Janome Memory Craft 10001 User manual

SERVICING MANUAL

MECHANICAL ADJUSTMENT 1
Changing External Parts (1) Face Cover / Top Cover 1
Changing External Parts (2) Belt Cover 2
Changing External Parts (3) Base Cover 3
Changing External Parts (4) Bed Cover / Base Cap 4
Changing External Parts (5) Base Unit 5
Checking Items after Attaching Base Unit (1) 6
Adjusting Needle Drop Position 7
Adjusting Presser Foot Position and Height 8
Adjusting Hook Timing 9
Adjusting Needle Bar Height 10
Adjusting Clearance between Needle and Hook 11
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear 12
Adjusting Feed Dog Height 13
Adjusting Upper Shaft Shield Plate Position 14
Adjusting Needle Thread Tension 15
Adjusting Tension Release Mechanism for Knee Lifter 16
Changing Thread Tension Unit 17
Adjusting Stretch Feed Balance 18
Replacing Threader Plate and Adjustment 19
Adjusting Height of Embroidery Foot P 20
ADJUSTMENT FOR ELECTRICAL COMPONENTS 21
Replacing Front Cover Unit 21
Connector Connection Diagram 22
Replacing Printed Circuit Board A 23
Replacing Touch Panel 24
Replacing Slide Volume / Printed Circuit Board F 25
Adjusting Key Position of Touch Screen 26
Adjusting Presser Foot Sensor 27
Adjusting Presser Foot Lifter Sensor 28
Adjusting Buttonhole Lever 29
Adjusting Remaining Bobbin Thread Sensor 30
Replacing DC Motor and Motor Belt Tension Adjustment 31
Replacing Carriage Plate (Unit) 32
Adjusting Feed Dog Up/Down Position 33
Replacing Needle Threader Unit (1) 34
Replacing Needle Threader Unit (2) 35
Adjusting Needle Threader Switch 36
Adjusting X and Y Sensors 37
Adjusting X and Y Sensors (Instant Adjustment) 38
Adjusting X Motor Gear 39
TABLE OF CONTENTS

Replacing the face cover
To remove:
1. Remove Screws A (2 pieces) q and remove
the Face Cover w.
To attach:
2. Attach the Face Cover and tighten Screws A
(2 pieces) qtemporarily.
3. Close the Face Cover wand check the
difference in level between the Top Cover e
and thread guide cover r, then tighten
Screws A (2 pieces) q.
4. Adjust the Face Cover position to ensure that
the Face Cover wcloses firmly.
qScrews A
Replacing the top cover
To remove:
1. Remove the Screws B (2 pieces) tand close
the Top Cover eand raise the handle, then
remove the Screw C y.
2. Raise the Top Cover and remove the Top Cover
to the direction of the arrow.
To attach:
3. Raise the handle and insert the Top Cover e
from the backside of the machine.
4. Tighten Screws B tand C yto attach the
top cover.
wFace Cover
eTop Cover
rThread Guide Cover
tScrews B
yScrew C
MECHANICAL ADJUSTMENT
Changing External Parts (1) Face Cover / Top Cover
w
e
r
t
y
q
1

Replacing the belt cover
To remove:
1. Remove the Cap qand Screw A w.
2. Loosen Screw B eand remove Screws C r
and D t.
To attach:
3. Match the Belt Cover to the Front Cover.
4. Attach the Belt Cover with Screws A w, B e,
C r, D t.
5. Attach the Cap q.
qCap
wScrew A
eScrew B
rScrew C
tScrew D
Changing External Parts (2) Belt Cover
q
w
e
tr
2

q
qwq
Replacing the base cover
To remove:
1. Loosen Screws q(4 pieces) to remove the
Base Cover w.
To attach:
2. Attach the Base Cover wand secure it with
Screws q.
qFour Screws
wBase cover
Changing External Parts (3) Base Cover
3

