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9. STANDARD ADJUSTMENTS
BAS-341F, 342F
35
(9)
A
BC
D
Movable knife
Fixed knife
Cutti
ng edge
Fig. 1
Cutti
ng edge
Cutti
ng
edge
Cutti
ng edge
2. Remove the movable knife, and replace it with a new movable knife. Now check the cutting edge of the movable
knife (9) and the fixed knife (10). If necessary, use the provided movable knife washer (11) (T=0.4, T=0.5, T=0.6) to
adjust the knives so that they cut properly. (Figure is BAS-342F.)
<Adjusting the engagement of the movable knife and fixed knife>
A. After the movable knife and fixed knife are properly engaged, tighten the screw as shown in Fig.1.
B. Turn the movable knife (in the direction of the arrow) while the screw is still tightened.
C. Loosen the screw.
D. Turn the movable knife (in the direction of the arrow) while the screw is still loosened.
Repeat above steps A, B, C and D four or five times to maintain the cutting performance of the knife.
3. Install the fixed knife (10) 0.5 mm away from needle
hole plate (12).
1247S
0149S
0150Q
0148Q
1958S
1959S