Operation Manual

2.6.7Topfeed-dog -Height

Caution:Risk ofinjury!

Switch the m ainswitch off.

C heck and adjustthe top feed onlywiththe sew ing unitsw itched off.

Standard and checking

Basic position

The feed-dog 1 shouldbefastened inthe upperthird o f the slotted hole

atthe feed-dog support4.

Inthis position the feed-dog bends dow n insewing dire c tion.

Height

W hen the needleis m oved dow nw ard untilittakes overthe hook

thread,a 0.025 m m thick brass foil2 placed underthe top feed-dog 1

should notbe clam ped by the top feed-dog.

2-thread

C orrection ofbasic position

–

Loosen screw 3.

–

Pullthe feed-dog dow nw ards.

–

Tighten screw 3.

C orrection ofheight

–

Clam p the brass foil2 (0.025 m m )underthe top feed-dog.

–

Turn the handw heeluntilthe needleis behind the back ofthe hook

(s e e ill.on the leftfor2-and 3-thread m achine heads).

–

Loosen screw 3.

–

Adjustthe feed-dog insuchawaythatthe brass foilisnolonger

clam ped.

–

Tighten screw 3.

3-thread