37
D. Setting the link stopper
ⓐ Loosen the screw of the trimmer driving link
stopper while trimming is not in operation. Set the
trimmer driving link and the trimmer driving link
stopper notch 0.3mm apart from each other.
ⓑ Tighten the screw.
[Figure 74]
[Caution]
If the positioning is not appropriate, trimming may not
function correctly and the machine could be jammed.
→
→
0.3mm
Trimmer
Driving
Link
Screw
Trimmer Driving Link Stopper
→
→
0.3mm
E. Setting the position of the trimming solenoid
ⓐ Unfasten the screw of the thread trimming solenoid bracket and set the trimmer shaft and the trimming solenoid
rotary link 0.5 mm apart from each other. Tighten the screw afterwards.
ⓑ Loosen the screw of the thread trimming solenoid rotary link. Manually move the trimming solenoid rotary link to
push the trimming shaft collar 6.8mm in the arrow direction. Then fasten the screw.
ⓒ Check if the trimming shaft collar returns to its place after the trimming solenoid rotary link returns.
[Figure 75]
[Caution]
If the positioning is not appropriate, thread release may be delayed and result in poor sewing quality.
→
→
0.5mm
Trimming Solenoid
Thread Trimmer
Rotary Link
Thread Trimming Solenoid Bracket
Screw
Screw
Thread Trimmer Shaft
Thread Trimming Rotary Link
6.8mm
→
→
F. Adjusting the movable and the fixed blades
ⓐ When the needle bar stops in the high position, use a trimming lever screw to set a clearance A between the
thread separation point of the movable blade and the needle plate hole as described in the table below.
ⓑ Adjust the clearance B between the fixed blade and the needle plate cover with a fixed blade screw, as indicated
in the table below.
ⓒ Start trimming operation manually to check the position of the blades after adjustments.
[Figure 76]
[Caution]
If the positioning is not appropriate, trimming may not function or the remaining thread quantity may not be sufficient.
4.5mm 0.5mm
AB
Needle Plate
Cover
Movable Blade
Fixed Blade
→
→
→
B
A
→
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