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Chapter 10 Adjustment
BES-962BC • BES-1262BC
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w
e
2mm
2mm
r
0.3~0.5mm
3.
Adjustment of Clearance Between Needle and Rotary Hook
1. Turn the power switch off.
2. Select the needle bar No. 1 q.
The illustration at the left shows the case of BES-
962BC. For BES-1262BC, the No. 12 needle becomes
needle bar No. 9.
3. Remove two flat screws w and dismount
the needle plate e.
4. Turn the pulley B until the pulley indication
mark "
" and the stop mark "NH " are
aligned.
5. Turn the rotary hook r manually so that
the rotary hook point is aligned properly.
6. Loosen the set screw y on the side of the
bed t.
7. Turn the eccentric screw u on the left side of
the bed t using a regular screwdriver and
adjust a clearance between the needle and the
rotary shaft to 0.3 ~ 0.5 mm.
8. Adjust the clearance between the needle
and the rotary hook's point to 0.3 ~ 0.5 mm
at the needle bar No. 9 i (No. 12 needle for
BES-1262BC).
Note) If the clearance between the needle and the
rotary hook point is not within the range of
0.3 ~ 0.5 mm, adjust again as described in the
step r until the needle bar No. 1 or No. 9 (No.
12 for BES-1262BC) whichever has the small-
est clearance may not be interfered by the
rotary hook point.
u
y
i
q
t