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

6-9. 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
– 40 –
) 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
B ( D Reference value) C ( E Reference value)
LH-3528A-7
6�.2 (3.5)
LH-356�8A-7
LH-3578A-7
7.3 (4.)
LH-3588A-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
7.5 (2.7)
8.9 (3.)