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CONTENTS

CHANGING PARTS

1.

TO CHANGE BELT COVER UNIT ....................................... 1

2.

TO CHANGE BASE UNIT ............................................. 1

3.

TO CHANGE BED COVER ............................................. 1

4.

TO CHANGE TOP COVER ............................................. 2

MECHANICAL ADJUSTMENT

1.

TO ADJUST PRESSER BAR HEIGHT .................................... 3

2.

TO ADJUST TIMING OF LATERAL NEEDLE SWING ........................ 4

3.

TO ADJUST NEEDLE POSITION MISALIGNMENT .............

5

4.

TO ADJUST ZERO POSITION OF ZIGZAG STITCH ........................ 6

5.

TO ADJUST NEEDLE DROP POSITION IN NEEDLL PLATE HOLE ............. 7

6.

TO ADJUST CLEARANCE BETWEEN NEEDLE AND ROTARY HOOK .............. 8

7.

TO ADJUST HOOK TIMING ........................................... 9

8.

TO ADJUST NEEDLE BAR HEIGHT ..................................... 10

9.

TO ADJUST FEED DOG HEIGHT ....................................... 11

10. TO ADJUST ZERO FEEDING .......................................... 12

11.

TO ADJUST STRETCH STITCH FEED BALANCE .............. 13

12. TO ADJUST BUTTONHOLE FEED BALANCE ............................... 14

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