10
【
11
】
ADJUSTING THE TOP COVER THREAD TRIMMER
11
11
11
11----1 Relationship between the position of the movable knife and the stable knife
1 Relationship between the position of the movable knife and the stable knife
1 Relationship between the position of the movable knife and the stable knife
1 Relationship between the position of the movable knife and the stable knife
When the movable knife fully retracts, align hook point E of the movable knife with point
F of the stationary knife. To make this adjustment,
loosen screws A for stoppers B on pneumatic/electric
top cover thread trimmer.
On the pneumatic/electric top cover thread trimmer,
screws A should be centered in the slots of stoppers
B. There should be a clearance of approximately
14mm between cylinder connection block D and end
C of the cylinder. Make a fine height adjustment
on the movable knife by referring to 11-6.
11
11
11
11----2 Adjusting the top cover thread clamp spring
2 Adjusting the top cover thread clamp spring
2 Adjusting the top cover thread clamp spring
2 Adjusting the top cover thread clamp spring
Top cover thread clamp spring G should protrude
approximately 3mm from end F of the stationary
knife. Loosen screws I and adjust spring G so that
it is parallel with the stationary knife.
The top cover thread is clamped and held by spring
G after it is cut. To adjust the pressure of the
spring, turn adjusting screw J. To increase the
pressure, turn it clockwise. To decrease the
pressure, turn it counterclockwise.
11
11
11
11----3 Adjusting the movable knife pressure spring
3 Adjusting the movable knife pressure spring
3 Adjusting the movable knife pressure spring
3 Adjusting the movable knife pressure spring
Movable knife pressure spring H should retract
approximately 2mm from end F of the stationary
knife. Loosen screws I and adjust spring H so that
it is parallel with the stationary knife.
< Note >
Excessive pressure causes needle breakage.
