Adjusting The Stop Position Of The Needle; Adjusting The Thread Trimmer - JUKI LZ-2290A Instruction Manual

8-10. Adjusting the stop position of the needle

A

8-11. Adjusting the thread trimmer

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1
2
102
B
C
D
B
A
1
1
2
(1) Stop position of the needle after thread trimming
1) The needle stops at the standard stop position when
marker dot A engraved on the handwheel cover is
aligned with white marker dot B engraved on the
handwheel.
2) Stop the needle at the highest position of its stroke,
loosen screw 1, and adjust the stop position of the
needle by moving screw 1 within the slot.
1 Move the screw in the direction C to advance
the timing to make the needle stop.
1
2 Move the screw in the direction D to retard the
timing to make the needle stop.
Cau tion
(2) The lowest stop position of the needle
When you return the pedal to its neutral position after
having depressed the front part of it, the needle stops
at the lowest stop position. As in the case of the
adjustment of the highest stop position of the needle,
stop the needle 1 in the lowest position of its stroke,
loosen the screw 2 , and adjust the lowest stop
position of the needle by moving the screw 2 within
2
the slot. Move the screw in the direction A to advance
the timing to make the needle stop or in the direction
B to retard it.
Cau tion
( 1) Initial position of the moving knife
When the moving knife is in its initial position, the moving
knife pin 1 should be aligned with the engraved marker
dot 2 as shown in the figure on the left.
Cau tion
Do not operate the sewing machine
with screw 1 loosened.
Loosen the screw only, and do not
removed it.
Do not adjust screw 2.
It has been factory-adjusted at the
time of delivery and needle sway
will be caused if it is adjusted.
When the gauge size which is more
than that delivered as standard or
t h e g a u g e s i z e o f o t h e r
manufactures is used, and the
counter knife interferes with the
feed dog, loosen nut 3, move the
initial position of moving knife pin
1 to the left from engraved maker
dot 2 by approximately one half
of engraved marker dot 2 and fix
the pin.