– 2 –
Model
DimennsionA
LU-1520N-7
9
±
0.1mm
A
A
a
a’
Standard Adjustment
Standard Adjustment
(2) Longitudinal position of the feed dog
2. STANDARD ADJUSTMENT
(1) Needle entry position
1
2
3
2
60 mm
Top surface of
throat plate
Conditions
• Needle bar at lowest dead point
• Feed amount : 0 mm
Conditions
• Needle bar at lowest dead point
• Feed amount : 0 mm
A = Clearance between the feed dog and the throat plate
when the feed amount is maximum and the feed dog
travels fully to the front
1
3
a=a’
A=1.8mm