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Janome HF2022 Service Manual

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SERVICE MANUAL
Model HF2022

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Summary of Contents for Janome HF2022

  • Page 1 SERVICE MANUAL Model HF2022...

  • Page 2: Table Of Contents

    CONTENTS WHAT TO DO WHEN ..........................1 - 3 SERVICE ACCESS FACE PLATE ............................4 BELT COVER ............................4 BED BASE PLATE ..........................4 FRONT COVER ........................... 5 REAR COVER ............................6 MECHANICAL ADJUSTMENT UPPER THREAD TENSION DIAL ......................7 BOBBIN THREAD TENSION .......................

  • Page 3: What To Do When

    WHAT TO DO WHEN CONDITION CAUSE HOW TO FIX REFERENCE 1. SKIPPING 1. NEEDLE IS NOT INSERT THE NEEDLE STITCHES INSERTED PROPERLY. PROPERLY. 2. NEEDLE IS BENT OR CHANGE THE NEEDLE. WORN. 3. INCORRECTLY RETHREAD. THREADED. 4. NEEDLE OR THREAD IS USE THE RECOMMENDED INAPPROPRIATE FOR SEWING NEEDLE AND THREAD.
  • Page 4 WHAT TO DO WHEN CONDITION CAUSE HOW TO FIX REFERENCE 3. BREAKING 1. INITIAL SEWING SPEED IS START WITH MEDIUM SPEED. UPPER TOO FAST. THREAD 2. THREAD PATH IS USE THE PROPER THREAD INCORRECT. PATH. 3. NEEDLE IS BENT OR REPLACE WITH A NEW NEEDLE.
  • Page 5 WHAT TO DO WHEN CONDITION CAUSE HOW TO FIX REFERENCE 5. NEEDLE 4. THE FABRIC MOVES SEE MECHANICAL P.10 BREAKS WHILE THE NEEDLE IS ADJUSTMENT “NEEDLE SWING”. PIERCING IT, OR THE NEEDLE ZIGZAGS WHILE IN FABRIC. 5. FABRIC IN BEING PULLED GUIDE THE FABRIC GENTLY TOO STRONGLY WHILE WHILE SEWING.

  • Page 6: Service Access

    SERVICE ACCESS FACE PLATE TO REMOVE REMOVE THE FACE PLATE BY REMOVING THE CAP AND SET SCREW. TO ATTACH MOUNT THE FACE PLATE BY THE SET SCREW, AND THEN, MOUNT THE CAP. BELT COVER TO REMOVE LOOSEN THE SET SCREW, AND REMOVE THE BELT COVER BY REMOVING THE BELT COVER RIB FROM THE FRONT COVER.

  • Page 7: Front Cover

    SERVICE ACCESS FRONT COVER TO REMOVE REMOVE THE FACE PLATE AND BELT COVER. (SEE PAGE 4.) REMOVE SELECTOR DIALS (A) AND (B). NOTE: NUMBER OF SELECTOR DIALS IS AS FOLLOWS: MODEL 2022 ..3 DIALS LOOSEN SET SCREWS (C), (D), (E), (F), (G) AND THEN, REMOVE THE FRONT COVER BY REMOVING SET SCREW (H), (I) AND (J).

  • Page 8: Rear Cover

    SERVICE ACCESS REAR COVER NOTE: REAR COVER COULD BE REMOVED WITHOUT REMOVING FIRST FRONT COVER. TO REMOVE REMOVE THE BELT COVER (SEE PAGE 4). LOOSEN THE SET SCREWS A AND B AND REMOVE THE CAP H. REMOVE THE SET SCREW C, D, E, F AND G. PULL UP THE 2 SPOOL PINS I AND J AND LOWER THE PRESSER FOOT LIFTER K.

  • Page 9: Mechanical Adjustment

    MECHANICAL ADJUSTMENT UPPER THREAD TENSION DIAL CORRECT SETTING THE STANDARD UPPER THREAD TENSION SHOULD BE 65G - 95G WHEN THE THREAD (COTTON THREAD #50) IN THE DIRECTION OF B WITH SETTING THE TENSION DIAL AT “3”. (MAKE SURE THE FOOT SHOULD BE LOWERED). IF THE TENSION IS OUT OF THE STANARD RANGE, ADJUST IT AS FOLLOWS: TO ADJUST REMOVE THE FRONT COVER UNIT.

