-model machines and machi- nes with -911/.. (pin in hole 1 or 4), the slot in eccentric 2 must be positioned exactly un- der the center of the shaft.

  • Page 16: Looper Motion

    Adjustment Looper motion .05.10 Requirement When the needle bar reaches its bottom dead center (BDC), the looper must be at its right point of reversal. Fig. 1 - 10 Checking the exact right point of reversal: ● Turn the balance wheel until the point of the looper advancing from the right is at the right-hand side of the needle.

  • Page 17: Looper Height And Looper Angle

    Adjustment Looper height and looper angle .05.11 Requirement When the looper holder 2 is in a vertical position 1. depending on the machine type, there must be a clearance as indicated in the table below between the highest point of the looper back and the needle plate rest, and 2.
  • Page 18 Adjustment Fig. 1 - 11 ● Remove needle plate and bottom feed dog. ● Place gauge 1 (Order No. 61-111 642-19) on the needle plate rest. ● Place looper holder 2 in a vertical position. ● Twist eccentric bearing stud 3 (screws 4 and 5) according to requirement 1. ●...

  • Page 19: Looper-To-Needle Clearance In Sewing Direction

    Adjustment Looper-to-needle clearance in sewing direction .05.12 Requirement In sewing direction there must be a cleaance of approx. 0.1 mm between looper point and needle. 0,1 mm Fig. 1 - 12 ● Turn the balance wheel until the looper point coming from the right reaches the left side of the needle.

  • Page 20: Looper-To-Needle Clearance Crosswise To Sewing Direction

    Adjustment Looper-to-needle clearance crosswise to sewing direction .05.13 Requirement When the looper 1 is at its right point of reversal, there must be a clearance between the looper point crosswise to the sewing direction and the needle center of 3.2 mm. 3,2 mm Fig.

  • Page 21: Final Adjustment Of The Needle Height

    Adjustment Final adjustment of the needle height .05.14 Requirement When the point of the looper advancing from the right reaches the left side of the needle, the top edge of the needle eye must be 1.0 - 1.2 mm below the bottom edge of the looper. Fig.

  • Page 22: Height Of Rear Needle Guard

    Adjustment Height of rear needle guard .05.15 Requirement When the needle bar is at bottom dead center (pin in hole 3), the vertical surface of the needle guard 1 must cover about 2/3 of the needle eye. Fig. 1 - 15 ●...

  • Page 23: Clearance Between Rear Needle Guard And Needle

    Adjustment Clearance between rear needle guard and needle .05.16 Requirement When the point of the looper, which is advancing from the right, reaches the right side of the needle, the needle guard 3 must still be in slight contact with the needle. -911/..

  • Page 24: Position Of The Front Needle Guard (Does Not Apply To All Machines)

    Adjustment Position of the front needle guard .05.17 (does not apply to all machines) Requirement When the point of the looper 1, which is advancing from the right, is positioned in the center of the needle, the needle guard clip 4 must 1.

  • Page 25: Guard Of Looper-Avoiding-Motion Eccentric

    Adjustment Guard of looper-avoiding-motion eccentric .05.18 Requirement During motion the eccentric 3 must not touch guard 1. Fig. 1 - 18 ● Adjust guard 1 (screws 2, accessible through adjustment holes) according to the requirement.

  • Page 26: Take- Up Lever

    Adjustment Take- up lever .05.19 Requirement 1. When the needle bar is at BDC (pin in hole 3) there must be a clearance of about 0.3 mm between the take-up lever 2 and the needle bar frame 3. 2. The take-up lever 2 must be able to move freely in the center of the needle head slot, and must not have any contact either at TDC or BDC.

  • Page 27: Basic Setting Of The Needle Thread Regulator And The Thread Guide

    Adjustment Basic setting of the needle thread regulator and the thread guide .05.20 Requirement 1. With the needle bar at BDC (pin in hole 3) the eye of the needle thread regulator 1 and the adjustment hole of the take-up lever 4 must be in line. 2.

  • Page 28: Adjustment Of The Backtacking Mechanism (Only For Machines With -911

    Adjustment Adjustment of the backtacking mechanism .05.21 (only for machines with -911/..) Requirement The face side of the backtacking mechanism 1 must be in line with the bedplate surface of the machine. Fig. 1 - 21 ● Adjust backtacking mechanism 1 (screws 2 and 3) according to the requirement.

  • Page 29: Spreader Drive (Only For Machines With -911

    Adjustment Spreader drive .05.22 (only for machines with -911/..) Requirement With the needle bar at bottom dead center (pin in hole 3) the spreader link 3 must be at its rear point of reversal (see arrow). Fig. 1 - 22 ●...

  • Page 30: Spreader Height (Only For Machines With -911

    Adjustment Spreader height .05.23 (only for machines with -911/..) Requirement When the tip of spreader 1 is above the looper, there must be a clearance of 0.3 mm bet- ween the back of the looper and the underside of the spreader 1. Fig.

  • Page 31: Spreader Motion And Spreader To Needle Clearance (Only For Machines With -911

    Adjustment Spreader motion and spreader to needle clearance .05.24 (only for machines with -911/..) Requirement When the descending needle is on a level with the back of the looper, the right side of the needle must be in line with the edge of the thread catcher cutout, as seen in feed di- rection.

