9. STANDARD ADJUSTMENTS
BAS-341F, 342F
35
(9)
ABCD
Movable knife
Fixed knife
Cutting edge
Fig. 1
Cutting edge
Cutting
edge
Cutting edge
2. Remove the movable knife, and replace it with a new movable k nife. Now check the cutting edge of the m ovable
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 s crew as shown in Fig.1.
B. Turn the movable knife (in the direction of the arrow) while the screw is still t ightened.
C.Loosen th e screw.
D.Turn the movable k nife (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 per formance of the knife.
3. Install the fixed knife (10) 0.5 mm away from needle
hole plate (12).
1247S 0149S
0150Q
0148Q
1958S
1959S