Janome Jubilee 60507 Manual de usuario
SERVICE MANUAL
&
PARTS LIST
MODEL: Jubilee 60507
CONTENTS
What to do when.................................................................................................................1 - 3
Service Access (1) Face plate................................................................................................. 4
Service Access (2) Base cover................................................................................................ 5
Service Access (3) Front cover................................................................................................ 6
Service Access (4) Rear cover ................................................................................................ 7
Adjusting Thread Tension ........................................................................................................ 8
Adjusting Presser Foot Height and Alignment......................................................................... 9
Adjusting Needle Swing......................................................................................................... 10
Adjusting Needle Drop Position............................................................................................. 11
Adjusting Needle to Hook Timing .......................................................................................... 12
Adjusting Needle Bar Height ................................................................................................. 13
Adjusting Clearance between Needle and Hook Point .......................................................... 14
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear.................................. 15
Adjusting Feed Dog Height.................................................................................................... 16
Adjusting Feed Balance......................................................................................................... 17
Adjusting Buttonhole Feed Balance ...................................................................................... 18
Adjusting Buttonhole Zero Feed ............................................................................................ 19
Replacing Motor and Adjusting Motor Belt Tension ............................................................... 20
PARTS LIST ...................................................................................................................21 - 41
1
What to do when
CONDITION CAUSE HOW TO FIX REFERENCE
1. Skipping 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 fabric. Use a #11 blue tip needle.
6. Presser foot pressure Adjust the presser bar
is too weak. level to make the
pressure stronger.
7. Inappropriate needle See mechanical adjustment P.13
bar height. “Needle Bar Height”.
8. Inappropriate needle See mechanical adjustment P.12
to hook timing. “Needle to Hook Timing”.
9. Inappropriate needle See mechanical adjustment P.14
to hook clearance. “Clearance between Needle
and Hook Point”
2. Fabric not 1. Presser foot pressure Adjust the presser bar
moving is too weak. level to make the
pressure stronger.
2. Incorrect feed dog height. See mechanical P.16
adjustment “Feed Dog Height.”
3. Feed dog is in down position. Raise the feed dog level.
4. Thread on bottom side Make sure to bring
of fabric is jammed up. both needle and bobbin
thread under the foot
when starting sewing.
5. Feed dog teeth are worn. Change the feed dog.
2
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 incorrect. Use the proper thread path.
3. Needle is bent or worn. Replace with a new needle.
4. Upper thread tension is Adjust the upper thread tension P.8
too strong. correctly.
5. Needle size is inappropriate Use appropriate needle
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. Breaking 1. Incorrectly threaded Thread bobbin correctly.
bobbin bobbin.
2. Too much thread is Adjust the position of
around on the bobbin. bobbin winder stopper.
3. Lint is stuck inside the Clean the shuttle.
bobbin holder.
4. Thread quality is Change to a high quality
too low. sewing thread.
5. Thread is jamming Remove the jamming
around the bobbin. thread.
5. Needle 1. Needle is hitting the See mechanical P.11
breaks needle plate. adjustment “Needle Drop
Position.”
2. Needle is bent or worn. Change the needle.
3. Needle is hitting the See mechanical P.14
shuttle. adjustment “Needle
clearance to shuttle.”
4. The fabric moves while See mechanical P.10
the needle is piercing adjustment “Needle Swing.”
it, or the needle zigzags
while in fabric.
5. Fabric is being pulled too Guide the fabric gently
strongly while sewing. while sewing.
thread
3
CONDITION CAUSE HOW TO FIX REFERENCE
6. Noisy 1. Backlash between See mechanical P.15
operation Shuttle hook gear and adjustment “Backlash
lower shaft gear is too (lower shaft gear).”
great.
2. Lower shaft gear is Eliminate the looseness.
loose.
3. Inappropriate belt See mechanical P.20
tension. adjustment “Motor
belt tension.”
4. Not enough oil Oil all moving parts.
5. Upper shaft is loose Eliminate the looseness
7. Deformation 1. Inappropriate feed See mechanical P.17
pattern balance. adjustment “Stretch
stitch balance.”
2. Inappropriate zigzag See mechanical P.10
synchronization. adjustment “Needle
Swing.”
3. Upper thread tension See mechanical
is too strong. Adjustment “Top tension.”
8. Improper 1. Buttonhole stitch See mechanical P.18, 19
balance is not correct. adjustment “Buttonhole
stitch balance.”
4
Setscrew
Face plate
Service Access (1)
Cap
• Face plate
<To remove>
Remove the cap and setscrew. Remove the face plate.
<To attach>
Attach the face plate with the setscrew.
Attach the cap.
5
• Base cover
<To remove>
Remove the setscrews (6 pcs.) and remove the base cover.
<To attach>
Shift the drop feed lever in the direction of the arrow. Attach the base cover with setscrews.
Setscrew
Setscrew
Setscrew
Base cover
Service Access (2)
Setscrew
Setscrew
Setscrew
Drop feed lever
6
Hook
Setscrew (C)
(two off)
• Front cover
<To remove>
Remove the face plate and base cover (see pages 4 and 5).
Pull out the pattern selector dial and stitch length dial.
Remove the setscrews (A), (B) and (C) (two off).
Remove the front cover, unlocking all the hooks.
<To attach>
Follow the above procedure in reverse.
Service Access (3)
Pattern selector dial
Hooks
Setscrew (A)
Setscrew (B)
Front cover
Stitch length dial
Hook
7
Service Access (4)
Front cover
Setscrew (C)
Setscrew (B)
Setscrew (D)
Setscrew(A)
Setscrew (B)
Presser foot lifter
(1)
(2)
(3)
• Rear cover
<To remove>
Remove the face plate, base cover and front cover (see pages 4 and 6).
Remove the setscrews (A), (B), (C) and (D).
Lower the presser foot lifter and pull away the rear cover from the machine, clearing the parts(1), (2)
and (3), in this order.
<To attach>
Follow the above procedure in reverse.
8
• The standard tension should be 75 - 90 grams measured with a white polyester thread #50
being pulled in the direction of the arrow, when the tension dial is set at "4".
<To adjust>
Remove the front cover (see page 6).
Set the tension dial at "4".
If the tension is too tight, turn the adjusting dial in the direction (A).
If the tension is too loose, turn the adjusting dial in the direction (B).
Check the tension again and attach the front cover.
Adjusting Thread Tension
(B)
(A)
Pull the thread in this direction at approx.
110 mm per second.
White polyester thread #50
Adjusting
dial
Adjusting dial
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