Filter
Top Products
Adjustment
12
1.04.08 Hook-to-needle clearance, needle rise, needle height and needle guard
(On Model 1246 make these adjustments on both sewing hooks.)
Requirement
When the stitch length is set at "3" and with the needle rise position set (see table):
1. the hook point must be at "needle centre" with a hook-to-needle clearance of 0.05 to
0.1 mm;
2. the top of the needle eye must be 0.8 - 1,0 mm below the hook point;
3. and needle guard 5 must touch the needle just lightly..
● Set stitch length "3" and loosen screws 1, 2 and 3.
● Bring the needle to its BDC and slide the appropriate feeler gauge under the needle bar
bearing.
● Position the adjustable clamp against the feeler gauge and screw it tight.
● Remove the feeler gauge and turn the balance wheel in its direction of rotation until the
adjustable clamp is touching the needle bar bearing.
Needle rise position:
Model C: 2,0 mm after b.d.c. off the needle bar
1
3
Fig. 1 - 08
1
3
1
1
2
2
3
2