9. STANDARD ADJUSTMENTS- Page 42

9. STANDARD ADJUSTMENTS

BAS-341F, 342F

35

(9)

A

B

C

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