Pfaff hobby GrandQuilter 1200 Manual
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Pfaff hobby GrandQuilter 1200 Manual

Pfaff hobby GrandQuilter 1200 Manual

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hobby GrandQuilter
1200
104 22 54-96
Ver: 27 Aug 2009

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Summary of Contents for Pfaff hobby GrandQuilter 1200

  • Page 1 hobby GrandQuilter 1200 104 22 54-96 Ver: 27 Aug 2009...

  • Page 2: Table Of Contents

    Contents Foreword ............................3 Replacing the External Parts ......................4 Face Plate .............................4 Top Cover ............................4 Belt Cover ............................5 Motor Cover ...........................5 Base ..............................5 Adjustment of the needle bar height ....................6 Adjustment of the timing of the hook in relation to the needle ............8 Adjustment of the clearance between needle and point of hook.

  • Page 3: Foreword

    Foreword The purpose of this service manual is to assist you in quick and correct repairing of the machines. Adjustments should only be made if the settings deviate from the requirements described herein. When checking or adjusting a machine, always proceed in the order of the work steps prescribed. For easier reference every work step is marked with a dot.

  • Page 4: Replacing The External Parts

    Replacing the External Parts Face Plate Remove the setscrew (4 x 10) (A) and washer (B). Remove the face plate (G). Top Cover Remove the caps (C) and setscrews (4 x 25) (D). Lift the top cover (E) and pull out the motor connector (H). 104 72 63-26...

  • Page 5: Belt Cover

    Belt Cover • Remove the 3 setscrews (4 x 12) (C) and remove the belt cover (D). Pull out the socket connector from the printed circuit board UD connector . NOTE: When attaching the belt cover, engage the hooks with the motor cover. Motor Cover •...

  • Page 6: Adjustment Of The Needle Bar Height

    Adjustment of the needle bar height Requirement When the needle bar (D) is in its lowest position the upper hairline (A) of the needle bar should match up with the bottom edge of the needle bar bushing (B). Check • Turn the hand wheel toward you the needle bar is in its lowest position •...
  • Page 7 Replacing and Adjusting Needle threader Requirement When the needle threader is at its threading position, the treader hook must pass through a size 70 needle eye without hitting on top or bottom of the needle eye and have the same distance either to the left or to the right side of the needle eye.

  • Page 8: Adjustment Of The Timing Of The Hook In Relation To The Needle

    Adjustment of the timing of the hook in relation to the needle Requirement: The needle should travel 2 mm from its lowest position (D) before the lower hairline (A) on the needle bar exactly meets the edge of the needle bar bushing (B) then must the hook point (C) line up to the right side of the needle.

  • Page 9: Adjustment Of The Clearance Between Needle And Point Of Hook

    Adjustment of the clearance between needle and point of hook. Requirement: The clearance between the needle and hook point should be 0–0.1 mm. Check • Turn the hand wheel to bring the hook point (A) behind the needle (B) • Use a screw driver and push lightly on the needle to check that the clearance between hook point (A) and the needle (B) is 0–0.1 mm.

  • Page 10: Adjustment Of Bobbin Case Position Fi Nger

    Adjustment of bobbin case position fi nger Requirement: The position fi nger (A) should be located so that the center of the needle (B) is located between the center of the hook stopper (C) and outer side of the hook stopper spring (E) Adjustment •...

  • Page 11: Adjustment Of The Presser Bar Height And Alignment

    Adjustment of the presser bar height and alignment Requirement When the presser foot (A) is raised, the distance between the presser foot (A) and needle plate (B) should be 5.7–6.3 mm. Check • Raise the presser foot. • Place a block 6 mm thick under the presser foot and lower the presser foot lifter. •...

  • Page 12: Adjustment Of The Knee Lifter Lever

    Adjustment of the knee lifter lever Requirement When the presser foot is fully raised with the knee lifter, the clearance between the needle plate and presser foot must be 7.5 mm Adjustment • Lay the machine on its back. • Remove the base •...

  • Page 13: Adjustment Of The Feed Cam Timing

    Adjustment of the Feed Cam Timing Requirement When the point of the needle is 17.5 mm above the needle plate (A), coming from its upper turning point The feed dog should not move when moving the reverse stitch lever (B) up and down. Check: •...

  • Page 14: Adjustment Of The Feed Lifting Cam Timing

    Adjustment of the Feed Lifting Cam Timing Requirement When the point of the needle is 0.4 mm below the needle plate (A) the top of the feed dog teeth (B) should be 0-0.01 mm above the needle plate. Check • Remove the Feed dog. •...
  • Page 15 Adjustment of the feed dog height Requirement When the feed dog is in it’s highest position. The Feed dog teeth top (E) should be 0.8 to 1.0 mm from the surface of the needle plate (D). Check • Select the machines longest stitch lengths setting. •...

  • Page 16: Adjustment Of The Parallelism And Lengthwise Movement Of The Feed Dog

    Adjustment of the parallelism and lengthwise movement of the Feed Dog Requirement The parallelism between both sides of feed dog and needle plate (A) should be even. The clearance between the front end of the center feed dog and center slot (B) should be 4.5 +- 0.3 mm when the stitch length dial is set at 0.

  • Page 17: Adjustment Of Synchronizer

    Adjustment of synchronizer Requirement When the needle stop is set on UP the needle should stop on its upper position. When the needle stop is set on DOWN the needle should stop in its down position. Check • Press both the Up/Down needle position button (B) and bobbin winding button (C) at the same time while turning the power switch (A) on.

  • Page 18: Adjustment Of Bobbin Thread Tension

    Adjustment of bobbin thread tension Requirement The force required for pulling cotton thread 50/2 or synthetic fi ber thread 100/3 off the bobbin must be approximately 20 - 30 g. Check • There must not be any thread waste under the tension spring. •...

