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Industrial Sewing Machine Repairs
MADE EASY
With QWIK-Fix Teach Yourself Guides and Manuals
BASIC REPAIRS &
ADJUSTMENTS
Brother TZ1 B651
QFBBR TZ1B651
Artizan 196 High Road Wood Green London ENGLAND N22 8HH
www.seweazi.com

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Summary of Contents for Brother TZ1 B651

  • Page 1 Industrial Sewing Machine Repairs MADE EASY With QWIK-Fix Teach Yourself Guides and Manuals BASIC REPAIRS & ADJUSTMENTS Brother TZ1 B651 QFBBR TZ1B651 Artizan 196 High Road Wood Green London ENGLAND N22 8HH www.seweazi.com...
  • Page 2 COPY RIGHTS ©2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ READ FIRST IMPORTANT NOTICE: PLEASE NOTE: If it is felt that carrying out any of the instructions listed in this manual or CD are not within the capabilities of the person about to attempt the adjustments you must seek the assistance of a qualified engineer.
  • Page 3: Table Of Contents

    Qwik-Fix-Publications™ Brother TZ1 B651 BASIC REPAIRS & ADJUSTMENTS CONTENTS SECTION Repairs and Adjustments Bobbin Base Replacement Bobbin Base Retainer Check Spring Adjustment Check Spring Replacement Feed Setting Hook Timing Hook lateral adjustment Needle bar Settings Needle Insertion Needle Types/Sizes Needles Using The Correct Type and Size...
  • Page 4 Tension lower 17:9 Tension upper 17:9 Thread slips out of tension unit 17:9 Tension release doesn’t operate 17:9 Thread catches under materials 17:9 Thread loops under materials 17:9 THREAD PROBLEMS Thread breaks 17:9 Thread frays or shreds 17:9 QFBBR TZ1 B651...
  • Page 5: Qwik-Fix-Publications

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : Bobbin Base Replacement 1.
  • Page 6: Bobbin Base Retainer

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : Bobbin Base Retainer 1.
  • Page 7: Check Spring Adjustment

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS...
  • Page 8 At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Check Spring Replacement 1.
  • Page 9 At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH ANY ADJUSTMENTS :...
  • Page 10: Hook Timing

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Hook Timing 1.
  • Page 11: Hook Lateral Adjustment 5:2

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Hook lateral Adjustments 12.
  • Page 12: Needle Bar Settings

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH ANY ADJUSTMENTS :...
  • Page 13: Needle Insertion

    At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ Brother TZ1 B651 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS...
  • Page 14: Needle Types/Sizes 6:5

    COPY RIGHTS © 2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Needle Types and Sizes All needles have a LONG groove on one side and a SCARF on the other.
  • Page 15 COPY RIGHTS ©2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Using The Correct Type and Size of Needle NOTE : These are only guides and should not be deemed to be the only or exact options...
  • Page 16: Needle Design

    COPY RIGHTS ©2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS Needle Design ©...
  • Page 17 COPYRIGHTS ©2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ 12:1 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : How A Stitch Is Formed The needle enters the work and continues to its lowest point of travel.
  • Page 18 COPYRIGHTS © 2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ 13:2 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : Lower Tension Fig 3 indicates the correct tension of both the bobbin and needle threads If you have tension as Fig 1 or 2 it could be that the bobbin tension is too tight or loose.Check if the...
  • Page 19 Copyrights © 2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ 13:3 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : ALWAYS CHECK THE THREADING AND THE BOBBIN TENSION FIRST Upper Tension Fig 3 is correctly balanced needle and bobbin thread tensions...
  • Page 20: Thread Types/Sizes

    COPY RIGHTS © 2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications QWIK-Fix-Publications™ 14:1 IMPORTANT !!! SWITCH THE MACHINE OFF BEFORE PROCEEDING WITH THE ADJUSTMENTS : Thread Types and Sizes Threads are as important to the function of your machine as any mechanical adjustment that you may already be aware of .
  • Page 21: Threading

    COPY RIGHTS ©2004 QWIK-Fix-Publications™ At no time does QWIK-Fix-Publications or its licensees permit the copying in any format written or electronic of any of the data provided in any of their publications 14:3 QWIK-Fix-Publications™ THREADING INSTRUCTIONS INSERT NEEDLE WITH Upper threading methods LONG GROOVE FACING YOU 1.Through at least 2 of the...
  • Page 22 TROUBLE SHOOTING FOR 17:6 LOCKSTITCH SEWING MACHINES BOBBIN AND BOBBIN CASE Possible Fault Possible Remedy FAULTS Bobbin case falls out Bobbin case latch spring broken or weak Replace the spring or fit a new bobbin case Bobbin too large Fit correct size bobbin Bobbin case incorrectly fitted to bobbin base Remove case and refit Bobbin case incorrect type...
  • Page 23 TROUBLE SHOOTING FORLOCKSTITCH 17:7 SEWING MACHINES FEED DOG FAULTS Possible Fault Possible Remedy Feed dog touches the needle plate Misaligned feed timing and position Realign and retime feed mechanism Feed alignment incorrect Loose feed dog screws Tighten feed dog screws Loose feed dog link mechanism Tighten feed dog link mechanism Feed dog breaks...
  • Page 24 TROUBLE SHOOTING FOR LOCKSTITCH 17:8 SEWING MACHINES PRESSER FOOT FAULTS Possible Fault Possible Remedy Presser foot jams up Presser bar clamp jamming Remove the bar and rectify the cause of the jamming Presser bar requires oiling Lightly oil presser bar and mechanism Presser foot jams down Presser bar clamp jamming Remove the bar and rectify the cause of the...
  • Page 25 TROUBLE SHOOTING FOR LOCKSTITCH 17:9 SEWING MACHINES THREAD TAKE UP FAULTS Possible Fault Possible Remedy Take up lever loose Internal cam lift screws loose Tighten cam lift screws Take up lever breaks Lever hitting take up lever guard Reset or replace the guard TENSION FAULTS Possible Fault Possible Remedy...
  • Page 26 At no time does QWIK-Fix-Publications Permit the copying in any format written or electronic of any of the data provided in any of their publications Qwik-Fix- Publications™ 20:5 Glossary Of Inner Casting Of Machine Brother TZ1 B651 16 Zig Zag Widtth 17.Zig Zag Locks 1 Thread Take Up Lever...
  • Page 27 At no time does QWIK-Fix-Publications Permit the copying in any format written or electronic of any of the data provided in any of their publications Qwik-Fix- Publications™ 20:6 Brother TZ1 B651 Glossary Of The Underside Of Machine 1 Feed Height Adjuster 11.

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