Brother International LK3-B430 Support Question
Brother International LK3-B430 Support Question
Find answers below for this question about Brother International LK3-B430.Need a Brother International LK3-B430 manual? We have 2 online manuals for this item!
Question posted by Frizschulz on April 26th, 2014
Why Is My Machine Lk3 B430-2 Is In Continus Sikle How Can I Vorrect It
The person who posted this question about this Brother International product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Brother International LK3-B430 Manual Pages
Service Manual - Page 1
SERVICE MANUAL FOR
BROTHER MODEL LK3-B430
.k.A"
c.o.% -ow G•
es
a
•
BROTHER INDUSTRIES, LTD. NAGOYA, JAPAN
Service Manual - Page 3
...
Tack width
1 - 2 (3)
Needle
DP x 5 #16
Presser foot stroke
Sewing speed 1
7 - 20 1- 3 DPx 17 #19
17 mm 2.000 rpm
6.5 - 16
4 - 10
1- 2 (3)
DP x 5 #16
Sub-class Main uses Decorative
Stitching
Number of the LK3-6430 type high speed bar tacking machine. O1
' ! i
Denim
9,2:1( ( ;_.L ., r
Knitted clothes
.
1 i t t I .{ I , i i i. t t't t t i 'I i i 1
-3
Denim
' /!'i iiiil
.tiii...
Service Manual - Page 4
Start the machine, and measure as shown above .
Thread take-up lever. Measure distance from thread take-up
spring to...-7 • -9 For knitted clothes
110 - 150 15 - 25 6- 8 20 - 40 1 - 2
Lower thread tension
Thread take-up lever stroke
Start the machine and measure distance from lever position when machine is lower to thread take-up spring tension
Measure as shown above .
Service Manual - Page 6
... feed cam roller® is released from a
that roller at high speed.
4.
This makes the machine sew up on the of feed came so
high speed part © of clutch connecting rod 0 is fixed...toclutchactuatinglever
to fall on the low
®. speed part 0 of clutch cam This makes the machine sew 2 stitches at
e. (Stop
When
Lever) stop lver
(1)
is released from the start lever ...
Service Manual - Page 10
... cam part O: and when the stop cam reaches 90°
® ®. When the machine is started , tension release pin 0 is at the cam part 0; 6' THREAD TENSION AND TENSION... Mechanism The thread tension mechanism is interlocked with the clutch mechanism. before the stop position upon sewing the final stitch, tension release lever which is fixed to guide bearing thereby feeding the necessary ...
Service Manual - Page 11
and remove the cover. 3. Q 7. drive leveret there. Return the machine head. 10. Needle bar thread guide 0
0. and then needle bar
...and remove shuttle race tinge. C
O- Feed plate 0
Remove feed plate 0 by hand until the bolt comes to the adjusting hole O.
Raise the machine head. and then bed cover R 0. Remove screw 0. r - \N\
O
1.< 1 1
---
` •
1 ai .' -- Face plate ...
Service Manual - Page 12
...-up lever
Remove two screws Q and 0, and then thread
take -up lever Q, ®. loosen screw ID, and remove
needle bar crank 0. Power pulley With the machine at the stop ring and washer 0, and then
®, • power cam together with slide block 0.
0
2.
Thread take -up lever
and remove
00
0-
• 4D...
Service Manual - Page 13
Loosen screw Q. Lower the machine head to the spring hook.
5.
Clutch actuating lever 0 Remove nut (r) and screw
and then clutch
actuating lever 0.... 0. Clutch spring
Disengage only the end of clutch spring 0 which
is
at left as viewed from the rear of the machine.
0. 9.
and pull out with washer It can
easily be removed if the pulley turning crank rod is hooked to the...
Service Manual - Page 14
... then pulley assembly 0. Thread trimming arm B 0 Pull it upward of the knife cam. 2. Knife cam lever 0
(1) Loosen screw 0. knife cam lever shaft 4D. Lower the machine head to the level position. 6. and remove stud 0. (2) Remove oil cap 0, loosen screw 0, pull out
0. THREAD TRIMMER I. While turning the pulley, operate the emergency
sotp...
Service Manual - Page 15
... until knife cam lever claw m gets into the keyway. (2) Install clutch plate 0 in such a way that the keyway is in the arrow direction. Return the machine head onto the oil pan. 2. Knife cam lever 0
I . and temporarily tighten screw 0.
(3) Put oil cap 0 on the periphery of knife cam lever 0. 4. Pulley assembly 0 ( I . and...
Service Manual - Page 16
slide
thread trimming arm A onto the lower end of connecting rod 0. and temporarily
0
tighten it with washers 0.
