Brother International LK3-B431 MKII Instruction Manual - Page 7

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CONTENTS 1. NAME OF EACH PART 2. SPECIFICATIONS 2-1. Specifications 2-2. Program list 3. INSTALLATION 3-1. Power table 3-2. Installing the motor 3-3. Installing the motor pulley 3-4. Installing the control box 3-5. Installing the rubber cushions 3-6. Installing the oil pan 3-7. Installing the cushions 3-8. Installing the machine head 3-9. Installing the head rest 3-10. Installing the liquid cooling tank, optional 3-11. Installing the operation panel 3-12. Connecting the ground wire 3-13. Connecting the cords 3-14. Installing the V-belt 3-15. Installing the belt cover 3-16. Installing the foot switch 3-17. Installing the motor cover 3-18. Installing the spool stand 3-19. Installing the eye guard 4. LUBRICATION 4-1. Lubrication points 5. OPERATION 5-1. Name and function of each operation panel item 5-2. Operating procedure 6. CHECKING THE SEWING PATTERN 7. CORRECT USE 7-1. Selecting the needle and thread 7-2. Installing the needle 7-3. Threading the upper thread 7-4. Winding the lower thread 7-5. Replacing the bobbin case and threading the thread 7-6. Sewing conditions and thread tension 8. SEWING 9. MAINTENANCE AND INSPECTION 9-1. Cleaning the rotary hook 9-2. Lubrication 9-3. Draining the oil 1 9-4. Cleaning the control box air inlet port 31 2 9-5. Cleaning the eye guard 31 2 9-6. Checking the needle 31 3 10.STANDARD ADJUSTMENTS 32 7 10-1. Adjusting the needle bar height 32 7 10-2. Adjusting the needle bar lift amount 32 9 10-3. Adjusting the driver needle guard 33 9 10-4. Adjusting the needle clearance 33 10 10-5. Adjusting the shuttle race thread 11 guide 33 11 10-6. Adjusting the thread take-up 11 amount 34 12 10-7. Adjusting the movable knife 34 12 10-8. Adjusting the work clamp lift amount 36 12 10-9. Work clamp pressure adjustment 37 13 10-10.Work clamp closing-distance 13 adjustment 38 14 10-11.Work clamp interchangeability 38 15 10-12.Adjusting the needle up stop position 39 16 10-13.Adjusting the thread wiper 39 16 10-14.Checking the input sensor and 17 DIP switch input 40 17 10-15.Checking the input voltage 41 17 10-16.Clearing all memory settings 41 10-17.Moving stitch patterns 42 18 18 11.USING THE COUNTERS 43 11-1. Using the bobbin thread counter 43 19 11-2. Using the production counter 43 19 12.CHANGING FUNCTIONS USING 21 THE DIP SWITCHES 44 12-1. Operation panel DIP switches 44 22 12-2. Setting the presser mode 44 23 12-3. DIP switches inside the control box 45 23 12-4. Using user programs 46 23 23 13.CHANGING SPECIAL FUNCTIONS 24 USING THE MEMORY SWITCHES 48 13-1. Using the cycle sewing function 50 25 14.TABLE OF ERROR CODES 52 25 15.GAUGE PARTS LIST ACCORDING 28 TO SUBCLASSES 54 29 16.TROUBLESHOOTING 62 29 30 17.OPTIONAL PARTS 65 31 LK3-8430E-, B431E-, 8432E-, 8433E- Mark II

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CONTENTS
1.
NAME
OF
EACH
PART
2.
SPECIFICATIONS
2-1.
Specifications
2-2.
Program
list
1
2
2
3
9-4.
Cleaning
the
control
box
air
inlet
port
9-5.
Cleaning
the
eye
guard
9-6.
Checking
the
needle
10.STANDARD
ADJUSTMENTS
31
31
31
32
3.
INSTALLATION
7
10-1.
Adjusting
the
needle
bar
height
32
3-1.
Power
table
7
10-2.
Adjusting
the
needle
bar
lift
3-2.
Installing
the
motor
9
amount
32
10-3.
Adjusting
the
driver
needle
guard
33
3-3.
Installing
the
motor
pulley
9
10-4.
Adjusting
the
needle
clearance
33
3-4.
Installing
the
control
box
10
10-5.
Adjusting
the
shuttle
race
thread
3-5.
Installing
the
rubber
cushions
11
guide
33
3-6.
Installing
the
oil
pan
11
10-6.
Adjusting
the
thread
take-up
3-7.
Installing
the
cushions
11
amount
34
3-8.
Installing
the
machine
head
12
10-7.
Adjusting
the
movable
knife
34
3-9.
Installing
the
head
rest
12
10-8.
Adjusting
the
work
clamp
lift
3-10.
Installing
the
liquid
cooling
tank,
optional
12
amount
10-9.
Work
clamp
pressure
adjustment
36
37
3-11.
Installing
the
operation
panel
13
10-10.Work
clamp
closing
-distance
3-12.
Connecting
the
ground
wire
13
adjustment
38
3-13.
Connecting
the
cords
14
10-11.Work
clamp
interchangeability
38
3-14.
Installing
the
V
-belt
15
10-12.Adjusting
the
needle
up
stop
position
39
3-15.
Installing
the
belt
cover
16
10-13.Adjusting
the
thread
wiper
39
3-16.
Installing
the
foot
switch
16
10-14.Checking
the
input
sensor
and
3-17.
Installing
the
motor
cover
17
DIP
switch
input
40
3-18.
Installing
the
spool
stand
17
10-15.Checking
the
input
voltage
41
3-19.
Installing
the
eye
guard
17
10-16.Clearing
all
memory
settings
41
10-17.Moving
stitch
patterns
42
4.
LUBRICATION
18
4-1.
Lubrication
points
18
11.USING
THE
COUNTERS
43
11-1.
Using
the
bobbin
thread
counter
43
5.
OPERATION
19
11-2.
Using
the
production
counter
43
5-1.
Name
and
function
of
each
operation
panel
item
19
12.CHANGING
FUNCTIONS
USING
5-2.
Operating
procedure
21
THE
DIP
SWITCHES
44
12-1.
Operation
panel
DIP
switches
44
6.
CHECKING
THE
SEWING
PATTERN
22
12-2.
Setting
the
presser
mode
44
7.
CORRECT
USE
23
12-3.
DIP
switches
inside
the
control
box
45
7-1.
Selecting
the
needle
and
thread
23
12-4.
Using
user
programs
46
7-2.
Installing
the
needle
23
7-3.
Threading
the
upper
thread
23
13.CHANGING
SPECIAL
FUNCTIONS
7-4.
Winding
the
lower
thread
24
USING
THE
MEMORY
SWITCHES
48
7-5.
Replacing
the
bobbin
case
and
13-1.
Using
the
cycle
sewing
function
50
threading
the
thread
25
7-6.
Sewing
conditions
and
thread
14.TABLE
OF
ERROR
CODES
52
tension
25
15.GAUGE
PARTS
LIST
ACCORDING
8.
SEWING
28
TO
SUBCLASSES
54
9.
MAINTENANCE
AND
INSPECTION
29
16.TROUBLESHOOTING
62
9-1.
Cleaning
the
rotary
hook
29
9-2.
Lubrication
30
17.OPTIONAL
PARTS
65
9-3.
Draining
the
oil
31
LK3-8430E-,
B431E-,
8432E-,
8433E-
Mark
II