Brother BES-1241BC, Instruction Manual

Page: 155 / 182

Chapter 8 Standard Adjustment
BES-941BC • BES-1241BC
153
1 2 3 4 5 6 7 8 9
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-
941BC. For BES-1241BC, the No. 12 needle becomes
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-1241BC).
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-1241BC) whichever has the small-
est clearance may not be interfered by the
rotary hook point.
u
y
i
q
t