4
4.6 Adjustment setting of the space between presser foot and needle plate (Fig.6)
The space between presser foot and needle plate should be about half thickness of sewing
material. To adjust the space between presser foot and needle plate, proceed as follows:
(1) Lift the presser foot (654-1049-D) and put a wood block (Half thickness of sewing material)
under the presser foot.
(2) Put down the presser foot and let it press the wood block.
(3) Loosen the nut (654-1041) at the top of presser foot bar (654-1048) firstly, then loosen the
fastening pin (654-1047).
(4) Let the sliding block (654-1046) down to the bottom of slot.
(5) Tighten the nut and the fastening pin (654-1047) at last.
Sliding block
Slot
Nut
Fastening pin
Presser foot bar
Presser foot
Wood block
Fig.6
4.7 Assembly and adjustment of the thread winding rod
(1) Turn the handwheel by hand till the hook needle comes to its highest position and just begin
to move breadthwise.
(2) Loosen the fastening screw of thread winding rocker (654-1026), insert the thread winding
rod (654-1029-D) into the thread winding rocker.
(3) Loosen the fastening screws of cam(654-1031), turn the cam (654-1031) till the thread
winding rod close up the tip of the hook needle. Tighten the fastening screws at last.
(4) Thread the threads through the holes of thread winding rod and the slots of presser foot, strain
the threads towards the back of presser foot.
(5) Turn the handwheel in the clockwise direction, let the hook needles hook the threads and
move downwards. If the hook needles can not hook the threads, the operator can solve it by
bend the middle of thread wind rod.
4.8 Adjustment setting of the stitch length (Fig.7)
Turn the adjusting lever (654-1008) upwards to increase the stitch length, and turn it
downwards to decrease the stitch length.
