Adjustment Of Clearance Between Needle And Rotary Hook - Brother BES-1260BC Instruction Manual

3. Adjustment of Clearance Between Needle and Rotary Hook

o
w
e
r
2mm
t
2mm
i
0.3~0.5mm
q
u
BES-960BC BES-1260BC
1. Turn the power switch off.
2. Select the needle bar No. 1 q.
The illustration at the left shows the case of BES-
960BC. For BES-1260BC, the No. 12 needle becomes
9.
3. Remove two flat screws w and dismount
the needle plate e.
4. Adjust the needle r and the rotary hook's
t point so that they can put together at 2
mm above the needle bar lowest point
(180˚) where the pulley indication mark " "
and the stop mark "NH " are aligned.
5. Turn the rotary hook manually so that the
point comes upward.
6. Loosen the set screw u on the side of the
bed y.
7. Turn the eccentric screw i on the left side of
the bed y using a regular screwdriver and
adjust a clearance between the needle and the
rotary shaft to 0.3 ~ 0.5 mm.
Note) Check that the needle bar height is 2 mm at
this time.
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 o (No. 12 needle for
BES-1260BC).
Note) If the clearance between the needle and the
rotary hook's point is not within the range of
0.3 ~ 0.5 mm, adjust again as described in step
r until the clearance between the needle bar
No. 1 or No. 9 (No. 12 for BES-1260BC) and
the rotary hook's point becomes within 0.3 ~
0.5 mm.
Chapter 10 Standard Adjustment
221