Janome Jubilee 60507 User manual

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

9
• The distance between the bottom of the presser foot in up position and the needle plate should
be 6.0 mm.
<To adjust>
Remove the face plate and needle.
Lower the feed dog below the needle plate. Place a block 6 mm thick under the presser foot and
lower the presser foot lifter.
Loosen the setscrew (A). Raise the presser foot lifter and tighten the setscrew (A) firmly.
Attach the needle and face plate.
Attach the face plate.
NOTE:
Make sure that the presser foot should be parallel to the feed dog slots (B) in the needle plate.
Setscrew (A)
6mm
Presser foot height
Presser foot
Needle plate
Feed dog
Presser foot alignment
Presser foot should
be parallel to the
feed dog slots.
Adjusting Presser Foot Height and Alignment
Block
(B)

10
• If the needle swing when it is still in the fabric, correct it as follows.
<To adjust>
Remove the front cover (see page 6).
Select the zigzag stitch ( ) and set the stitch width dial at 5.0.
Loosen the setscrews on the worm.
While holding the worm as not to rotate, turn the handwheel to adjust the needle bar swing so
that the needle starts to swing 2 - 3 mm above the needle plate in the right outflow.
Tighten the setscrews on the worm securely.
Attach the front cover.
NOTE:
The upper shaft should turn smoothly without an excessive backlash between the worm
and gear.
Adjusting Needle Swing
Upper shaft
Setscrew
Worm
Needle plate
2 to 3mm
Backlash
increases
Backlash
decreases
NOTE:
Make sure the worm does not
move sideways when turning the
handwheel, otherwise the
backlash will change.

11
• The clearance between the needle and side edges of the needle hole should be 0.2 mm or
more when the maximum width zigzag stitch ( ) is select. And the needle should drop in the
center of the needle hole when the straight stitch is selected.
<To adjust>
Remove the face plate (see page 4).
Select the straight stitch ( ).
Loosen the setscrew.
Move the needle bar supporter so that the needle drops in the center of the needle hole. Tighten
the setscrew.
Select the zigzag stitch ( ) and set the stitch width dial at 5.0 to check the clearance
between needle and side edges of the needle hole.
Attach the face plate.
Adjusting Needle Drop Position
Setscrew
Needle hole
AB
A=B
Needle bar supporter

12
Adjusting Needle to Hook Timing
• The amount of ascending travel of the needle in the maximum width zigzag stitch ( ) from
the right lowest position should be 1.4 to 2.0 mm where the hook point meets the right side of
the needle.
<To adjust>
Select the maximum width zigzag stitch ( ).
Remove the base cover (see page 5).
Remove the needle plate and bobbin holder.
Loosen the setscrews on the lower shaft gear.
Turn the handwheel toward you to bring the needle to the right lowest position. Then raise the
needle 1.7mm from the lowest position.
While holding the handwheel as not to move the needle bar, rotate the hook race until the hook
point meets the right side of the needle.
Tighten the setscrews.
Attach the bobbin holder and needle plate.
Attach the base cover.
Note: Before performing this adjustment, be sure to check the needle bar height.
Needle plate
Bobbin holder
Lower shaft gear
Setscrews
(2 off)
1.4 - 2.0 mm
Lowest position
of the needle
Hook point meets the right
side of the needle.
Needle in right position

13
• The standard distance between the upper edge of the needle eye and the upper surface of the
hook race should be in the range of 3.0 - 3.6 mm when the hook point meets the right side of
the needle in its ascending travel from the right lowest position of the maximum width zigzag
stitch ( ).
<To adjust>
Select the maximum width zigzag stitch ( ) and bring the needle to the right lowest position.
Remove the face plate (see page 4).
Remove the needle plate and bobbin holder.
Turn the handwheel toward you until the hook point meets the right side of the needle.
Loosen the setscrew and move the needle bar up or down to adjust the needle bar height.
Note: Be careful not to rotate the needle bar.
Tighten the setscrew.
Attach the bobbin holder, needle plate and face plate.
NOTE:
Before performing this adjustment, check the needle to hook timing.
Adjusting Needle Bar Height
Setscrew
Needle Alignment
3.0 - 3.6mm
Upper edge of needle eye
Hook race unit
Needle plate
Bobbin holder
Upper surface of hook race

