Brother Innov-is NV4000D, Руководство по обслуживанию

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Adjustment
Adjustment
Shuttle adjustment
11. Loosen the 3 screws securing the shuttle, and position the shuttle as below.
2
Distance from top edge of needle hole to thread
: 0.3 mm ± 0.2 mm
3
Length that tip of hook on thread guide plate assembly protrudes from needle threader shaft (shaft that needle
thread hook is to be attached to) when viewed from side (right angle)
: 0 - 0.5 mm
12. Tighten the 3 screws to secure the shuttle.
13. Attach the thread guide hook.
NOTE
• As a result of the above adjustment, both ends of the thread are positioned behind the needle, resulting in the
thread curving at the needle as shown in the attached photo
4
(correct state).
• When positioned too far in front (curvature too small), the thread will be chipped or threading failure will
occur.
• When positioned too bar behind (the thread guide plate assembly contacts the needle thread hook),
threading failure will occur.
• Main PCB is likely to be damaged when tool touch the PCB attached THPM. When adjustment, turn the
power off surely.
Thread
Needle
2
Front
0.3 ± 0.2mm
Ø 4
Guide shaft
Thread guide
plate assy
3
Side
0.0 - 0.5mm
4