2
【
3
】
ADJUSTING THE THREAD TRIMMER AIR CYLINDER
3333----1 Air cylinder stroke
1 Air cylinder stroke
1 Air cylinder stroke
1 Air cylinder stroke
The stroke of the air cylinder varies according to the gauge. Refer to the table below.
Adjustment is made by loosening adjusting collars A and B.
Gauge Stroke
4.8-10-10-10 39.2mm
5.0-13-13-13 41.6mm
9.5-9.5-9.5 37.1mm
8.5-8.5-8.5 37.1mm
6.4-6.4-6.4 37.1mm
【
4
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ADJUSTING THE THREAD TRIMMER
4444----1
1
1
1 Home position of the knives (at the extreme right end of their stroke)
Home position of the knives (at the extreme right end of their stroke)
Home position of the knives (at the extreme right end of their stroke)
Home position of the knives (at the extreme right end of their stroke)
The home position of each knife varies according
to the gauge.
Adjust distance A by referring to the illustration
and the table below.
Then fasten collar B (see 3-1).
Gauge Distance
A
4.8-10-10-10 46.6mm
5.0-13-13-13 45.6mm
9.5-9.5-9.5 47.1mm
8.5-8.5-8.5 46.1mm
6.4-6.4-6.4 43.9mm
4444----2 Upper knife at the extreme left end of its stroke
2 Upper knife at the extreme left end of its stroke
2 Upper knife at the extreme left end of its stroke
2 Upper knife at the extreme left end of its stroke
Lower knife carrier A and upper knife carrier B
move to the left simultaneously.
Upper knife carrier B stops when reaching
positioning stopper C.
4444----3 Position of each lower knife
3 Position of each lower knife
3 Position of each lower knife
3 Position of each lower knife
The lower knives should be parallel with each
other. Adjustment is made by loosening screws
D. Each distance between the points of the
lower knives should be 6.5mm (see 4-6).
4444----4 Position of the points of the lower knives
4 Position of the points of the lower knives
4 Position of the points of the lower knives
4 Position of the points of the lower knives
When the loopers are at the extreme left end of their travel, move lower knives E to the
left and then make sure the points of lower knives E are 0.7mm above the blades of the
loopers.
< Note >
When operating the thread trimmer by hand, bring the needle to the top of its stroke.
