Adjusting The Position Of The Moving Knife - JUKI LH-3500 Series Instruction Manual

6-8. Adjusting the position of the moving knife

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.
2
1
E
C
2
3
4
5
3
6
A
D
B
2
3
Operator's
side
5
– 34 –
) Algn counter knfe base 1 wth plane A of
counter knfe 2 .
2) Loosen clamp screw 5 n the rear of machne
bed and adjust so that the dstances B and
C between the top end of movng knfe 3
and the center of needle 4 at the tme of
watng become the dmensons as shown n
the lst below when the feed ptch s mnmum
and needle 4 s n the lower dead pont.
Left knfe
( D Reference
B
value)
LH-3528-7
6.2 (3.5)
LH-3568-7
LH-3578-7
7.5 (3.6)
LH-3588-7
3) Set clearance D between movng knfe 3
and protruson 6 of the nner hook to 0.3 ± 0.
mm. Loosen movng knfe setscrews 7 and
8 , and adjust the clearance.
7
8
Rght knfe
( E Reference
C
value)
7.5 (2.7)
8.9 (3.)