White 1599 manual Trouble Chart, Needle for

Page 48

21.	TROUBLE CHART

PROBLEM
Breaking	lower
thread

PROBABLE CAUSE

Thread not wound evenly			on	the	bobbin
or not	drawn	up correctly
Lower	thread	tension too	tight

Lint stuck in		the bobbin case		and inside
the tension spring

CORRECTION
P10,	P15
P12
Remove		lint
and fluff		with a
cleaning		brush

Skipping

stitches

Needle	not fully		inserted
Needle bent
Size or	type	of	needle and	thread	not
suitable	for	the	material

P	6
P	6
P16

Irregular

stitches

Incorrect	upper		threading
Too much	oil	on	the	hook

Incorrect	size	of	needle for the			material
Upper thread		tension too			loose

P13

P45

P16

P20

Th material fed correctly

not

Incorrect	lower	tension
Pattern selection dial not				set	correctly

Incorrect	feed	dog	height

P12

P17

P12

			Lint stuck	on the feed dog
Noisy	machine	I	Check for	thread in		race, the			race	may
Noisy			slightest amount of			thread in
			slightest amount of			thread in
			cause noise or		binding,		use	material
			like tooth	pick	or cotton		swab		to
			clean.

P44

P45

—46—

Image 48

Contents White MachineContents 0CD Specifications vary from country to country Names of PartsPresser foot Presser foot lifterAccessories Detaching Extension Before SewingSteps Connecting Power CordController FootChanging Needle BreakAge Needles Can damageChanging Foot PresserBobbin Winding Push back to fold handle Correction Inserting Bobbin Adjusting Lower Tension Drop Feed LeverThreading Upper TenTwin Needle Threading Decorative Tucks or DesignsThread Drawing LowerFoot Pressure Appear on the fabricFabric, Thread and Needle Table WedgePattern Setting \V/A\V/A\\Pattern Selection Dial Stitch Length DialStraight Sewing Double Foot LifterPush presser foot lifter up as far as ReleaseAdjusting Thread Tension Cloth GuideThreads in center Applications At Straight Stitch SeamsArea Basting/TopstltchingZigzag Width Control Tension for ZigzagSet SeamDetermine Length DetermineWidth PassesReaches first bar tack Buttonhole Adjustment Density OpensCloses Cutting Buttonholes Nee ButtonsWeight Overlocking Then press flatAdjusting Stretch Stitch Balance Adjustments forIs, III II AfterApplication Rack RickHeav Application of Fun Patterns Decorative PatPatterns Neater finish Stitches are MadeCorrect seam Stretch Seam FabricsFor Very elastic fabrics Wrong Zipper SewingShell Stitching Tucking SheerSee Second line, justQuilting Patching MendingMending RipDarning Press ZigApplique Work BaseMachine as shown Reduce Upper Thread TensionDesign on Grasp lower thread then make two ThreeCleaning MaintenanceOiling Trouble Chart Needle for