LOWER THREADING

aTurn the main power to ON and open the top cover.

bAlign the groove in the bobbin with the spring on the bobbin winder shaft, and set the bobbin on the shaft.

aGroove in the bobbin

bSpring on the shaft

cPivot the spool pin so that it angles upward. Set the thread spool on the spool pin so that the thread unwinds from the front of the spool.

aSpool pin

bSpool cap

cThread spool

dSpool felt

dPush the spool cap onto the spool pin as far as possible, then return the spool pin to its original position.

eWhile holding the thread with both hands, pull the thread up from under the thread guide plate.

aThread guide plate

fPass the thread through the thread guide.

aThread guide

gPass the thread around the pre-tension disk making sure that the thread is under the pre-tension disk.

aThread guide

bPre-tension disk

hFollow steps g through k on page B-42 through B-43.Untangling Thread from Beneath the Bobbin Winder Seat

If the bobbin winding starts when the thread is not passed through the pre-tension disk correctly, the thread may become tangled beneath the bobbin winder seat.

Wind off the thread according to the following procedure.

aThread

bBobbin winder seat

CAUTION

Do not remove the bobbin winder seat even if the thread becomes tangled under the bobbin winder seat. It may result in injuries.

B-44