q
w
e
r
y
t
q
q
Replacing the bed cover
To remove:
1. Remove the Base Cover.
2. Remove Screws A q(2 pieces) and the Base
Lid w.
3. Remove Screws B e(2 pieces) and pull out
the connector r, then remove the Bed Cover
t.
qScrews A
wBase Lid (1)
eScrews B
rConnector
tBed Cover
yDrop Feed Knob
To attach:
4. Follow the above procedure in reverse.
* Set the Drop Feed Knob yas shown, place
and attach the mated connectors rin the
Bed Cover t.
Replacing the base cap
To remove:
1. Remove Screws (5 pieces) tand the Base
Lid w.
To attach:
2. Attach the Base Lid wand secure it with
Screws q.
qFive Screws
wBase Lid
Changing External Parts (4) Bed Cover / Base Cap
w
4

e
eq
w
rt
y
u
io
Replacing the base unit
To remove:
1. Remove the Screws A qand B w, then
remove the Screws C e(4 pieces).
Detach the Base Unit.
2. Disconnect the X Motor Connector rthen
Y-Motor Connector tfrom board A.
qScrew A
wScrew B
eFour Screws C
rX Motor Connector (Blue)
tY Motor Connector (White)
To attach:
3. Attach the X r, Y tMotor Connectors to
board A.
4. Insert the X, Y-Motor Cords ybetween the
board A and arm without touching the Feed
Motor, then tighten screws (4 pieces)
temporarily.
5. Attach the Extension (Accessory) Table u.
6. Align the Extension Table u, Base Unit, Free
Arm and tighten the Screw A o.
7. Tighten Screws while aligning the Extension
Table.
yInsert the Cord in this place
uExtension Table
iScrews
oScrew A
Note:
After attaching the Base Unit, check the
“Checking the Knee Lifter Link Play (1)”
and “Adjusting Presser Foot Sensor”.
(see page 28)
Changing External Parts (5) Base Unit
5

q
w
e
r
y
1. Attach the Knee Lifter q.
2. Attach the Embroidery Foot P.
3. Lower the presser foot lever and lower the
needle to its lowest position.
4. Move the Knee Lifter qseveral times.
5. Remove the Top Cover. (See Page 1)
6. When the presser arm wis moving by
turning the handwheel, the clearance
between the knee lifter link (5) eand presser
arm pin rshould be 0.2 to 0.5 mm t.
7. For the adjustment of the knee lifter play,
remove the belt cover and loosen the nut
and adjusting screw yunder the receptacle.
After adjustment, tighten the nut and follow
steps 4 to 6 for rechecking.
8. Attach the belt cover and top cover.
qKnee Lifter
wPresser Arm
eKnee Lifter Link (5)
rPresser Arm Pin
tClearance 0.2~0.5 mm
yNut and Adjusting Screw
Checking Items after Attaching Base Unit (1)
t
6

A = B
q
w
e
r
t
t
1. Remove the top cover, and select the pattern
No.1 (Straight stitch) and lower the needle to
its lowest position by turning the handwheel.
2. Loosen screw q, move the zigzag width
connecting rod wto the right or left until the
needle comes to the center of the needle plate
hole e.
3. Select the pattern No.8 (Zigzag) and set the
zigzag width at 7.0 mm.
4. Turn the handwheel toward you and check the
clearance at the outside of both the left and
right sides. It should be 0.2 mm or more tas
shown below.
5. Reattach the top cover.
qScrew
wZigzag Width Connecting Rod
eNeedle Plate Hole
rNeedle # 14
t0.2 mm or more
Adjusting Needle Drop Position
When the straight stitch is selected on the touch panel, the needle should be positioned at the
center of the needle plate hole and when the maximum zigzag width ( 7 mm) is selected, the
standard clearance at the outside of both the left and right sides should be 0.2 mm or more as
shown below.
7

q
w
e
r
t
Adjusting Presser Foot Position and Height
When the presser foot is raised, the clearance between the presser foot and the needle plate
should be 6.0 mm.
When the presser foot is lowered, the edge of the foot and the feed dog window ron the
needle plate should be parallel t.
1. Raise the presser foot, loosen the screw to
adjust the presser foot position and presser
foot height.
Select the Embroidery Mode, attach the standard
presser foot w, lower the presser foot and when
the Start/Stop button is pressed, the message
Presser Foot “P” should appear on the touch
screen.
Replace the standard presser foot to P foot and
set the pressure dial to “2”, and lower the presser
foot slowly.
Turn the handwheel to raise the needle bar to its
highest position, then press the Start/Stop button
to run the machine.
If it is not working correctly, check the “Adjusting
the Presser Foot Sensor” (see page 27).
qHexagonal Screw
wStandard Presser Foot
eApproximately 6.0 mm
rFeed Dog Window
tParallel
8

