Brother International BAS-761 Instruction Manual - English - Page 16

Correct operation, 5-1. Installing the needle, 5-2. Upper threading

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5. Correct operation 5. Correct operation 5-1. Installing the needle w q Fully insert needle q, with its long groove to the left, and secure it with screw w. Note: If the angle is incorrect, the needle an rotary hook will lock when the needle bar is at its lowest position, so make sure that the needle and rotary hook do not lock. 5-2. Upper threading 1. Apply air pressure and turn on power switch. 2. Press the FOLDER RESET button !9 to move the machine head back to the home position. 3. Press FOOT button !1 and lower presser foot w. 4. Pass the upper thread as illustrated below. After threading, be sure to press FOOT button !1 and lift presser foot w. 5. After threading, turn the pulley and lift the needle-bar to the uppermost position. !9 !1 6 7 N/thread cooler assy s x2.4 rotary hook 11 13 9 10 9 10 14 s x1.7 rotary hook 9 s x2.4 rotary hook 1 2 7 65 3 12 4 8 13 11 9 10 Leave about 50 mm of thread end with the thread take-up at its highest position. 50mm 14 15 16 w BAS-761 11 9 10 s x1.7 rotary hook

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9
BAS-761
5. Correct operation
5. Correct operation
5-1. Installing the needle
Fully insert needle
q
, with its long groove to the left,
and secure it with screw
w
.
Note:
If the angle is incorrect, the needle an rotary hook
will lock when the needle bar is at its lowest posi-
tion, so make sure that the needle and rotary hook
do not lock.
5-2. Upper threading
1.
Apply air pressure and turn on power switch.
2.
Press the FOLDER RESET button
!9
to move the machine head back to the home position.
3.
Press FOOT button
!1
and lower presser foot
w
.
4.
Pass the upper thread as illustrated below. After threading, be sure to press FOOT button
!
1
and lift presser foot
w
.
5.
After threading, turn the pulley and lift the needle-bar to the uppermost position.
q
w
!
9
!
1
w
50mm
Leave about 50 mm of
thread end with the
thread take-up at its
highest position.
■
x2.4 rotary hook
■
x2.4 rotary hook
10
9
10
9
11
13
14
■
x1.7 rotary hook
11
9
10
1
2
3
5
6
7
8
9
12
13
14
15
16
10
4
11
7
6
■
x1.7 rotary hook
N/thread
cooler assy