32
5.7.3) Trimmer Shaft Position Setting
1) Loosen the tightening screw for the trimmer driving
link and the tightening screw for the trimmer shaft
collar.
2) Make the cross-section of the trimmer shaft touch the
A section of the arm.
3) Fasten the tightening screw.
5.7.4) Link Stopper Position Setting
1) While the trimmer is not in operation, loosen the
tightening screw for the trimmer driving link stopper
and set the distance between the trimmer driving link
and the trimmer driving link stopper
’
s notch to be
0.3mm.
5.7.5) Adjustment of Moving and Fixed Blades
1) Adjustment for H type machine
For the adjustment of the needle hole guide and the
distance between A and B of the moving blade, see
the table below.
-
Adjustment of the blade distance
“
A
”
Loosen the fixed blade screw and adjust the
space of the fixed blade
-
Adjustment of height gap
“
B
”
If the heights of the fixed blade and the needle
hole guide are not identical, bend the moving
blade to adjust the heights.
-
Adjustment of distance between needle plate and
fixed blade
Adjust the distance between the needle plate and
the fixed blade to be 0.3~0.5mm.
Size of A
Size of B
H Type
0.8~1mm
0.25~0.35mm
Trimmer Cam
Trimmer
Drive Link
Trimmer Shaft
Tightening Screw
Trimmer Drive Link Stopper
0.3mm
Trimmer Drive Link
0.3mm
Tightening Screw
0.3~0.5mm
If the position is not properly set, the trimmer operation might be faulty or the parts might be stuck
with each other.
Caution
If the position is not properly set, the trimmer operation might be faulty or the parts might be stuck
with each other.
Caution
If the size of A is smaller or the size of B is larger, either upper thread or lower thread would be
short.
Caution