Astralux 9300A Istruzioni operative

REPAIR MANUAL
MODEL 9300A 9300A2
REPAIR MANUAL

ATTENTION
Be sure to observe the following, as they may well become causes for fire,
electric-shock, injuries, and damage to parts.
- Be sure to unplug power source before engaged in disassembly, installation,
adjustment.
- In case of installing please pay special care to clamp electrical cords, etc., scars
to sheath, mis-circuit, etc.
- Be sure to use regular standard part in replacing.
CONTENTS
1. Products specification
2. Out look
3. Names of principal parts
5. Removing methods of external parts
6. Adjusting methods of each part
.............................................................................................2
.....................................................................................................................3
..........................................................................................4
5.1 Face plate..........................................................................................................6
5.2 Arm top cover ....................................................................................................6
5.3 Sewing table complete ......................................................................................6
5.4 Cord reel cover ..................................................................................................6
5.5 Belt cover...........................................................................................................7
5.6 Free arm cover ..................................................................................................7
5.7 Free arm foot bush ............................................................................................7
5.8 Front cover .....................................................................................................7-8
5.9 Back cover.........................................................................................................9
6
6
4. Names of electronic parts
7. Trouble shooting of electrical parts
8. Circuit diagram
........................................................................................5
.1 Symbol instructions .........................................................................................10
.2 Play of arm shaft..............................................................................................11
6.3 Drop middle point of needle.............................................................................11
6.4 Height of presser foot ......................................................................................12
6.5 Needle flow at maximum zigzag width ............................................................13
6.6 Drop middle point of needle.............................................................................14
6.7 Needle position of zigzag ................................................................................15
6.8 Automatic needle threader adjustment............................................................16
6.9 Adjustment of feed rock shaft and feed lifting rock cam ..................................17
6.10 Height of needle bar ........................................................................................18
6.11 Timing of needle and hook ..............................................................................19
6.12 Distance-needle-hook......................................................................................20
6.13 Play between shuttle driver shaft gear and lower shaft gear...........................21
6.14 Play of shuttle driver shaft ...............................................................................22
6.15 Feed-dog height ..............................................................................................23
6.16 Position of feed-dog in relation to the needle plate (left to right) .....................24
6.17 Upper thread tension adjustment ....................................................................25
6.18 Shuttle hook tension adjustment .....................................................................26
6.19 Motor belt tension ............................................................................................27
6.20 Drop point of needle ........................................................................................28
6.21 Adjustment of BH.............................................................................................29
6.22 Bobbin winding problem ..................................................................................30
6.23 Replace the fuse..............................................................................................31
.................................................................32-35
..................................................................................................36-41
1

1. Products specification
2
Machine style
Hook system
Size of machine (mm)LxWxH
Weight (kg)
Power
Revolution per minute (R.P.M)
Needle
Max. forward feeding
Max. reverse feeding
Max stitch width
Electricity consuming
Thread take up lever
Exchange presser foot
Presser foot tension adjustment settlement
Needle plate
Handle
Spool rod
Thread cutting settlement
Needle settlement
Bobbin Winder
Upper thread threader
Sewing table
Patterns
Button hole system
Dial tension settlement
Presser foot lift settlement
Feed dog up-down change
Feed dog
Slowest speed
Slide volume
Auto stop
Motor
Accessory placement
Free arm
Drop-in Bobbin
407 x 175 x 290
8.5 (only machine)
Straight Stitch 70-800RPM
Button Hole 70-600RPM
Normal Stitch 70-700RPM
Bobbin Winder 70-800RPM
Reverse Stitch 70-800RPM
Lowest Speed 70RPM
HAX1 #9-#16
4.5mm
3.5mm
7mm
Lamp 12V 5W
Slit type
Fixed type
Transparent window
Handle type
Horizontal style
Inclusive within face plate
Single direction availability
Self releasing with automatic stop
Automatic upper thread threader
Accessory placement
Practical usage 40 kinds
One step button hole lever
Standard settlement
2 steps
Yes, lever controlling in the base
6 gears
Yes. (Both forward and backward)
Feedback function
Self stopping while bobbin windering
Motor overload settlement
Inside of sewing table
AC 120V/60Hz (U.S.A) 230V/50Hz (Eur.)
Touch controlling
TYPE
ITEM 9300A 9300A2