  • Page 10: Bobbin Thread Tension

    MECHANICAL ADJUSTMENT BOBBIN THREAD TENSION CORRECT SETTING SET THE BOBBIN IN THE BOBBIN CASE AND PASS THE THREAD (COTTON #50) THROUGH THE TENSION SPRING. THE BOBBIN THREAD TENSION SHOULD BE 45G - 55G WHEN PULLING THE THREAD IN THE DIRECTON OF B. IF THE TENSION IS OUT THE RANGE, ADJUST IT AS FOLLOWS: TO ADJUST TURN THE ADJUSTING SCREW C IN THE DIRECTION OF D WHEN THE BOBBIN THREAD...

  • Page 11: Presser Bar Height And Alignment

    MECHANICAL ADJUSTMENT PRESSER BAR HEIGHT AND ALIGNMENT CORRECT SETTING THE STANDARD PRESSER BAR HEIGHT IS 6.0 MM BETWEEN THE BOTTOM SURFACE OF THE FOOT AND NEEDLE PLATE WHEN PRESSER FOOT LIFTER IS UP POSITION. TO ADJUST REMOVE THE FACE PLATE. (SEE PAGE 4.) REMOVE SET SCREW A AND REMOVE LAMP HOLDER SET PLATE.

  • Page 12: Needle Swing

    MECHANICAL ADJUSTMENT NEEDLE SWING CORRECT SETTING IF THE TIMING OF NEEDLE SWING IS NOT CORRECTLY ADJUSTED, THE NEEDLE WILL MOVE SIDEWISE WHILE IT IS IN THE FABRIC. IDEALLY THE NEEDLE SHOULD START SWING FROM A POSITION 2 MM - 3 MM ABOVE THE NEEDLE PLATE IN ITS RIGHT OUTFLOW.

  • Page 13: Needle Drop

    MECHANICAL ADJUSTMENT NEEDLE DROP CORRECT SETTING WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH, THE DISTANCE BETWEEN THE BOTH ENDS OF NEEDLE HOLE ON THE NEEDLE PLATE AND NEEDLE DROP POSITIONS SHOULD BE EQUAL. IF NOT, MAKE AN ADJUSTMENT AS FOLLOWS: TO ADJUST REMOVE THE FACE PLATE.

  • Page 14: Height Of Feed Dog

    MECHANICAL ADJUSTMENT HEIGHT OF FEED DOG CORRECT SETTING LOWER THE PRESSER FOOT AND TURN THE BALANCE WHEEL TOWARD YOU UNTIL THE NEEDLE BAR COMES TO THE HIGHEST POINT OF ITS TRAVEL. IN THIS CONDITION, THE HEIGHT OF THE FEED DOG ABOVE THE NEEDLE PLATE SHOULD BE 0.75 MM - 0.90 MM.

  • Page 15: Clearance Between Needle And Hook (No.1)

    MECHANICAL ADJUSTMENT CLEARANCE BETWEEN NEEDLE AND HOOK (NO.1) CORRECT SETTING THE CLEARANCE BETWEEN NEEDLE AND SHUTTLE RACE SHOULD BE 0 MM - 0.15 MM. IF NOT, MAKE AN ADJUSTMENT AS FOLLOWS: TO ADJUST REMOVE THE FACE PLATE. (SEE PAGE 4.) SET THE PATTERN SELECTOR DIAL AT LEFT NEEDLE POSITION “...

  • Page 16: Clearance Between Needle And Hook (No.2)

    MECHANICAL ADJUSTMENT CLEARANCE BETWEEN NEEDLE AND HOOK (NO.2) CORRECT SETTING USE THIS ADJUSTMENT NO.2 WHEN ADJUSTMENT NO. 1 CANNOT BE USED. THE CLEARANCE BETWEEN NEEDLE AND SHUTTLE RACE SHOULD BE 0 MM - 0.15 MM. TO ADJUST SET THE PATTERN SELECTOR DIAL AT “ ”.

  • Page 17: Needle Bar Height

    MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT CORRECT SETTING THE STANDARD DISTANCE BETWEEN THE UPPER EDGE OF NEEDLE EYE AND THE TIP OF SHUTTLE HOOK SHOULD BE IN THE RANGE OF 2.9 MM - 3.5 MM WHEN THE TIP OF SHUTTLE HOOK MEETS THE LEFT SIDE OF THE NEEDLE IN ASCENDING TRAVEL OF NEEDLE FROM ITS LEFT AND LOWEST POSITION.

