Duerkopp Adler 4280-2, Инструкция по эксплуатации

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3.2.3 Height setting of the needle bar
At the moment, when the hook point passes around the needle, the
upper edge of the needle eye must be about 1 mm below the hook
point. In an opposite case, it is necessary to set the height of the needle
bar as follows:
Caution ! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
- Remove the front guard.
- Loosen the screw (1) of the needle bar carrier.
- Set the correct height of the needle bar and tighten anew the screw
(1).
Caution !
An incorrect setting of the needle bar height may cause
the striking of the hook point against the needle.
3.2.4 Angular setting the pin of the thread
mechanism
The hinged pin (2) of the connecting rod (3) can be set in two posi-
tions:
- for a small hook, in position „A“ (eccentricity in the sense from the
main shaft)
- for a big hook, in position „B“ (eccentricity in the sense towards the
main shaft).
Set the connecting rod pin as follows:
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
- Remove the front guard.
- Loosen the screw (1) of the connecting rod (3) pin (2).
- Set the pin into the corresponding position and tighten anew the
screw.
- The correct position is given by the flat on the pin (2), on which the
screw (1) is tightened.
3.2.5 Side setting of the needle bar holder
The correct position of this holder is in such case, when the needle bar
is lined up with the presser-foot bar. The needle bar holder can be set
as follows:
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
- Loosen the screw (1) of the pin (2).
- Loosen the screw (3) of the guide pin (4).
- In shifting the pin (2) set the needle bar holder on the measure „A“
= 7.5 mm (distance of the front faces of the arm and of the needle bar
holder) /at the same time the pin (4) shifts/.
- The guide pin (4) is to be set in such a way that the needle bar holder
moves easily.
- Tighten the screws (1 and 3).
1
2
A
1
2
B
1
1
1
3 4
2
A
3
3