2. Out look
3
Model 9300A
Model 9300A2
910
11
12 13 14 15 16
12348
57
6
17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40

1. Tension dial
2. Bobbin thread guide
3. Upper thread guide
4. Thread take-up lever
5. Face plate
6. Needle up/down position button
7. Auto-lock button
8. Thread cutter
9. Reverse button
10.Buttonhole lever
11. Auto needle threader
12.Needle plate
13.Sewing table and accessory box
14.Speed limiting adjustment lever
15.Bobbin winder
16.LCD (Liquid crystal display)
17.Function of buttons
18. Stitch selection buttons
19. Handwheel
20.Main power switch
21. Foot controller connector
22-A.
22-B.
23.Hole for second spool pin
24. Handle
25.Horizontal spool
pin
26. Drop feed lever
27.Presser foot lifter
Japanese version (automatic
rewinding)
European version
USA version
3. Names of principal parts
4
19
20
21
23
24
26
27
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
910
11
12 13 14 15 16
12348
57
6
17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40
16 (A)
17 (B)
18 (C)
Model
9300A Model
9300A2
22-A 22-B
Eur. U.S.A

5
1.
2-A.
2-B.
3-A.
3-B.
3-C.
4.
5. LCD panel
6. Keyboard
7. Transformer
8. DC motor
9. Foot controller connector
10-A.
10-B.
11.
12. Lamp
13.
Slide volume
Pulse motor (zigzag)
Photo sensor complete (zigzag)
Photo sensor complete
(needle position)
Photo sensor complete (needle flow)
Photo sensor complete (speed)
Bobbin winder micro switch
Pulse motor (stitch length)
Photo sensor complete
(stitch length)
Up & down fixed position switch
Photo sensor complete (B/H)
: Set on the front cover
4. lectronic partsNames of e
1
13
12
9
5
6
7
8
4
10
B
A
3B
A
C
2
11
B
A
910
11
12 13 141516
12348
57
6
17 18 1920 2122 23 24
25 26 27 28 2930 31 32
33 34 35 36 373839 40
9300A
9300A2

5-4 Cord reel cover
- Lay down machine. Remove 1 cushion
rubbers (d).
- Remove 4 screws (e, f, g, h). (4)
- Remove cord reel cover.
e
f
g
d
Cord reel cover
4
Sewing table complete
3
5-1 Face plate
Remove screw (a) and remove the face plate.
(1)
5-2 Arm top cover
Remove 2 screws (b, c) and remove the arm
top cover. (2)
5-3 Sewing table complete
Keep the snap-in sewing table horizontal, and
pull it in the direction of the arrow. (3)
5. Removing methods of external parts
a
Face plate
6
1
bc
Arm top cover
2
h

p
Back cover
8
l
Free arm foot bush
7
j
Free arm cover
6
iBelt cover
5
5-5 Belt cover
- Remove screw (i) and remove belt cover. (5)
5-6 Free arm cover
Remove 2 screws (j, k) and remove the free
arm cover. (6)
5-7 Free arm foot bush
Remove 4 screws (l, m, n, o) and remove the
free arm foot bush. (7)
7
5-8 Front cover
- Remove face plate, arm top cover, sewing
box complete, cord reel cover, belt cover, and
free arm cover and free arm foot bush first.
- Lift handle and remove 2 screws (p, q). (8)
k
m
no
q

- Remove front cover following direction of
arrow. (12)
Attention:
Be sure to remove the front cover carefully,
because the leader wire and the body are
connected together.
Front cover
- Loosen screw (s) about 3mm. (10)
First using electric torch (flash light) etc to
locate screw (s) position which deeply inside
the machine.
Note 1:
s
10
9
r
- Loosen screw (r) about 3mm. (9)
8
- Remove screw (t). (11)
s
t
11
12

9
5-9 Back cover
- Remove front cover first.
- Remove 2 screws (u, v). (13)
Back cover
- Loosen screw (w) about 3mm. (14)
w
- Remove screw (x).
- Loosen screw (y) about 3mm.
- Remove the back cover. (15)
13
uv
x
y
14
15
Questo manuale è adatto per i seguenti modelli
1
Indice

















