−
36
−
(2) Automatic presser foot lifter
1) Installing the automatic presser foot lifter
1. Remove the side plate located on the anti-operator’s side of the machine arm. (List of the parts to be removed)
2. Install two elbows
!0
to automatic presser foot lifter cylinder
1
.
3. Install cylinder connecting screw
3
to automatic presser foot lifter cylinder
1
.
For the standard, adjust the distance from the end face of piston rod of automatic presser foot lifter cylinder
1
to the
end face of cylinder connecting screw
3
to 24 mm, and tighten nut
4
.
4. Tighten cylinder stay, front
!1
and cylinder stay, rear
!2
to automatic presser foot lifter cylinder
1
with
cylinder stay setscrews
2
.
5. Install automatic presser foot lifter cylinder
1
which has been assembled at the above step 4. to the
machine arm with setscrews
!3
.
6. Assemble automatic presser foot lifter lever B
7
with automatic presser foot lifter lever A
6
.
(Insert automatic presser foot lifter lever shaft
9
into the holes of both levers and tighten with hexagon headed bolt
8
.)
7. Install automatic presser foot lifter lever A
6
which has been assembled at the above step 6. to the machine arm with
automatic presser foot lifter lever shaft
9
.
(Groove of automatic presser foot lifter lever B
7
enters hinge screw
5
attached to cylinder connecting screw
3
.)
8. Install pneumatic components.
For the LS-1342-7, add the device for presser foot lifter to the pneumatic componentsbeing used now.
Fot the models other than LS-1342-7, install pneumatic components (asm.)
1
.
9. Insert the air hose and check the operation.
When actuating the automatic presser foot lifter, make sure that the distance from the bottom face of the presser foot
to the top surface of the throat plate is 16
±
0.5 mm.
When adjustment is required, remove automatic presser foot lifter lever shaft
9
and automatic ptresser foot foot lifter
lever A
6
, loosen nut
4
, and turn cylinder connecting screw
3
. (Turning in the direction of
A
will decrease the
distance, or in the direction of
B
will increase it.)
After the completion of adjustment, tighten nut
4
.
10. Make sure that a clearance of 0.5 to 1.5 mm is provided between automatic presser foot lifter lever A
6
and the thread
release supporting plate when the presser foot is lowered.
11. For the kit A (knee lifter switch), tighten presser foot lifter knee switch B (asm.) with the wood screws.
◎
Automatic presser foot lifter components (For all models)
1
2
3
4
5
6
7
8
9
!0
!1
!2
!3
!0
2
Part No.
PA400150100
SM6082502TP
21356506
NM6080001SE
SD0720331SP
21356605
21356803
SM6051002TP
21356704
PJ304065102
21356308
21356407
SS6151040SP
CM3002000B1
CM300200001
No.
1
2
3
4
5
6
7
8
9
!0
!1
!2
!3
!4
!5
Note
Name of part
Automatic presser foot lifter cylinder
Setscrew
Cylinder connecting screw
Nut
Hinge screw
Automatic presser foot lifter lever A
Automatic presser foot lifter lever B
Hexagon bolt
Automatic presser foot lifter lever shaft
Elbow
Cylinder stay, front
Cylinder stay, rear
Setscrew
Caution seal for being caught (For domestic market)
Caution seal for injury to finger (For export)
Q’ty
1
4
1
1
1
1
1
2
1
2
1
1
4
1
1
A
B
!4!5
Summary of Contents for LS-1340
Page 53: ... 53 ...
Page 54: ... 54 ...