Brother 2340CV IV. Types of stitches, Tri-cover stitch Three needles four threads cover stitch

IV. Types of stitches

Tri-cover stitch (Three needles four threads cover stitch)

Use four threads, three front needles and the looper thread to sew a 6 mm (15/64 inch) cover stitch.

Use: Ideal for hemming and for decorative stitching.

Threading

•For details on threading the machine, refer to “III. Threading” on page 9 to 10.

< Threading the left, center and right needle > < Threading the looper >

	Tension adjustments
A	(1)First, set each thread tension dial to the number
	shown below.
	ATension selection mark
	Left needle dial	Center needle dial	ENGLISH
	(yellow)	(pink)
	4	4
	Right needle dial	Looper needle dial
	(green)	(blue)
	4	4
	CAUTION
	Make sure that the thread is properly seated in
	the tension discs by holding the tension release
	button to the right while passing the thread
	through the tension discs.
	(2)Sew a test stitch. (Refer to “V. Sewing” on page 15.)
	(3)Adjust the tension of each thread according to the
	condition of the stitch.
	Balanced tension
	The needle thread sews a straight seam on the top
	side and the looper thread forms loops on the under
Stitching direction	side of the fabric.
	Needle thread is too loose
	Turn the needle thread adjusting dial to a higher
	number. Or turn the looper adjusting dial to a lower
	number for looser tension.

Needle thread is too tight

Turn the needle thread adjusting dial to a lower number. Or turn the looper adjusting dial to a higher number for tighter tension.

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