JUKI LH-3500A Series - Adjusting the Position of the Moving Knife

– 40 –
6-9. Adjusting the position of the moving knife
1) Loosen clamp screw
❹
in the rear of machine
bed and adjust so that the distances
B
and
C
between the top end of moving knife
❶
and the
center of needle
❸
at the time of waiting become
the dimensions as shown in the list below when
the feed pitch is minimum and needle
❸
is in the
lower dead point.
2) Set clearance
D
between moving knife
❶
and
protrusion
❺
of the inner hook to 0.3 ± 0.1 mm.
Loosen moving knife setscrews
❻
and
❼
, and
adjust the clearance.
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 o󰀨 and ascertaining that the motor is at rest.
Left knife Right knife
B
(
D
Reference value)
C
(
E
Reference value)
LH-3528A-7
6.2 (3.5) 7.5 (2.7)
LH-3568A-7
LH-3578A-7
7.3 (4.1) 8.9 (3.1)
LH-3588A-7
❶
❸
❶
❷
❷
E
C B
D
Operator's
side
❹
❹
❶
❺
❻
❼
D