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23
VE2700-8
Fig. 6-1
Fig. 6-2
6.
Adjustments
①
②
③
T
L
④
⑤
⑥
⑦
⑧
Fig. 6-3
Before performing this work, ALWAYS turn the power switch OFF and check that the motor has already
stopped.
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6.1 Needle thread tension
Needle thread take-up
How to adjust
(1) Loosen the screws ②③.
● To tighten the needle thread tension, move the nee
-
dle thread take-up ① to the direction
T
.
● To loosen the needle thread tension, move the nee
-
dle thread take-up ① to the direction
L
.
(2) Tighten the screws ②③ securely.
As standard, make the distance between the needle thread
take-up ① and the center of the left screw ② to 34.5
mm, and set the part
a
horizontally when the needle bar is
at the lowest point.
Needle thread eyelet
When above adjustment is not
enough or to adjust each
needle thread respectively, move the needle thread eyelets.
How to adjust
(1) Loosen the screws ⑤.
● To tighten the needle thread tension, move the nee
-
dle thread eyelets
④
to the direction
T
.
● To loosen the needle thread tension, move the nee
-
dle thread eyelets
④
to the direction
L
.
(2) Tighten the screws ⑤ securely.
The standard distance between the needle thread eyelet
holder ⑥ and the eye of each needle thread eyelet ④ is
shown below.
Left needle: 25 mm
Middle needle: 17.5 mm
Right needle: 10 mm
How to adjust all needle thread eyelets together
(1) Loosen the screw ⑦.
● To tighten the needle thread tension, move the SP
device
⑧
to the direction
T
.
● To loosen the needle thread tension, move the SP
device
⑧
to the direction
L
.
(2) Tighten the screw ⑦ securely.
As standard, set the SP device at the highest point.
34.5 ㎜
a
25㎜
17.5㎜
10㎜
T
L
T
L