0. 0. Raise the machine head. 6. and tighten two
® each screws and CI. El CLUTCH AND BRAKE
I. Install clutch lever assembly 0 with two spring wahsers O and bolts 0.
3. Ball presser ...
Service Manual - Page 17
...; can easily be installed if the crank rod is
no play in line with clutch cam lever rollers on the
e low speed part of the machine by turning the pulley.
6. lever roller to 6 = 0.5 mm. 5. Clutch actuating lever 0
e Insert it into the arm. Check that there is shifted to clutch
connecting rod...
Service Manual - Page 18
..., and tightenit with the stop cam (stop rings and Q on. (4) Hook drive lever spring a) to the pin on the periphery of the bed. Raise the machine head. 2.
Tack length feed lever 0 (I . Power cam 0 ( I) Fit washer 0 onto the drive lever shaft. (2) Fit washer 0, spring 0 and washer 0 onto the power pulley shaft. (3) Fit...
Service Manual - Page 20
... bar up or down so that the lower end of needle bar bushing
* If a DP X 17 needle is used . adjust it with screw S.
- -
(3) Raise the machine head. 6. fit the driver onto the lower shaft, and install the shuttle hook.
0 (4) Turn the pulley so that the top 0. fit needle bar thread
guide...
Service Manual - Page 22
... TENSIONS
©. M MOVABLE KNIFE POSITIONING
I . In this condition. and turn stud Q so that the main tension discs will make a clearance of 0.5 to 1.0 mm at the machine stop position (with the work clamp down), knife cam lever claw
drops one step further.
Sub-tension Loosen screw
and move tension release bar plate...
Service Manual - Page 28
..., and make
sure that stopper 0 contacts stop cam 90° before the machine stop position.
*The timing advances as the clutch cam is locked and low speed pulley m this adjustment, run ...the machine at high speed,
turned by turning adjusting screw S. when After
the stop cam is turned in the ...
Service Manual - Page 29
... power cam is depressed two steps. Brake adjustment
Loosen screw 4) and turn brake actuating pin so
® that . %%hen the treadle is 3 mm at the machine stop position. Start stopper position adjustment Loosen two bolts and move start safe lever 6) up or do%%n so that . when stop cam Q reaches 90°...
Service Manual - Page 30
... reconnect clutch lever spring to the second position of the standard specifications, the stop position upon sewing the last stitch due to reduce the
brake spring pressure. unhook brake spring 0, and turn.... Brake spring pressure adjustment If a very heavy material is sewn with the machine of the clutch lever spring hook.
10. Second position
Decrease Increase
C
-30 - In such a case. 9.
Service Manual - Page 32
... 90° and I35° (until.it meets the mark© of the shuttle race ring) upon sewing the final stitch.
*The timing advances as the knife cam is turned little by little in the rotating direction...of the needle plate.
-r
(2) When the power pulley is turned in the rotating direction at the machine stop position (with the work clamp down), knife cam lever claw 0 drops one step further.
Instruction Manual - Page 5
LK3-B43O / 1:=1 MADE IN JAPAN
ir Sub-class
Main uses
Decorative stitching
Number of stitches Tack length
Tack width
Needle Presser foot stroke Sewing...17 #19
DP x 5 #9
DP x 5 #16
DP x 5 #9
17 mm
2,000 rpm
* The maximum possible bar tack length and width for this machine are given above.
- 1 - IS 11 r
'
• ^1 .
28
-8
Ordinary clothes
1, 7 7 if.
si .10
-7
Knitted clothes
2/ &#...
Similar Questions
La Máquina De Hacer Presillas No Me Corta El Hilo.
La máquina de presillas no me corta el hilo.,
La máquina de presillas no me corta el hilo.,
(Posted by info42861 2 years ago)
What Steps To Take To Make Machine Sew?
machine will not sew E-1 is blanking in window
machine will not sew E-1 is blanking in window
(Posted by anniescreation 8 years ago)
Brother Lk3-b430 It Is Not Switching To High Speed To Operate Properly
(Posted by nelhera141 10 years ago)
Spare Parts
i have a sewing machine number LK3-B430-2, and the power pulley assembly is damaged. the serial numb...
i have a sewing machine number LK3-B430-2, and the power pulley assembly is damaged. the serial numb...
(Posted by michelelhajj 10 years ago)
Brother Ls 2000 Sewing Machine Price
I Want To Know Above Sewing Machine Price In Indian Rupees,please Anser Me Imediately
I Want To Know Above Sewing Machine Price In Indian Rupees,please Anser Me Imediately
(Posted by iladave84503 10 years ago)