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7. Setting of the feeding length (Fig. 4)
Caution! Danger of injury!
Switch off the main switch! Before starting the setting operation, wait
until the motor stops!
On the regulating knob of the stitch length (1) the zero position with the loosened
screw of the lever on the pin of the hand lever of the back stitch (2) is to be set.
Set now the sliding sleeve of the adjustable eccentric in such a way, so that the
height of the ellipse remains the same with different setting of the feeder teeth
height. and, in this position, tighten the screw of the lever. Check up thereafter, if
the feeding is the same in the forward and rearward direction.
8. Presser foot replacement (Fig. 5)
Caution! Danger of injury!
Switch off the main switch! Before starting the setting operation, wait
until the motor stops!
When replacing the presser foot (1), switch off the stop motor, lift first the pressure
bar (11) into its top position and secure it with the hand lifting lever (12). Lift the
needle too in its highest position.Loosen then the fastening screw of the presser
foot (5) with the washer (7), dismount the finger protector (9) and remove the
presser foot (1) from the presser bar (11). Remount the presser foot in an inverse
procedure. After having fixed a new presser foot, check up (in lifted position),
whether the moving needle bar does not strike on the presser foot.
9. Presser foot lifting setting (Fig. 5, 6, 8)
Caution! Danger of injury!
Switch off the main switch! Before starting the setting operation, wait
until the motor stops!
Remove the needle, Using the lifting lever (12) lift the presser foot. Place the locating
fixture (Fig. 6) under the presser foot. Loosen the the screw (14) and shift the guide
(15) in such a way, so that it fits on the lifting sheet (16). Tighten then the screw
(14). Remove the locating fixture and lower the presser foot onto the throat plate.
Lift the presser foot using the knee lever or pedal and check its lifting using the
locating fixture (Fig.6, 8). Further setting of the lift is to be done with a lever in an
oil bath and on the arm web.
In the event of other presserfoot lifting values , we shall use another suitable
setting jig.
10. Setting of the needle bar height (Fig. 5)
Caution! Danger of injury!
Switch off the main switch! Before starting the setting operation, wait until the motor stops!
The hook together with the needle must be set in such a way, so that, at the moment when the hook point picks up the loop of the
upper thread, the top edge of the needle eye is in the lefthand position of the needle bar, with the maximum width of the zigzag
stitch, about
0,6 mm below the hook point. When the needle bar height does not comply with this request, proceed as follows:
Remove the front guard. Loosen the screw (6) of the carrier (13) of the needle bar (10) and set it correctly. Tighten screw (6).
Mount the front guard.
Caution !
An incorrect setting of the needle bar height may cause the striking of the hook point against the needle.
Fig. 6
3
14
15
12
13
6
4
2
11
7
5
1
2
Fig. 4
16
4
3
10
9
1
Fig. 5
Fig. 8
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