  • Page 32: Functional Sewing Test (Only For Machines With -911

    Adjustment Functional sewing test .05.25 (only for machines with -911/..) Requirement As seen in feed direction, the spreader 1 should reliably pick up the rear part of the need- le thread loop and the looper thread. Fig. 1 - 25 ●...

  • Page 33: Looper Thread Regulator And Looper Thread Take-Up

    Adjustment Looper thread regulator and looper thread take-up .05.26 Requirement 1. The distance between the front edge of looper thread regulator 1 and the rear needle plate edge guide must be 29 mm. 2. The front edges of the thread take-up device 3 and the thread regulator 1 must be about 8 mm apart.

  • Page 34: Looper Thread Puller

    Adjustment Looper thread puller .05.27 Requirement With the needle bar in top dead center (pin in hole 1) both eyes of looper thread puller 1 must be at the front edge of the thread take-up device 4. Fig. 1 - 27 ●...

  • Page 35: Clearance Between Presser Foot And Needle Plate

    Adjustment Clearance between presser foot and needle plate .05.28 Requirement With the presser bar lifter 1 raised, there must be a clearance of 7 mm between the pres- ser foot and the needle plate. Fig. 1 - 28 ● Raise the presser bar lifter 1. ●...

  • Page 36: Presser Foot Pressure

    Adjustment Presser foot pressure .05.29 Requirement The material feed should function perfectly at all times without any pressure marks occur- ring on the fabric. Fig. 1 - 29 ● Turn screw 1 according to the requirement.

  • Page 37: Knee Lever Rest Position

    Adjustment Knee lever rest position .05.30 Requirement When in its rest position, the knee lever connecting rod must be at right angles to the bedplate. Fig. 1 - 30 ● Raise the presser bar lifter. ● Turn screw 1 (nut 2) according to the requirement.

  • Page 38: Knee Lever Play

    Adjustment Knee lever play .05.31 Requirement When the presser foot is resting on the needle plate (feed dog beneath the needle plate), there must be a clearance of about 1.3 mm between the lifting lever 3 and lifting piece 4. Fig.

  • Page 39: Knee Lever Stop

    Adjustment Knee lever stop .05.32 Requirement When the knee lever is fully operated 1. the presser foot must be lifted approx. 7 mm, or on H-model machines approx. 9 mm, from the needle plate and 2. the presser bar lifter should drop by its own weight. Fig.

  • Page 40: Adjusting The Thread-Trimming Device -900/71

    Adjustment Adjusting the thread-trimming device -900/71 Pre-adjust the thread catcher .06.01 Requirement 1. Between the point of the thread catcher 4 and the front edge of the mounting plate 1 there must be a clearance of 32.5 - 33 mm. 2.

  • Page 41: Positioning The Ball Stud

    Adjustment Positioning the ball stud .06.02 Requirement In a vertical position the ball stud 1 must 1. be located in the middle of actuator 5 and 2. have a clearance of 0.5 mm to the bottom of actuator 5. Fig. 1 - 34 ●...

  • Page 42: Position Of Thread Catcher To Needle

    Adjustment Position of thread catcher to needle .06.03 Requirement When the thread-trimming device is in a neutral position, there must be a clearance of 7 mm between the point of the thread catcher 4 and the needle center. 7 mm Fig.

  • Page 43: Thread Catcher Interlock

    Adjustment Thread catcher interlock .06.04 Requirement 1. When the needle bar is at TDC, the roller 3 must be located in the center of the cutout of the interlocking cam 2. 2. When the thread-trimming device is in a neutral position and the needle bar is at BDC, there must be a clearance of 0.5 - 1 mm between the interlocking cam 2 and the roller 3.

  • Page 44: Tension Release

    Adjustment Tension release .06.05 Requirement When the cylinder is fully actuated, there must be a clearance of about 0.5 mm between the top end of the elongated hole in plate 1 and the guide pin 3. 0,5 mm Fig. 1 - 37 ●...

  • Page 45: Cutting Test

    Adjustment Cutting test .06.06 Requirement 1. The point of the thread catcher 2 must pick up the looper thread and the rear part of the needle thread loop reliably. 2. When the cover plate 1 is removed, the threads must remain undamaged. 3.

  • Page 46: Circuit Diagrams

    Circuit diagram Stromlaufpläne Circuit diagrams Reference list for the Circuit diagrams 91-191 501-95 Control unit Quick P40 ED Control panel BDF S3 Sewing head recognition system (OTE) Sewing lamp (optional) LED stitch counter Sewing motor Main switch Manual backtacking key S1.1 Pedal speed control unit Start inhibitor (E6 stop)

  • Page 47: Circuit Diagram

    91-191 501-95 Circuit diagram Part 1 Version 07 .07 .06 Circuit diagrams 91-191 501-95...
  • Page 48 Circuit diagram 91-191 501-95 Version 07 .07 .06 Part 2...
  • Page 49 91-191 501-95 Circuit diagram Part 3 Version 07 .07 .06...
  • Page 50 PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Telefon: +49 - 6301 3205 - 0 Telefax: +49 - 6301 3205 - 1386 E-mail: info@pfaff-industrial.com Gedruckt in der BRD / Printed in Germany / Imprimé en la R.F.A. / Impreso en la R.F.A...

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