SX6803P (Plain feed)
8-4 Feed dog height
1.
The top of the screw B should be 2.7mm above the top
of feed dog bracket A, and setting the feed dog.
2.
Install those parts on the feed bar C with screw D and
E.
3.
When the main feed dog is in its highest position, the
first tooth from the front should be 2mm above the
needle plate. Then tighten screw D and E.
4.
Stopper pin F is touched under the feed dog and
tighten screw G.
8-5 Feed dog front-to-back
The feed dog should be centered front to back.
The feed dog should not touch the needle plate.
Fine adjustment is made by tightening screw C, D and
turning front to back adjusting eccentric pin A.
8-6 Stitch length
Adjustable from 2.1mm to 4.2mm with no steps.
The number of stitches per inch (25.4mm) is as follows.
Stitch
length
Number of
stitches per inch
4.2mm 6
3.6mm 7
3.2mm 8
2.8mm 9
2.5mm 10
2.3mm 11
2.1mm 12
■
To change the stitch length
1.
Loosen screw A on the needle guard.
Move needle guard B to the extreme rear end of the machine.
Then tighten screw A temporarily.
2.
Remove rubber plug C.
3.
Loosen screw D. To increase the stitch length, move screw D upward.
To decrease the stitch length, move screw D downward.
4.
When the required stitch length is achieved, tighten screw D securely and then
replace rubber plug C.
5.
Adjust needle guard B and tighten screw A (refer to "Adjusting the needle guard" on
page 13).
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