Brother International BAS-705 Instruction Manual - English - Page 32

Adjusting the thread tension spring, 08-1.96N, Weaker, Stronger

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4. SEWING 4-5-4. Adjusting the thread tension spring q w r e 6-10mm ɾ Operating range of thread take-up spring The standard operating range for thread take-up spring Lq and thread take-up spring R w is 6 - 10 mmfor both springs. Thread take-up spring L q 1. Loosen the left and right screws e, and then turn the left and right thread take-up spring stoppers r to adjust the operating range. NOTE: The screws e and the thread take-up spring stoppers are integrated. 2. Tighten the screws. Thread take-up spring R q 1. Loosen the screw r and then move the thread take- up spring stopper left or right to adjust. 2. After adjusting, tighten the screw r. q e y w 1.08-1.96N u r t Stronger Weaker r ɾThread take-up spring tension The standard tension for thread take-up spring L q and thread take-up spring R w is 1.08-1.96 N(110gf200gf) for both sprnings. NOTE: The thread take-up spring tension is the tension which is applied by the thread take-up spring when it is horizontal to the lower end of the arm thread hook. Weaker Stronger 1. Loosen the set screw e. 2. Loosen the knob r, and then turn the thread tension stud t to adjust the tension. 3. Tighten the set screw e, and then tighten the knob r. 1 Loosen the set screw y. 2. Loosen the knob r, and then turn the thread tension stud u to adjust the tension. 3. Tighten the set screw y, and then tighten the knob r. ʕ 29 ʕ B A S -705

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4. SEWING
4-5-4. Adjusting the thread tension spring
Operating range of thread take-up spring
The standard operating range for thread take-up
spring L
q
and thread take-up spring R
w
is 6 - 10
mmfor both springs.
<
Thread take-up spring L
q
>
1.
Loosen the left and right screws e, and then turn the
left and right thread take-up spring stoppers r to
adjust the operating range.
NOTE:
The screws
e
and the thread take-up spring
stoppers are integrated.
2.
Tighten the screws.
<
Thread take-up spring R
q
>
1.
Loosen the screw
r
and then move the thread take-
up spring stopper left or right to adjust.
2.
After adjusting, tighten the screw
r
.
Thread take-up spring tension
The standard tension for thread take-up spring L
q
and thread take-up spring R
w
is 1.08-1.96 N(110gf-
200gf) for both sprnings.
NOTE:
The thread take-up spring tension is the ten-
sion which is applied by the thread take-up
spring when it is horizontal to the lower end of
the arm thread hook.
<Thread take-up spring L
q
>
1.
Loosen the set screw
e
.
2.
Loosen the knob
r
, and then turn the thread tension
stud
t
to adjust the tension.
3.
Tighten the set screw
e
, and then tighten the knob
r
.
<Thread take-up spring R
w
>
1
Loosen the set screw
y
.
2.
Loosen the knob
r
, and then turn the thread tension
stud
u
to adjust the tension.
3.
Tighten the set screw
y
, and then tighten the knob
r
.
29
BAS-705
q
w
e
t
r
u
r
y
1.08-1.96N
Weaker
Stronger
Stronger
Weaker
q
w
r
e
6-10mm