14
• The standard clearance between the needle and hook point should be -0.10 to +0.05 mm.
<To adjust>
Select the maximum width zigzag stitch ( ).
Remove the base cover (see page 5). Remove the needle plate and bobbin holder.
Replace the needle with the test pin. Loosen the setscrews (B) and (C). Slightly loosen
the setscrew (A).
Turn the handwheel toward you to bring the hook point behind the test pin.
Adjust the clearance to -0.1 to +0.05 mm by moving the hook base plate up or down.
Tighten the setscrews (A), (B) and (C) securely.
Check the backlash of the hook drive gear and lower shaft gear.
Note: Adjust the backlash if necessary (see page 15).
Attach the base cover.
Replace the test pin with the needle. Attach the bobbin holder and needle plate.
Adjusting Clearance between Needle and Hook Point
Needle plate
Bobbin holder
Test pin
Hook point
Setscrew (A)
Setscrew (B)
Hook base plate
Setscrew (C)
–1.0 to +0.05mm

15
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear
• The rotary play should be 0.8 mm or less when the hook point is within the span of the feed
dog, and the gears should turn smoothly.
<To adjust>
Remove the base cover (see page 5).
Loosen the setscrews.
If the backlash is too big, turn the lower shaft bushing in the direction (B).
If the gear engagement is too tight, turn the lower shaft bushing in the direction (A).
Tighten the setscrews and attach the base cover.
NOTE:
Be sure to check and adjust the needle to hook timing and feed dog height if necessary, after
performing this adjustment.
Span of feed dog
Hook point
Check rotary play.
Lower shaft bushing
Hook drive gear
Lower shaft bushing
Lower shaft gear
A
B
A
B

16
Adjusting Feed Dog Height
• The distance between the lowered presser foot and needle plate should be 0.75 to 0.85 mm
when the feed dog is in its highest position.
<To adjust>
Select the straight stitch ( ) and set the stitch width at "4".
Lower the presser foot. Turn the handwheel to bring the feed dog to its highest position.
Remove the base cover (see page 5).
Loosen the setscrew (A) and nut.
Turn the adjusting screw to set the feed dog height to 0.75 to 0.85 mm.
Tighten the nut and setscrew (A).
Attach the base cover.
0.75 to 0.85mm
Needle plate
Feed dog
To raise
To lower
Adjusting screw
Nut
Setscrew (A)

17
The forward feeding (A) and backward feeding (B) should be equal when sewing stretch stitch pattern.
<To adjust>
Select the straight stretch stitch ( ).
Place a piece of paper under the foot. Turn the handwheel to check the needle marks.
Remove the cap to access the adjusting screw.
If the forward feeding (A) is longer than backward feeding (B), turn the adjusting screw in the
direction (C).
If the forward feeding (A) is shorter than backward feeding (B), turn the adjusting screw in the
direction (D).
Attach the cap.
Adjusting Feed Balance
(D) (C)
Adjusting screw
Cap
A
AB
1
23
A
A
1
23B
A
A
1
23B
ABABAB

18
Cap
Adjusting screw
(C)
(D)
Adjusting Buttonhole Feed Balance
• When sewing a buttonhole, the stitches on each side of the buttonhole should be the same
density.
The range of 9 to 12 stitches in the right side row against 10 stitches in the left side row is
considered acceptable.
<To adjust>
Sew a test buttonhole and count the stitches on each side.
Remove the cap to access the adjusting screw.
If the left row is denser (A), turn the adjusting screw in the direction (C).
If the right row is denser (B), turn the adjusting screw in the direction (D).
Attach the cap.
A B