Garudan GPS/X-3525 Series, User Manual

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MP03200 EN_180810 18
c)
Lever 4, (Fig. 22), is driven by the eccentric and it is joined with the adjusting pin and nut on
the lever with the groove (5) in the part located outside the machine. If the pin is in the
upper part of the groove, the presser foot movement is set to minimum. If the pin is in the
lower part of the groove, the presser foot movement is set to maximum.
d) Movement is transmitted on the lever mechanism through the lever (10) with clamping joint
and screw, F ig.21. Distance of presser foot (17) above the needle plate (sewn material) is set
by the screw (6) which leans against the pin (12) of the lever mechanism, see F ig. 21.
e) Lift of the presser bar during exchange of the material, when the machine is not in operation,
is performed by pneumatic cylinder (16), see F ig. 21.
f) Pressure of the presser foot is adjusted by pressing the spring (13). This spring can be
adjusted after losing nut (14) by turning the screw (15).
Summary: presser foot (17) should be moving with the delay defined by the value of approximately 5
mm of the needle trajectory during the movement from the lower reversal point. When the sewn
material is moving and the needle is above the material, the presser foot must not be in contact with
the material.
5. Thread of upper thread:
Lead the thread from thread stand to guides (1) on the head of the machine, F ig.23. After that thread
through silicon oil bottle for lubrication ( F ig.6). The bottle can also be placed between the guides (1).
After that lead the thread through tensioner (3), guide (4), tensioner (5) and spring (6), see F ig. 24.
Then lead the thread through guide (8), thread puller (9), thread holder (10), guide (11) and guide
(12) to the needle where the thread is inserted from the operator side in the direction of the arrow
(13) (see F ig. 25).
Fig. 23
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