5°5°q
w
e
r
t
y
u
i
o
!0
Adjusting Hook Timing
When the pattern No. 2 is selected, the amount of ascending travel of the needle bar from its
lowest position to the position where the tip of the rotary hook exactly meets the right side of
the needle should be 3.25 to 3.55 mm.
1. Remove the Belt Cover, Bed Cover, Base
Cover, Base Lid (1) and Base Lid.
2. Turn the Power On and select the pattern No 2.
3. Turn the handwheel toward you to lower the
needle bar to its lowest position.
4. In this position, if the convex of the feed lifting
cam qis in the lowest position, loosen the set
screws of lower shaft gear w, e.
If not, loosen the screws (2 pieces) rof lower
shaft timing gear t.
5. Raise the needle bar further 3.4 mm yfrom
the lowest position u.
6. Turn the lower shaft gear iuntil the tip of
rotary hook meets with the right side of the
needle o.
Tighten the screws of the lower shaft gear i
or the lower shaft timing gear t.
7. Reattach the Belt Cover, Bed Cover, Base
Cover, Base Lid (1) Base Lid.
qConvex of the Feed Lifting Cam
wScrew
eScrew
rScrews (2 pieces)
tLower Shaft Timing Gear
y3.4 +0.15 mm
uLowest Needle Position
iLower Shaft Gear
oThe Tip of Rotary Hook Meets With the Right
Side of the Needle.
!0 Needle # 14
9

q
w
e
r
t
yu
i
1.8 mm +0.2
Adjusting Needle Bar Height
When the pattern No. 2 is selected, the standard distance between the upper edge of the
needle eye and the tip of the rotary hook should be in the range of 1.6 - 2.0 mm when the tip of
the rotary hook meets the right side of the needle in ascending travel of needle from its left and
lowest position.
1. Remove the lamp socket q.
2. Remove the needle plate and bobbin holder,
turn the Power ON, and select the pattern
No. 2.
3. Turn the handwheel toward you and align the
tip of the rotary hook until it meets the right
side of the needle w.
4. Insert the screwdriver through the hole of the
lamp fixing plate eand loosen the hexagonal
screw ras shown.
5. Move the needle bar up or down to adjust the
needle bar height.
6. Place the needle bar groove tin front of you
and tighten the screw.
7. Turn the handwheel toward you to check that
the tip of needle does not touch the bottom of
the rotary hook.
8. Insert the bobbin holder and attach the needle
plate.
9. Reattach the lamp socket.
qLamp Socket
wMatching the Tip of Rotary Hook with the Needle
eLamp Fixing Plate
rHexagonal Screw
tNeedle Bar Groove
yNeedle # 14
uRotary Hook Race
iTop of the Needle Eye
10

qe
r
w
t
y
u
Adjusting Clearance between Needle and Hook
The clearance between needle and rotary hook should be – 0.10 to + 0.05 mm.
If not, make adjustment as follows:
1. Remove the needle plate, bobbin holder, base
cover, base lid, bed cover and attach the
master needle.
2. Turn the power switch ON and select pattern
No. 8.
3. Loosen screws A q, B w, C eand tighten
screw C etemporarily.
4. Turn the handwheel toward you and adjust the
clearance between the master needle rand
the tip of rotary hook tin the left and right
needle positions to – 0.10 to + 0.05 mm yby
moving the rotary hook set plate uup or
down.
5. Tighten screws A q, B w, C e.
6. Check the rotary hook driver gear and the
lower shaft gear backlash.
If gears mesh or engage tightly or loosely,
check “Adjusting Backlash between Hook
Drive Gear and Lower Shaft Gear”.
(see page 12)
7. Reattach the bed cover, base cover, base lid,
bobbin holder, needle plate and replace the
master needle rwith the needle.
qScrew A
wScrew B
eScrew C
rMaster Needle
tTip of Rotary Hook
y– 0.10 to + 0.05 mm
uRotary Hook Set Plate
11

