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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, 7, 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. Loosen the screw
(17) of the lever (18) and set the lever 1 mm above the upper shaft (19). In this position,
tighten duly the screw (17). check the axial clearance of the shaft (20) which is to be the
least possible. Lift the presser foot using the knee lever or pedal and check its lifting using
the locating fixture (Fig.8).
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.
18
19
17
20
Fig. 6
3
14
15
12
13
6
4
2
11
7
1 mm
Fig. 7
Fig. 8
Fig. 4
16
10
5
Fig. 5
1
2
4
3
9
1
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