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1) Positions of Counter Knife and Clamp Spring
2) Counter Knife Base Position
3) Knife Pressure
4) Moving Knife Driving Arms A, B and C
(11) Thread Trimmer Device (for LU-2212N-7)
0.5
±
0.1mm
Counter knife
blade tip
Standard initial position
Initial position for thick thread
Align the end of the counter knife
base with the end of the counter
knife gauge.
Standard Adjustment
4.1
±
0.1mm
A
Attach the counter knife and clamp screw while they are contacted onto the staged
section of the counter knife base.
0.2mm
17.5 mm
0
– 0.2
Bed slide plate groove end
Throat plate
33
±
0.1mm
1 mm
0
– 0.1
6 to 7mm