A
B
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear
The backlash of gears should be 0.8 mm or less when the tip of the rotary hook is within the
width of the feed dog as shown below.
Adjust the backlash after the adjustment of the clearance between needle and rotary hook.
1. Remove the base cover, base lid and bed
cover.
2. Loosen the hexagonal socket screw q.
3. (A) If the backlash is too big or large, turn the
lower shaft bushing win the direction of A.
(B) If the backlash is too little, turn the lower
shaft bushing win the direction of B.
4. Tighten the hexagonal socket screw q.
5. Reattach the bed cover, base cover, and base
lid.
qHexagonal Socket Screw
wLower Shaft Bushing
eThe Backlash of Gears Should be 0.8 mm or
less when the Tip of Rotary Hook is within the
Width of the Feed Dog as Shown.
rTip of Rotary Hook
w
q
e
r
12

w
q
ery
o
u
i
t
!0
!1
!2
Adjusting Feed Dog Height
When the pressure adjusting dial is at “3” and the presser foot is lowered, the highest position
of the feed dog should be 0.75 to 0.85 mm from the surface of the needle plate.
To adjust feed dog height
1. Remove the base cover, base lid (1) and bed
cover q.
2. Set the pressure dial at “3” and lower the
presser bar lifter, then turn the Power ON.
3. Turn the handwheel toward you until the feed
dog comes to its highest position.
4. Remove the Screw A wand the bed cover
(Front) q.
5. Loosen the Screw B e.
6. Loosen the nut rand adjust the feed dog
height to 0.8 mm tby turning the adjusting
screw C y.
7. Tighten the nut r.
8. Tighten the Screw B e.
To adjust the feed dog position parallel to
needle plate
Turn the handwheel toward you until the feed dog
ucomes to its highest position, the feed dog u
and the needle plate should be parallel. If not,
follow the instructions below.
9. Prepare the hexagonal socket screw iand
insert it to the attaching hole (D) oand screw
it until the tip of screw reaches the bottom.
10. Loosen the screw E !1 ( This screw is left
hand screw.)
11. Turn the hexagonal socket screw (4 x 6) i
and adjust the feed dog uparallel to the
needle plate.
12. Tighten Screw E !0 .
13. Loosen the hexagonal screw iand remove
it.
14. Reattach the bed cover (Front) qwith Screw
A w.
Reattach the bed cover, base cover and base
lid (1).
qBed Cover (Front)
wScrew A
eScrew B
rNut
t0.75-0.85mm
yScrew C
uFeed Dog
i Hexagonal Socket Screw (4x6)
oAttaching Hole D
!0 Screw E (Left hand screw)
!1 Presser Foot
!2 Needle Plate Surface
13

(B)
(A)
q
w
y
re
t
Adjusting Upper Shaft Shield Plate Position
When the machine is set for zigzag stitching, the needle should start to swing 7.8 mm to
8.2 mm above the needle plate surface q.
1. Remove the top cover unit and turn the Power
ON.
Then select zigzag pattern No.8.
2. Turn the handwheel toward you slowly until the
needle wstarts to swing.
3. (A) If the needle swings higher than 8.2 mm,
loosen the set screw eand turn the
upper shaft shield plate rin direction of
A .
(B) If the needle swings lower than 7.8 mm,
loosen the set screw eand turn the
upper shaft shield plate rin direction of
B .
4. Place the right hand side of the Upper shaft
shield plate rat the center position of the
upper shaft sensor tand tighten the screw
e.
5. Turn the handwheel toward you to check the
needle swing position again, then attach the
top cover.
qNeedle Plate Surface
wNeedle #14
eScrew
rUpper Shaft Shield Plate
tUpper Shaft Sensor
y7.8-8.2 mm
14

