Brother BES-116, Инструкция по эксплуатации

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Chapter 8 Adjustment
BES-116AC
129
1. Turn the pulley
q
until the scale of pulley
q
indicates 180
°
(where the pulley 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 in the side of the machine head and fix the upper
shaft.
Note) Turn the pulley 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
, 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 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.
Note) • Make sure that the top dead center stopper
u
does not hit the needle bar guide rail
!0
at this time.
• Remove the positioning bar
w
from the machine head after adjustment is finished.