Brother HS-3000, Руководство по обслуживанию

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Adjustment Needle threader
1. Attach the size 75/11 needle.
2. Turn the pulley by hand and move the needle to its highest point.
3. Loosen the socket set screw (FT, M4 x 4) of the needle thread block.
4. Loosen the socket screw (FT, M4 x 4), then move needle thread block up and down and adjust the clearance
between the upper edge of hook and the upper edge of needle eye is 0mm. After that, tighten the socket set screw
(FT, M4 x 4).
*Key point
• Tighten the socket set screw (FT, M4 x 4) at the position slightly to the left when viewed from the front of the
machine. (Fig. 2)
NOTE
• In case the position of the socket set screw (FT, M4 x 4) is too left, the hook doesn't turn. (Fig. 1)
• In case the position of the socket set screw (FT, M4 x 4) is too right, the needle thread block contacts the
needle bar supporter assy., and get damaged. (Fig. 3)
Socket set screw
(FT, M4 x 4)
Needle thread block
Needle
Upper edge of
needle eye
Upper edge
of hook
0mm
NG NG OK
NG NG OK
Fig. 1 Fig. 3 Fig. 2
Hook