ELNA 9500 - LEAFLET User manual

SERVICING MANUAL
9500

Changing External Parts (1) ...................................................................................... 1
Changing External Parts (2) ...................................................................................... 2
Changing External Parts (3) ...................................................................................... 3
Changing External Parts (4) ...................................................................................... 4
Changing External Parts (5) ...................................................................................... 5
Changing External Parts (6) ...................................................................................... 6
Changing Thread Tension Uni.................................................................................... 7
Replacing the Thread Cutter unit ............................................................................... 8
Replacing Needle Threader Motor (1) ....................................................................... 9
Replacing Needle Threader Motor (2) ...................................................................... 10
Connector Connection Diagaram.............................................................................. 11
Replacing Printed Circuit Board A ............................................................................ 12
Replacing Printed Circuit Board F1, F2/Slide Volume .............................................. 13
Replacing Printed Circuit Board B ........................................................................... 14
Replacing Switching Power Supply........................................................................... 15
Replacing DC Motor and Motor Belt Tension Adjustment......................................... 16
Adjusting Needle Drop Position ................................................................................ 17
Adjusting Hook Timing .............................................................................................. 18
Adjusting Needle Bar Height..................................................................................... 19
Adjusting Clearance between Needle and Hook ...................................................... 20
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear ..................... 21
Adjusting Presser Foot Position and Height.............................................................. 22
Adjusting Feed Dog Height ....................................................................................... 23
Adjusting Height of Embroidery Foot P..................................................................... 24
Adjusting Upper Shaft Shield Plate Position ............................................................. 25
Adjusting Tension Release Mechanism ................................................................... 26
Adjusting Needle Thread Tension ............................................................................. 27
Replacing Threader Plate and Adjustment ............................................................... 28
Adjusting Needle Threader Switch............................................................................ 29
TTP Adjusting Mode ................................................................................................. 30
Adjusting Stretch Stitch Balance............................................................................... 31
Adjusting Presser Foot Lifter Sensor ........................................................................ 32
Adjusting Buttonhole Lever ....................................................................................... 33
Adjusting Presser Foot Sensor ................................................................................. 34
Adjusting Remaining Bobbin Thread Sensor ............................................................ 35
Adjusting Thread Cutter Solenoid ............................................................................. 36
Adjusting Upper Shaft Clutch Solenoid..................................................................... 37
Adjusting Thread Cutter Switch ................................................................................ 38
Adjusting Bobbin Winder Stopper ............................................................................. 39
INDEX

Adjusting Thread Drawing Lever ............................................................................... 40
Adjusting X andY Sensors ....................................................................................... 41
Adjusting the Sewing Start Position .......................................................................... 42
Setting Position of Thread Take Up lever .................................................................. 43
To Adjust Upper Shaft Declutch Device .................................................................... 44
Setting Position of Parts on Lower Shaft................................................................... 45
Setting Position of the Upper and Lower Shafts ....................................................... 46
INDEX

1
9500
Changing External Parts (1)
To remove:
1Remove Screws (A) (2 pcs) and remove the face
cover .
To attach:
2Follow the above procedure in reverse.
Replacing the face cover
Replacing the top cover
To remove:
1Open the face cover.
2Remove the caps (2 pcs), Screw (B) and Screw
(C).
Raise the carrying handle and remove Screw (D).
3 Raise the top cover and disconnect the bobbin
winder connector .Renove the top cover from rear
side.
• Presser dial comes off together.
To attach:
4 Raise the carrying handle, insert the top cover
from rear side.
5Connect the bobbin winder connector to the A
board.
6Tighten Screws (B), (C), (D).
7Attach the caps.
e
q
q
w
r
(A)
e
r
w
w
(B)
(C)
(D)

2
9500
Changing External Parts (2)
Replacing the belt cover
To remove:
1 LoosenScrew(A).
2Remove the Caps and remove Screws (B) and
(C).
3Remove the hook under the belt cover while push
ing below and remove the belt cover.
To attach:
4Match the belt cover position with the front cover.
5Attach the belt cover while pushing the hook below.
6 Tighten the Screws (A), (B) and (C).
7 Attach the caps .
w
(A)
(B)
(C)
q
q
w
q

3
9500
Changing External Parts (3)
Replacing the bed cover
To remove:
1 Remove the extension table.
2Remove Screws (A) (2 pcs) and remove the bed
cover.
To attach:
3Follow the above procedure in reverse.
(A)

4
9500
Changing External Parts (4)
Replacing the base
To remove:
1 Remove the extension table.
2Remove the belt cover.
3Disconnect the connector from the printed circuit
board S1 .
4Loosen Screws (A) and (B) and remove the base.
To attach:
5Insert the connector cords between the base and
arm. Make sure that the cords should not be
caught between the arm and base unit when
attaching it, then tighten Screws (4 pieces) temporarily.
6Attach the extension table.
7Match the extension table, base and free arm
position and tighten Screw (B).
8 Tighten the rest of Screws (A).
9 Insert the connector tothe printed circuit
board S1 from below the releasing arm .
10 Attach the belt cover.
q
w
qw
(A) (A)
(A) (B)
e
e

5
9500
(A)
(B)
(C)
(D)
Changing External Parts (5)
To remove:
1Open the face cover and remove the top cover, belt
cover and extension table.
2Loosen Screw (A) and remove the arm thread guide
(rear) .
3Loosen Screw(B).
4Loosen Screw (C) and remove (D).
5Disconnect the each connector and remove the front
cover.
Note: Unlock the hooks while removing the front
cover.
To attach:
6Follow the above procedure in reverse.
Front cover
q
q
w
w

6
9500
(A)
(B)
(C)
(D)
Changing External Parts (6)
1 Remove the face cover, top cover and belt cover.
2Loosen Screws (A), (B), (C) and remove Screw (D)
and remove the rear cover.
Note: Lower the presser foot.
To attach:
3Follow the above procedure in reverse.
Rear cover
To remove:

7
9500
(A)
(B)
ChangingThreadTension Unit
To remove:
1 Remove the front cover.
2.Lowerthepresserfootlifter.
3 Remove Screws (A), (B).
4 Pull the connector out from the “U”board and remove
the thread tension unit.
To attach:
3 Follow the above procedure in reverse.
Note: After changing the thread tension, check the
tension release mechanism. (See page 26)