Brother BAS-611 Owner's Manual | Page 16

Brother Misc Electronics Owner's Manual - BAS-611.
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10

LK3-B434E Mark II

Connection location

X, Y, Sewing sensor

Synchronizer

Machine specification 
select connector

Thread wiper solenoid*
Thread take-up solenoid
Presser solenoid
Thread trimmer solenoid

Pulse motor, Y

Pulse motor, X

Operation panel

Upper shaft motor

No. of pins

12-pin

5-pin

8-pin

5-pin

4-pin

4-pin (blue)

4-pin

26-pin

3-pin

Cord mark

z

x

c

v

b

n

m

None

None

Connection location on circuit board

P1 (ORG2)

P2 (SYNCHRO)

P3 (SELECT)

P4 (SOL2)

P5 (SOL)

P6 (YPM)

P7 (XPM)

P8 (PANEL)

P11 (UVW)

Machine head connectors

EMERGENCY STOP switch

Solenoid valve (for pneumatic)

6-pin

12-pin

⁄8

None

P18 (HEAD)

P14 (AIR)

w

q

!1

!0

r

P11

P7

P6

P5

P4

e

P3

P2

P1

P8

!3

!2

q

o

u

i

y

t

* Provided as an option for solenoid specifications.

3-13. Connecting the cords

1. Gently tilt back the machine head.

NOTE:

After tilting back the machine head, do not push the face side or the pulley side from above.

2. Pass the cords 

q through the hole w in the work table.

3. Gently return the machine head to its original position.
4. Remove the six screws 

e, and then open the control box cover (main P.C. board mounting plate r).

NOTE:

When opening the cover, hold it securely so that it does not fall down.

5. Loosen the two screws 

t, and then open the cord presser plate y in the direction of the white arrow and

pass the cords 

q through the opening.

6. Loosen the screw 

o, and then attach the ground cord u for the machine head and the ground cord i for

the operation panel as shown in the illustration.

7. Loosen the screw 

!1, and then attach the ground cord !0 for the upper shaft motor as shown in the illustra-

tion.

8. Securely connect connectors P1 to P8, P11, P14 (for pneumatic) and P18 as indicated in the table.

3. INSTALLATION

9. Secure the cords 

q with the cord clamps !2 and !3.

10. Close the cord presser plate 

y in the direction of the black arrow, and secure it by tightening the screws t.

NOTE:

Check that the cords do not get pulled when the machine head is tilted back gently.

P18

P14

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