A
B
(1) Height of Needle Bar
3. Standard Adjustment
Marker Lines engraved in the Needle Bar (for DP x 17): (Standard)
A
Marker Lines engraved in the Needle Bar (for DB x 1):
B
– 3 –
Requirement:
• The needle bar should be
brought to the lowest dead
point.
(2) Timing between the Needle and the Hook
1) Needle Lifting Amount and Positions of the 2) Clearance between the Needle and the
Needle and Blade Point of the Hook Blade Point of the Hook
Requirement:
•The needle bar should be lifted from
the lower dead point.
Standard Adjustment
Standard Adjustment
Coincidence with
the lower line en-
graved on the
needle bar
1.2mm
2.5mm
D
C
Marker Lines engraved in the Needle Bar (for DP x 17): (Standard)
C
Marker Lines engraved in the Needle Bar (for DB x 1):
D
0.02 to 0.07mm
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