  • Page 19: Adjustment Of Thread Check Spring Stroke

    Adjustment of thread check spring stroke Requirement The amount of the needle thread supplied by the check spring should be 11–15 mm. Check • Thread the machine up to the thread guide (A) and lower the presser foot. • Lower the needle bar to the lowest position. •...

  • Page 20: Replace And Adjust The Thread Guide Plate

    Replace and Adjust the Thread Guide Plate Requirement The left inner edge (C) of the thread guide plate should be approximately 1.4 mm from the center of the needle drop position (D) and the back inner edge (E) of the thread guide plate should be approximately 2.7 mm from the center of the needle drop position (D).

  • Page 21: Adjustment Of The Fixed Cutter Knife

    Adjustment of the Fixed Cutter Knife Requirement When the needle bar is in it’s lowest position the distance between the center of the needle (A) and the fi xed cutter knife (B) should be 4 mm. The thread cutter knife tip (E) should be aligned , when it swings out to its cutting position, with the left side of the edge (H) of the fi...
  • Page 22 Replace and Adjust Thread Cutter Knife Requirement When thread cutter knife is at its end turning position, it should be 2–2.5 mm from the point (G) of the thread cutter knife to the center of the needle drop position (H). Removal and fi...
  • Page 23 Adjustment • Remove the needle plate and base • Lower the needle bar to the lowest position. • Turn the hand wheel toward you while pushing up the link body (C) to engage the thread cutter knife (B) and bring it to the end of the stroke. •...

  • Page 24: Adjustment Of The Needle To Cutter Cam Timing

    Adjustment of the needle to cutter cam timing Requirement When Link body is engaged and the tip of the needle is 10.9 mm over the stitch plate. The thread drawing arm should start to move. Check • Remove the base. •...

  • Page 25: Adjustment Of The Thread Drawing Lever

    Adjustment of the thread drawing lever Requirement When the needle point is 10.5 mm above the needle plate, com- ing from its lowest turning position, and the solenoid disk (C) fully closed, then should the tip of the thread drawing lever (G) lightly makes contact with the bobbin.

  • Page 26: Adjustment Of The Auto Tension Release

    Adjustment of the auto tension release Requirement When the Tension Dial is set on 4 and the needle point is just above the needle plate. Then when closing the solenoid (A) fully by hand, the tension disk should open up 1 mm. Check •...

  • Page 27: Thread Cutter Troubleshooting

    Thread Cutter Troubleshooting The needle thread is not cut. The fi xed cutter is dull. Replace or grind the fi xed cutter knife. The fi xed cutter knife is out Adjust the position of the fi xed cutter knife . of position.

  • Page 28: Adjustment Of Bobbin Winder Stopper

    Adjustment of bobbin winder stopper Requirement: The amount of thread wound on the bobbin should be 16.5–19.5 mm in diameter. Check • Wind a bobbin • When its fi nished the amount of thread wound on the bobbin should be 16.5–19.5 mm in diameter. Adjustment •...

  • Page 29: Replacing The Electronic Components

    Replacing the Electronic Components Location of the Electronic Components Bobbin winder motor Slide volume Bobbin winder switch Circuit board A Circuit board F Upper shaft sensor Driving motor Lamp Machine socket Thread cutter switch Capacitor Push - pull solenoid Power transfomer Circuit board MS Location of the Connectors Thread cutter switch...

  • Page 30: Internal Wiring

    Internal Wiring To prevent the internal wirings from contacting the moving parts or being caught in the joint of the external parts, the internal wirings should properly be routed and secured as illustrated. Motor cord Motor sensor cord Machine socket cord (primary) Machine socket cord (secondary) Cord binder Push-pull solenoid cord...

  • Page 31: Replace The Circuit Board-A

    Replace the Circuit Board-A To remove: • Remove the top cover. • Pull out connectors from the circuit board-A. • Remove the cords from the cord clips (A). • Remove the setscrews (B) and the board-A case lid (C) • Pull out the connectors under the case lid. •...

  • Page 32: Replace The Circuit Board-F And Slide Volume

    Replace the Circuit Board-F and Slide Volume 1. Removed the top cover and the belt cover. 2. Pull out the circuit board-F connector (B) , slide volume connector (C) and the thread cuttet switch connector (D) from the circuit board-A . 3.
  • Page 33 Replace the Printed Circuit Board - UD To remove: 1 Remove the top cover, belt cover and base. 2 Remove the cord binder below the handwheel. 3 Disconnect the 3 connectors from the printed circuit board A. 4. Remove the set screws A (2 pieces) and remove the ornamental plate unit. Cord binder Printed circuit board A Connector...

  • Page 34: Replace The Motor And Adjust The Motor Belt Tension

    Replace the motor and Adjust the motor belt tension To remove: • Remove the belt cover and motor cover. • Pull out the motor sensor connector (A) • Pull out the motor connector (B), while pushing the connector lock (C) •...

  • Page 35: Replace The Transformer

    Replace the transformer • Remove the top cover and motor cover. • Remove the board-A case lid and pull out the transformer connectors (primary and secondary) from the circuit board-A. Removing instructions see ”Replace the Circuit Board-A” • Remove the driving motor. Removing instructions see ”Replace the motor and Adjust the motor belt tension”...
  • Page 36 Technische Änderungen vorbehalten Subject to alterations in design Sous toute réserve de modifi cations techniques Salvo modifi caciones técniche Con riserva di modifi che tecniche Nr. 104 72 63-26 - englisch © 2009 - Copyright VSM Group AB All rights reserved.

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