Adjusting Needle Thread Tension
1. Turn the Power ON and select the pattern No.1
and press the Needle Up/Down button twice.
2. Press “Adjust Key” and set the thread tension
at “3.4” on the touch panel.
3. Open the face cover and adjust the thread
tension.
(A) To loosen the tension...... turn the screw
in the direction
of (–).
(B) To tighten the tension...... turn the screw
in the direction
of (+).
qPull the #50 cotton thread in the direction of the
arrow.
q
The standard of upper thread tension should be 59g to 67g when pulling the thread (cotton
thread # 50) in the direction of A when Pattern No. 1 is selected.
15

wq
y
e
r
t
!5
i
o
y
t
!2
!3
!4
Adjusting Tension Release Mechanism for Knee Lifter
Adjusting tension release claw
1. Remove the top cover.
2. Lower the presser foot and turn the thread
tension dial quntil the convex part of tension
dial wis set at the tension release claw e.
In this condition, loosen screw A rand
adjust the tension release adjusting plate t
to touch the tension discs supporter y.
The tension discs should be opened slightly.
3. Tighten screw A r.
To Adjust the thread releasing plate
4. Lower the presser foot, turn the thread
tension dial until the flat surface position
touches the releasing claw e.
5. Loosen screw B u.
6. Set the thread releasing lever iso it touches
the thread release plate yslightly and
tighten screw B u.
7. When the presser foot is raised, the tension
discs should be opened.
Note: The clearance between the tension disc
supporter and the thread releasing plate
should be 0.5 to 1.0 mm owhen the
presser foot is lowered.
Check “the presser foot P sensor”.
The presser foot sensor switch !0 must
be OFF when the convex of tension dial
qis set at the tension release claw.
To adjust the knee lifter thread
releasing plate.
8. Lower the presser foot and turn the
handwheel until the feed dog raises to its
highest position.
9. The clearance between the presser bar
actuator arm !1 and the knee lifter thread
release plate !2 should be 0.2 - 0.6 mm !3 .
Loosen screw C !4 to adjust the clearance.
10. Reattach the top cover.
qThread Tension Dial
wConvex
eTension Releasing Claw
rScrew A
tTension Releasing Adjusting Plate
yTension Disc Supporter
uScrew B
iTension Releasing Lever
oClearance 0.5-1.0 mm
!0 Presser Foot Sensor Switch
!1 Presser Bar Actuator Arm
!2 Knee Lifter Tension Releasing Plate
!3 Clearance 0.2-0.6 mm
!4 Screw C
!5 Thread Releasing Plate
u
!0
!1
16

q
w
e
r
Changing Thread Tension Unit
Replacing the thread tension unit
1. Remove the front cover.
2. Remove Screw A wand cord from the nylon
clip q.
3. Remove Screws B e, C rand replace the
thread tension.
Note: Adjust “Tension Release Mechanism for
Knee Lifter (see page 16)” after the
replacement.
qNylon Clip
wScrew A
eScrew B
rScrew C
17

?
SET
Brightness
SEW TEST
Bobbin
Foot UD
Test Clear EEPROM
8 Adjust
BH Sensor
Foot Sensor
Main Ver.
Ver.
Slave
88888888
8 Adjust
OK
36 ±3
(A)
(A)
(B)
(B)
q
w
e
r
Adjusting Stretch Feed Balance
When the figure 8 is sewn with the feed balancing dial at the standard setting mark, the sewn
pattern should be as indicated by the mark “ ” in the illustration below.
1. Set up the machine in Adjusting Mode. Turn
the Power ON while pressing the
Start/Stop button and Reverse button at the
same time.
( Keep pressing both buttons until the LCD
shows the Adjusting window.)
2. Press “8 Adjust” on the touch panel.
3. Set the feed balancing dial qat the standard
setting mark “ ” w.
4. Check the sewing results.
(The standard length of the five pieces of
figure 8 is 33 - 39 mm.)
5. Remove the base cap (3) e.
6. If the length of the stitch pattern is extended
more than the standard length, turn the
adjusting screw rin the direction of A.
If the length of the stitch pattern is shorter
than the standard length, turn the adjusting
screw in the direction of B.
7. Check the sewing results.
8. Press OK key and turn the Power OFF.
9. Reattach the base cap (3) e.
qFeed Adjusting Knob
wSetting Mark
eBase Cap (3)
rAdjusting Screw
Å¢
18