Janome MyStyle 100 Manual de usuario
SERVICE MANUAL
Mystyle 100
CONTENTS
WHAT TO DO WHEN .......................................................................................... 1~3
SERVICE ACCESS
FACE COVER ........................................................................................ 4
FRONT COVER ...................................................................................... 5
REAR COVER ........................................................................................ 6
MECHANICAL ADJUSTMENT
TOP TENSION ...................................................................................... 7
PRESSER BAR HEIGHT AND ALIGNMENT ......................................... 8
NEEDLE SWING .................................................................................... 9
NEEDLE DROP POSITION .................................................................. 10
HOOK TIMING ...................................................................................... 11
NEEDLE BAR HEIGHT ........................................................................ 12
ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK POINT .............
13
FEED DOG HEIGHT ............................................................................ 14
BACKLASH BETWEEN HOOK GEAR AND LOWER SHAFT GEAR .. 15
DISTORTED PATTERN ....................................................................... 16
BUTTONHOLE STITCH BALANCE ..................................................... 17
BARTACK FEED OF BUTTONHOLE ................................................... 18
DISENGAGEMENT OF CAM FOLLOWER .......................................... 19
MOTOR BELT TENSION ..................................................................... 20
WIRING ................................................................................................ 21
PARTSLIST ..................................................................................................... 22~37
1
What to Do When
Condition Cause How to fix Reference
1. SKipped 1. Needle is not inserted Insert the needle properly.
stitches properly.
2. Needle is bent or worn. Change the needle.
3. Incorrectly threaded. Rethread.
4. Needle or thread are Use the recommended
inappropriate for sewing needle and thread.
fabric being sewn.
5. Sewing on stretch Use a #11 blue tip needle.
fabric.
6. Presser foot pressure Adjust the presser bar
is too weak. level to make the
pressure stronger.
7. Inappropriate needle See mechanical p.12
bar height. adjustment
“Needle Bar Height”.
8. Inappropriate needle See mechanical p.11
to hook timing. adjustment
“Hook Timng”.
9. Inappropriate needle See mechanical adjustment p.13
to hook clearance. “Adjusting Clearance Between
Needle and Hook Point”.
2. Fabric not 1. Incorrect feed dog height. See mechanical p.14
moving adjustment “Feed Dog
Height”.
2. Feed dog is in down Raise the Feed dog level.
position.
3. Thread on bottom side Make sure to bring
of fabric is jammed up. both needle and bobbin
thread under the foot
when starting sewing.
4. Feed dog teeth are Change the feed dog.
worn.
2
Condition Cause How to fix Reference
3. 1. Initial sewing speed is Start with medium speed.
too fast.
2. Thread path is incorrect. Use the proper thread path.
3. Needle is bent or dull. Replace with a new needle.
4. Upper thread tension is Adjust needle thread
too strong. tension correctly.
5. Needle size is Use appropriate needle
inappropriate for fabric. for fabric and thread in use.
6. Needle eye is worn. Change the needle.
7. Needle hole in needle Repair the hole or
plate is worn or burred. replace the needle plate.
4. 1. Incorrectly threaded Thread bobbin correctly.
bobbin.
2. Too much thread is Adjust the position of
on the bobbin. stopper.
3. Lint is stuck inside the Clean the shuttle.
bobbin holder.
4. Thread quality is Change to a higher quality
too low. sewing thread.
5. Thread is jamming Clear out the jamming
around the bobbin. thread.
5. Needle 1. Needle is hitting the See mechanical p.10
breaks needle plate. adjustment “Needle Drop
Position”.
2. Needle is bent or worn. Change the needle.
3. Needle is hitting the See mechanical adjustment p.13
Hook. “Clearance between
Needle and Hook Point”.
4. The fabric moves while See mechanical p.9
the needle is piercing adjustment “Needle
it, or the needle zigzags Swing”.
while in fabric.
5. Fabric is being pulled too Guide the fabric gently
strongly while sewing. while sewing.
Needle
thread
breaks
Bobbin
thread
breaks
3
Condition Cause How to fix Reference
6. Noisy 1. Backlash between See mechanical p.15
operation the hook gear and adjustment “Backlash
lower shaft gear is too between Hook Gear and
great. Lower Shaft Gear”.
2. Lower shaft gear is loose. Eliminate the looseness.
3. Inappropriate belt tension. See mechanical adjustment p.20
“Motor Belt Tension.”
4. Not enough oil. Oil all moving parts.
5. Upper shaft is loose. Eliminate the looseness.
7. Deformed 1. Inappropriate feed See mechanical adjustment p.16
pattern balance. “Distorted pattern”
2. Inappropriate zigzag See mechanical p.9
synchronization. adjustment “Needle Swing.”
