Janome 1110DX PRO Service Manual
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Janome 1110DX PRO Service Manual

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SERVICE MANUAL
1110DX PRO

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Summary of Contents for Janome 1110DX PRO

  • Page 1 SERVICE MANUAL 1110DX PRO...

  • Page 2: Table Of Contents

    CONTENTS TO CHANGE THE FACE PLATE UNIT ..............1 TO CHANGE THE TOP COVER UNIT ..............2 TO CHANGE THE BELT COVER UNIT ............... 3 TO CHANGE THE TENSION COVER UNIT ............4 TO CHANGE THE PANEL COVER UNIT ............5 TO CHANGE THE SIDE COVER UNIT ...............

  • Page 3: To Change The Face Plate Unit

    TO CHANGE THE FACE PLATE UNIT To remove: 1. Loosen the setscrew A and remove the face plate unit. To attach: 2. Fit the U-groove in the face plate between the setscrew and set plate, put the rib in the tension cover unit, top cover and rear cover, and tighten the setscrew.

  • Page 4: To Change The Top Cover Unit

    TO CHANGE THE TOP COVER UNIT To remove: 1. Loosen two screws through hole of tension thread guide plate as illustration A, and remove the top cover. To attach: 2. Put the ribs in tension cover unit, and tighten the setscrew. Top cover unit Tension thread guide plate Tension cover unit...

  • Page 5: To Change The Belt Cover Unit

    TO CHANGE THE BELT COVER UNIT To remove: 1. Open the looper cover unit. 2. Loosen setscrew A and remove the setscrew B. 3. Remove the belt cover unit. To attach: 4. Put the ribs in panel cover unit and tension cover unit, and tighten setscrew A and B. Tension cover unit Setscrew A Belt cover unit...

  • Page 6: To Change The Tension Cover Unit

    TO CHANGE THE TENSION COVER UNIT To remove: 1. Remove face plate unit and belt cover unit. 2. Remove setscrew A and B, and remove tension cover unit. To attach: 3. Put ribs in panel cover unit, and tighten the setscrew A and B. 4.

  • Page 7: To Change The Panel Cover Unit

    TO CHANGE THE PANEL COVER UNIT To remove: 1. Remove face plate unit, belt cover unit and tension cover unit. 2. Move the upper looper to its lowest position by turning the valance wheel in counterclockwise. 3. Remove setscrew A, B, C, D and E, and remove the panel cover unit. To attach: 4.

  • Page 8: To Change The Side Cover Unit

    TO CHANGE THE SIDE COVER UNIT To remove: 1. Loosen setscrew A and remove the side cover unit. To attach: 2. Fit the U-groove in the side cover unit between the setscrew and set plate. 3. Tighten the setscrew A. Side cover unit Set plate Setscrew A...

  • Page 9: To Change The Base Plate

    TO CHANGE THE BASE PLATE To remove: 1. Remove the setscrew A, B, C, D and two hinge screws E, and remove the rubber cushions. 2. Remove the base plate. To attach: 3. Attach the base plate, and tighten the setscrew A, B, C and D. 4.

  • Page 10: To Change The Machine Socket Unit

    TO CHANGE THE MACHINE SOCKET UNIT To remove: 1. Remove the belt cover. 2. Remove the two setscrew A, and pull out the cord connectors. To attach: 3. Inset the cord connectors as shown below. 4. Attach the machine socket unit, and tighten the two screws. 5.

  • Page 11: To Adjust The Needle Bar Height

    TO ADJUST THE NEEDLE BAR HEIGHT Correct Setting: The distance between the tip of needle on the right and the surface of needle plate should be 11.2 to 11.6 mm when the needle bar is at the highest position. To adjust: 1.

  • Page 12: To Adjust The Presser Bar Height

    TO ADJUST THE PRESSER BAR HEIGHT Correct Setting: The distance between the surface of needle plate and bottom of presser foot should be 4.7 to 5.3 mm (47/254 to 53/254”) when the presser bar lifter is raised. To adjust: 1. Remove the face plate unit. 2.

  • Page 13: To Adjust The Feed Dog Height

    TO ADJUST THE FEED DOG HEIGHT Correct Setting: When the presser foot is lowered and the feed dogs are at their highest position, the distance between the surface of needle plate and bottom of presser foot should be 0.75 to 0.95 mm. To adjust: 1.

  • Page 14: Timing Of Needle And Feed Dog

    TIMING OF NEEDLE AND FEED DOG Correct Setting: When the tip of right needle is at 2 mm above the needle plate in its downward motion, and lowered presser foot, the top of the feed dog tenth should be level to the top surface of needle plate at their rearmost position. To adjust: 1.

  • Page 15: To Adjust The Tension Of Sub Thread Tension Dial

    TO ADJUST THE TENSION OF SUB THREAD TENSION DIAL After the correct thread tension for 4 thread overlook standard sewing, slide the slider from “STD.” position to “R. H.” position without turning the thread tension dials. (Make sure the thread guide is set at “3/4” position.) Also adjust the sub thread tension dial as follows.

