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Husqvarna 610 620 630 sewing machine service manual

Download Husqvarna 610 620 630 sewing machine service manual



Husqvarna 610 620 630 sewing machine service manual

this is a manual for service and adjustment of sewing machine model:

Husqvarna 610, 620, 630

SERVICE MANUAL ……………………………………………………………………………………………. 1
ADJUSTMENTS ………………………………………………………………………………………………… 4
Setting ratings ……………………………………………………………………………………………………. 5
Service tools ………………………………………………………………………………………………………. 6
Tool set……………………………………………………………………………………………………………… 7
VISUAL CONTROL OF DETAILS………………………………………………………………………. 8
Stitch plate …………………………………………………………………………………………………………. 8
The presser foot…………………………………………………………………………………………………. 8
The feed dog………………………………………………………………………………………………………. 8
The feed dog lowering ………………………………………………………………………………………… 8
The bobbin case …………………………………………………………………………………………………. 9
The hook cover ………………………………………………………………………………………………….. 9
The hook………………………………………………………………………………………………………….. 10
The driver ………………………………………………………………………………………………………… 10
The cog belt, short ……………………………………………………………………………………………. 11
The cog belt, long ……………………………………………………………………………………………… 11
The foot control ……………………………………………………………………………………………….. 12
Changeover switches ………………………………………………………………………………………… 12
Terminal board with printed circuit …………………………………………………………………….. 13
Bobbin-winding device ………………………………………………………………………………………. 13
Distribution of the thread on the bobbin …………………………………………………………….. 13
The motor ……………………………………………………………………………………………………….. 14
The arm shaft, axial play …………………………………………………………………………………….. 15
The lower shaft, axial play ………………………………………………………………………………….. 15
Shafts for the movements of the feed dog ………………………………………………………….. 16
The guide and block, feed dog movement ………………………………………………………….. 17
The journalling of the thread take-up lever, the crank stud …………………………………… 17
SETTING INSTRUCTION……………………………………………………………………………….. 18
The hook gear ………………………………………………………………………………………………….. 18
The gap between the hook cover ………………………………………………………………………. 19
and the driver ……………………………………………………………………………………………………. 19
The presser foot……………………………………………………………………………………………….. 20
Setting the needle in relation to the …………………………………………………………………… 21
presser foot in the feeding direction ………………………………………………………………….. 21
The gap between the hook and the needle …………………………………………………………. 22
The stitch plate …………………………………………………………………………………………………. 23
The zig-zag movement of the needle. (The worm screw.) …………………………………… 24
The stop, needle bar frame ………………………………………………………………………………… 24
Needle positions for models 630 and 620 …………………………………………………………… 25
Needle positions for model 610…………………………………………………………………………. 27
Setting the timing of the hook in relation to the needle ………………………………………. 28
The upper position of the needle bar …………………………………………………………………. 29
The feed dog setting …………………………………………………………………………………………. 30
The balance of the stitch length …………………………………………………………………………. 31
Thread tension …………………………………………………………………………………………………. 32
104 71 99-26 Husqvarna Optima 600 serien 3
DISMOUNTING AND MOUNTING INSTRUCTIONS …………………………………….. 34
Front cover – setting the stitch …………………………………………………………………………… 34
display of the panel ……………………………………………………………………………………………. 34
The rear cover ………………………………………………………………………………………………….. 35
The pattern mechanism…………………………………………………………………………………….. 36
The pattern mechanism…………………………………………………………………………………….. 37
The stitch setting mechanism and guide …………………………………………………………….. 38
The stitch selector knob ……………………………………………………………………………………. 40
The sewing head ……………………………………………………………………………………………….. 41
The bobbin-winding device. ……………………………………………………………………………….. 42
Exchanging the belt …………………………………………………………………………………………… 42
The thread tension device …………………………………………………………………………………. 43

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