Brother BES-962BC - Manual (Page 237)

Chapter 10 Adjustment
BES-962BC • BES-1262BC 235
1. Turn the pulley B
q
until the scale of pulley B
q
indicates 180˚ (where the pulley B indication
mark " " and the stop mark " " are aligned) and the needle bar is set at the lowest position.
2. Insert the positioning bar
w
into the hole of the pulley B
q
and fix the drive shaft.
Note) Turn the pulley B securely in the clockwise direction.
3. Insert the bottom dead center gauge
e
into the rotary hook
r
.
4. Loosen the screw
y
of the needle bar clamp
t
and Socket head bolt for top dead center
stopper
o
, then move the needle bar up and down until the needle tip touches the gauge
e
lightly.
Note) • The needle point should touch the gauge at a place other than the cutting section.
• The bottom dead center gauge should be set in or removed from the rotary hook with its cutting section
facing upward.
5. Tighten the screw
y
of the needle bar clamp
t
securely.
6. After adjustment is finished, remove the positioning bar
w
.
7. Set the needle bar at the highest position (where the pulley B indication mark " " and the
cover indication mark " " are aligned). Lightly press the top dead center stopper
u
toward
the cushion rubber
i
, and tighten Socket head bolt for top dead center stopper
o
while
pressing down the needle bar clamp so that it faces the front. (Tightening torque: 0.78 N.m)
Note) • Make sure that the top dead center stopper u does not hit the needle bar guide rail !0 at this time.