  • Page 18: Hook Timing

    MECHANICAL ADJUSTMENT HOOK TIMING CORRECT SETTING THE STANDARD HEIGHT OF NEEDLE POINT FROM ITS LOWEST POINT OF TRAVEL SHOULD BE IN THE RANGE OF 1.45 MM - 1.95 MM WHEN THE TIP OF SHUTTLE HOOK MEETS EXACTLY THE LEFT SIDE OF NEEDLE AT LEFT NEEDLE POSITION. TO ADJUST SET THE SELECTOR DIAL AT “...

  • Page 19: Feed Balance On Stretch Stitch

    MECHANICAL ADJUSTMENT FEED BALANCE ON STRETCH STITCH CORRECT SETTING IF THE STRETCH STITCH PATTERNS ARE DISTORTED WITH SETTING THE STITCH LENGTH DIAL AT “SS”. (IN CASE OF BEING A DIFFERENCE BETWEEN FORWARD FEEDING AND BACKWARD FEEDING DURING STRETCH STITCH PATTERNS), MAKE AN ADJUSTMENT AS FOLLOWS: TO ADJUST REMOVE THE CAP.

  • Page 20: Buttohole Feed Balance

    MECHANICAL ADJUSTMENT BUTTON HOLE FEED BARANCE CORRECT SETTING WHEN SEWING BUTTONHOLE, THE STITCHES ON EACH SIDE OF BUTTONHOLE SHOULD BE THE SAME STITCH DENSITY. THE RANGE OF 9 - 11 STITCHES IN THE RIGHT SIDE ROW “BACKWARD FEEDING” AGAINST 10 STITCHES IN THE LEFT SIDE ROW “FORWARD FEEDING”...

  • Page 21: Bartack Feed Of Buttonhole

    MECHANICAL ADJUSTMENT BARTACK FEED OF BUTTONHOLE CORRECT SETTING IF THE MATERIAL IS FED FORWARD OF BACKWARD WHEN SEWING BARTAC ON BUTTONHOLE, MAKE AN ADJUSTMENT AS FOLLOWS: TO ADJUST SET THE PATTERN SELECTOR DIAL AT “ “ AND THE STITCH LENGTH DIAL AT “4”. (SET THE PATTERN SELECTOR DIAL AT “...

  • Page 22: Disengagement Of Cam Follower (No.1)

    MECHANICAL ADJUSTMENT DISENGAGEMENT OF CAM FOLLOWER (NO.1) CORRECT SETTING TOO NARROW CLEARANCE BETWEEN THE CAM FOLLOWER AND THE TOP CONVEX OF ZIGZAG CAM MAY OFTEN CAUSE DIFFICULTLY IN TURNING THE PATTERN SELECTOR DIAL OR CANNOT SELECT CORRECT PATTERN. TO ADJUST SET THE PATTERN SELECTOR DIAL AT “...

  • Page 23: Needle Movement For Straight Stitch

    MECHANICAL ADJUSTMENT NEEDLE MOVEMENT FOR STRAIGHT STITCH CORRECT SETTING NEEDLE IS ZIGZAG SLIGHTLY WHEN SELECT THE PATTERN SELECTOR DIAL AT “ ” AND THE STITCH WIDTH DIAL AT “ 0 ”, ADJUSTMENT IS AS FOLLOWS: TO ADJUST SET THE PATTERN SELECTOR DIAL AT “ ”...
  • Page 24 MECHANICAL ADJUSTMENT (BLANK PAGE)

  • Page 25: Buttonhole Function

    MECHANICAL ADJUSTMENT BUTTONHOLE FUNCTION CORRECT SETTING IN BH STITCHING, THE SEWED BUTTONHOLE SHOULD BE ABOUT 3 MM LONGER THAN THE LENGTH SET BY THE R FOOT. IF THIS LENGTH CANNOT BE OBTAINED, THEN CHECK AND ADJUST IN THE FOLLOWING PROCEDURE: TO ADJUST REMOVE THE FACE PLATE.

  • Page 26: Motor Belt Tension

    MECHANICAL ADJUSTMENT MOTOR BELT TENSION CHECK: TOO TIGHT OR TOO LOOSE MOTOR BELT TENSION MAY CREATE BELT NOISE AND ALSO TOO TIGHT MOTOR BELT TENSION CAN CAUSE THE MACHINE TO RUN SLOW AND WILL OVERLOAD THE MOTOR. TOO LOOSE MOTOR BELT TENSION MAY CAUSE JUMPING OF THE BELT TEETH ON THE MOTOR PULLEY.

  • Page 27: Wiring

    WIRING BLUE CORD BROWN CORD BROWN CORD BLUE CORD FROM MOTOR FROM LAMP SOCKET...

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