3. Upper thread tension Adjust needle thread
is too strong. tension correctly.
8. 1. Buttonhole stitch See mechanical adjustment p.17
balance is not correct. “Buttonhole Stitch Blance”.
2. Changing to bar tack See mechanical adjustment p.18
is too early or will not “Bartack Feed of Buttonhole”.
work.
9. Improper 1. The pattern selector is See mechanical adjustment p.19
pattern blocked. "Disengagement of Cam
Followr".
2. The pattern selector will See mechanical adjustment p.19
not select the correct "Disengagement of Cam
pattern. Followr".
Improper
buttonhole
results
4
SERVICE ACCESS
FACE COVER
TO REMOVE:
1. REMOVE THE SETSCREWS (A).
2. TAKE THE FACE COVER (B) OFF.
TO ATTACH:
1. FOLLOW THE ABOVE PROCEDURE IN REVERSE.
(B)
(A)
5
SERVICE ACCESS
FRONT COVER
(B)
DIALS
CAP
(C)
(E)
(G)
(F)
TO REMOVE
1. REMOVE THE FACE COVER (SEE PAGE 4), AND EXTENSION TABLE.
REMOVE THE CAP, SETSCREWS (B), (D), (E), (F), (G) AND DIALS.
LOOSEN THE SETSCREW (A), (C).
REMOVE THE FRONT COVER.
TO ATTACH
2. FOLLOW THE ABOVE PROCEDURE IN REVERSE.
(D)
(A)
6
SERVICE ACCESS
REAR COVER
REAR COVER
(A)
TO REMOVE
1. REMOVE THE FACE COVER AND FRONT COVER. (SEE PAGE 4, 5)
2. REMOVE THE SETSCREWS (A), (B), (C), (D) AND (E).
3. LOWER THE PRESSER FOOT LIFTER. REMOVE THE REAR COVER.
TO ATTACH
4. FOLLOW THE ABOVE PROCEDURE IN REVRSE.
(B) (C)
(E) (D)
7
MECHANICAL ADJUSTMENT
TOP TENSION
TO CHECK:
THE STANDARD UPPER THREAD TENSION SHOULD BE 75 - 90g WHEN PULLING THE
THREAD (COTTON THREAD #50) IN THE DIRECTION OF (B) WITH SETTING THE TENSION
DIAL AT “4”. (MAKE SURE THE FOOT SHOULD BE LOWERED.)
IF THE TENSION IS OUT OF THE STANDARD RANGE, ADJUST IT AS FOLLOWS:
ADJUSTMENT PROCEDURE:
1. REMOVE THE FACE COVER AND FRONT COVER. (SEE PAGE 4, 5.)
2. TURN THE ADJUSTING NUT (C) IN THE DIRECTION OF (D) WHEN THE UPPER THREAD
TENSION IS TOO TIGHT.
TURN THE ADJUSTING NUT (C) IN THE DIRECTION OF (E) WHEN THE UPPER THREAD
TENSION IS TOO LOOSE.
3. ATTACH THE FRONT COVER AND FACE COVER.
(C)
(E)
(D)
(B)
8
MECHANICAL ADJUSTMENT
PRESSER BAR HEIGHT AND ALIGNMENT
TO CHECK:
1. RAISE THE PRESSER FOOT LIFTER (A).
2. THE DISTANCE BETWEEN THE PRESSER FOOT (D) AND THE NEEDLE PLATE (E)
SHOULD BE 6.0MM (0.24").
ADJUSTMENT PROCEDURE:
1. REMOVE THE FACE COVER. (SEE PAGE 4.)
2. REMOVE THE SCREWS (B) AND TAKE THE LAMP SOCKET OFF.
3. RAISE THE PRESSER FOOT LEVER AND LOOSEN THE SCREW (C) ON THE PRESSER
BAR HOLDER.
ADJUST THE DISTANCE BETWEEN THE PRESSER FOOT (D) AND THE NEEDLE PLATE
(E) TO 6.0MM (0.24").
4. TIGHTEN THE SCREW (C) SECURELY.
5. TIGHTEN THE SCREWS (B) TO SECURE THE LAMP SOCKET.
6. ATTACH THE FACE COVER.
NOTE: WHEN YOU TIGHTEN THE SCREW (C), MAKE SURE THAT BOTH SIDES OF
THE PRESSER FOOT ARE PARALLEL TO THE FEED DOG SLOTS (F) ON THE
NEEDLE PLATE.
(D)
(E)
(F)
6.0MM
(C)
(A)
(B)
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