  • Page 16: To Adjust The Needle And The Upper Knife Timing

    TO ADJUST THE NEEDLE AND THE UPPER KNIFE TIMING Correct Setting: The upper knife timing is the same as that of the needle bar. In fact, when the needle bar is at its highest position the upper knife should be also at its highest position. To adjust: 1.

  • Page 17: To Adjust The Stitch Length

    TO ADJUST THE STITCH LENGTH Correct Setting: The actual stitch length should be 2.8~3.0 mm when the stitch dial is set at “3”. To adjust: 1. Set the stitch length dial at “3” and the differential feed dial at “1.0”. 2.

  • Page 18: To Adjust The Clearance Between Needle And Lower Looper / Needle Guards

    TO ADJUST THE CLEARANCE BETWEEN NEEDLE AND LOWER LOOPER / NEEDLE GUARDS Correct Setting: When using A #11 needle, when the tip of the lower looper comes from the left just behind the needle on the left or right, the clearance between both needles and the lower looper should be 0 to 0.05 mm, for A #14 needle, the clearance should be 0 to 0.05 mm when the needles are pushed slightly by the front needle guard.
  • Page 19 Needle clamp Needle bar lower bushing Rear needle guard Lower looper No clearance Needle bar Needle gauge (787-G02) Needle Lower looper Front needle guard Front needle guard Hexagon bolt B Setscrew A Lower looper driving arm Setscrews F Needle #11 Rear needle guard 0 to 0.05 mm Lower looper...

  • Page 20: To Adjust The Clearance Between Needles And Fixed Needle Guard

    TO ADJUST THE CLEARANCE BETWEEN NEEDLES AND FIXED NEEDLE GUARD Correct Setting: The clearance between needle and the fixed needle guard should be 0.1 to 0.4 mm. To adjust: 1. Remove the foot and the needle plate and lower the needle to its lowest position. 2.

  • Page 21: To Adjust The Position Of Chaining Finger

    TO ADJUST THE POSITION OF CHAINING FINGER Correct Setting: When set the needle plate setting knob to guide line S, chaining finger should be touch to side of needle plate and tip of chaining finger should be same level to tip of needle on needle plate. To adjust: 1.

  • Page 22: To Adjust The Needle And The Lower Looper Timing

    TO ADJUST THE NEEDLE AND THE LOWER LOOPER TIMING Correct Setting: When the needle comes up 2.8 to 3.2 mm (7/64 to 1/8”) from its lowest position, the tip of the lower looper comes just left of the needle on the right. To adjust: 1.

  • Page 23: To Adjust The Position Of Upper Looper

    TO ADJUST THE POSITION OF UPPER LOOPER Correct Setting: When the upper looper is at the leftmost position, the distance between the center of needle on the right and the center of looper eye should be 4.8 to 5.2 mm. To adjust: 1.

  • Page 24: To Adjust The Upper & Lower Loopers Timing

    TO ADJUST THE UPPER & LOWER LOOPERS TIMING Correct Setting: When lower looper moves to the fight, the lower looper meets the upper looper within 1 mm from the left of lower looper eye at a right angle as shown in Fig.1. To adjust: 1.

  • Page 25: To Adjust The Clearance Between Loopers

    TO ADJUST THE CLEARANCE BETWEEN LOOPERS Correct Setting: When the loopers meet as shown in Fig.2, the clearance should be 0 to 0.2 mm as shown in Fig.1. To adjust: 1. Remove the spreader setscrew and the spreader base. 2. Turn the balance wheel toward you with your hand to bring the loopers as shown in Fig.2. 3.

  • Page 26: To Adjust The Clearance Between Needle And Upper Looper

    TO ADJUST THE CLEARANCE BETWEEN NEEDLE AND UPPER LOOPER Correct Setting: When the upper meets with needle. Clearance should be: - 0.1 to 0.15 mm at the needle on the left. - 0.2 to 0.05 mm at the needle on the right. To adjust: 1.

  • Page 27: To Adjust The Position Of Knives

    TO ADJUST THE POSITION OF KNIVES Correct Setting: The tip of the lower knife should be leveled with the surface of needle plate. When the upper knife is at the lowest position, the front lower corner of upper knife should be 0.8 to 1.5 mm below the edge of lower knife. To adjust: 1.

  • Page 28: To Adjust The Position Of Thread Guide (3)

    TO ADJUST THE POSITION OF THREAD GUIDE (3) Thread Guide (3) Loose the setscrew A, and adjust the thread guide (3) so that the hole of thread guide is in line with the groove of lower looper as shown in Fig.1. Thread Guide Loosen the setscrew B and set the bottom side of external on the upper looper thread guide (Fig.2) and the bottom side of external of the upper looper titubation arm C.

  • Page 29: To Adjust The Thread Tension Dial

    TO ADJUST THE THREAD TENSION DIAL Correct Setting: When each dial is set at “3” and No. 50 polyester filament thread is used, the thread tension should be as follows; Needle (Left) : 25 ~ 35 g Needle (Right) : 15 ~ 25 g Upper looper : 10 ~ 20 g Lower looper...

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