– 100 –
❷
❸
3), 4)
2)
Standard position
1)
(2) LZ-2290A*U
1) To adjust the height and inclination of the feed
dog, loosen the screws
❶
and turn the feed
driving link pins
❷
and
❸
using a screwdriver as
shown in the gure.
2) The standard inclination of the feed dog is obtained
by adjusting so that the engraved dot of feed driving
link pin
❷
faces at 9 o’clock and the engraved dot of
feed driving link pin
❸
faces at 9 o’clock.
3) The standard height of the feed dog is 1.4 mm.
4) Mainly adjust feed driving link pin
❸
to adjust the
uneven material feeding. The uneven material
feeding can be corrected by adjusting the inclining
angle θ of the feed dog.
5) A spacer is inserted between the throat plate and
the feed dog of the sewing machine with thread
trimmer only.
❸
1.4 mm
❸
❸
θ
θ
θ
❷
❸
1
1) Turn ON the power. When the needle bar is not in the UP position, turn the handwheel to bring the needle
bar to its UP position.
2) Press switch
❶
for approximately three seconds to display the information screen.
8-6. Hook adjusting mode
When the hook adjusting mode is set, it is possible to adjust the hook by turning the hand-
wheel.
❶
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