4 - 39
Inspection and
Adjustment
Inspection and
Adjustment
Adjustment Movable knife and Fixed knife engagement load
[Standard]
The engagement load of the movable and the fixed knife should be 4.9 to 9.8N (500 to 1000g).
[Adjustment]
1. Remove the 2 screws of the needle plate to remove the needle plate.
2. Remove the 2 screws
1 of the cutter link assy. (Fig.1)
3. Pull the cutter link assy to the direction of the arrow, measure the engagement load of the movable and fixed knife. (Fig.2)
4. When the engagement load is not within the specifications, insert a spacer below the collar of the movable knife. (Fig.3)
5. Measure the engagement load of the movable and fixed knife.
6. Repeat steps 3 and 4 until the engagement load is within the specifications.
7. Tighten the 2 screws
1 of the cutter link assy to secure the cutter link assy to the lever link assy.
*Key point
• When securing the cutter link assy, make adjustments following the guidelines in section “4-33 Movable knife
initial position”.
8. Tighten the 2 screws of the needle plate to secure the needle plate.
1
Screw, Bind
M3X4
Spacer
Fixed knife
Cutter link assy
Fig.2
Fig.1
Fig.3
1
Lever link assy
Cutter link assy
To Next Page
Loading...
