– 111 –
8-5. Adjusting the position of counter knife, knife pressure and clamp pressure
[Adjustment of the position of the counter
knife]
Adjust so that a distance of as below is provided
from the tip of moving knife
❶
to counter knife
❷
when moving knife
❶
is at its backward end.
Then, secure the counter knife by tighten screws
❸
.
Left side : 3.6 ± 0.2 mm
Right side : 3.1 ± 0.2 mm
Left side
: 3.6±
0.2 mm
Right side
: 3.1±
0.2 mm
❸
❷
❶
[Adjustment of the position of the moving
knife]
1) Adjust the clearance
B
provided between the
stopper
A
and moving knife
❹
to 0.1 to 0.2
mm for the LH-4588C, or to 0.7 to 0.8 mm for
the LH-4578C. Then, secure the moving knife
by tightening screws
❺
.
2) Adjust so that distances of 7 mm (left) and
8.4 mm (right) are provided between the tip
of moving knife
❹
and the center of needle
❻
when the moving knife is at its backward
end (the moving knife is in the standby state).
Then, secure the moving knife by tightening
screw
❼
When the moving knife has reached its backward
end, thread trimming cam
❾
is brought to the
position at which a clearance of 0.02 to 0.1 mm
is provided between thread trimming roller
❽
and
thread trimming cam
❾
.
B
A
❹
❺
❼
0.02 to 0.1 mm
❽
❾
8.4 mm
7 mm
Adjust the position of the counter
knife taking care that the side face of
counter knife
❷
does not jut from the
side face of moving knife
❶
.
❻
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.
Содержание SC-956
Страница 1: ...INSTRUCTION MANUAL LH 4500C Series SC 956...
Страница 180: ...175 11 GAUGE PARTS LIST 43 22 TABLE OF EXCHANGING GAUGE PARTS LH 4578C TYPE F LH 4578C F type...
Страница 181: ...176 23 TABLE OF EXCHANGING GAUGE PARTS LH 4578C 7 LH 4578C 7...
Страница 182: ...177 47 24 TABLE OF EXCHANGING GAUGE PARTS LH 4588C 7 LH 4588C 7...