—
6
—
11
、
ADJUSTMENT OF WALKING FOOT AND PRESSER FOOT (Fig.7)
(1)
The alternating movement on the walking foot
and presser foot can be adjusted by changing
the position relations of the parts of the presser
foot lifting mechanism.
(2)
Changing the position relation of the connecting
link 2 and the crank 3 can complete the adjustment.
(3)
Adjustment should be changed according to the
thickness of the material to be sewn..
12
、
ADJUSTMENT OF STITCH LENGTH AND FORWARD/BACKWARD
SEWING (Fig.8)
(1)
Adjusting the stitch length adjusting bolt can
change the stitch length.
(2) Stitch length can be adjusted between 0-11mm.
(3) Setting the stitch length adjusting bolt above
“
0
”
can backstitch.
13
、
FEED DOG HEIGHT (Fig.9)
The feed dog should be 1.5 mm higher than the vertex
of the needle plate. Adjustment of the feed dog height
can be done as follows:
(1)
Turn the machine pulley so as to raise the feed dog
to its highest point.
(2)
Loosen the screw of the feed dog and adjust the
height by raising or lowering it. Then tighten the screw.
Fig.7
Fig.8
Fig.9
Summary of Contents for GA2688-1
Page 10: ... 8 A ARM BED AND ITS ACCESSORIES ...
Page 13: ... 11 B NEEDLE BAR AND THREAD TAKE UP MECHANISM ...
Page 15: ... 13 C LOWER SHAFT MECHANISM ...
Page 18: ... 16 D FEEDING MECHANISM ...
Page 21: ... 19 E PRESSER FOOT MECHANISM ...
Page 23: ... 21 F UPPER FEED LIFTING ROCK SHAFT MECHANISM ...
Page 25: ... 23 G NEEDLE BAR ROCKING MOTION MECHANISM ...
Page 27: ... 25 H KNEE LIFTER MECHANISM ...
Page 29: ... 27 I BOBBIN WINDER MECHANISM ...
Page 31: ... 29 J ACCESSORIES ...
