Adjusting The Distance Between Carrier Roller And Needle - DURKOPP ADLER 171 Service Instructions Manual

Puller
4. Turn the handwheel to set the machine to position E.
 The slots of pull rod (1) and eccentric (2) line up on top of each other.
5. Tighten the screws of the eccentric (2).
Checking synchronization
To check the synchronization of bottom feed and puller:
1. Set the adjusting wheels for bottom feed and puller to 3 mm.
2. Place 2 thin strips of cardboard end to end under sewing foot and
3. Turn the handwheel.
 The strips of cardboard must not shift against each other.
4. If necessary, correct the adjusting wheel of the carrier roller until
5. Loosen the scale wheel for the carrier roller and fit it such that

11.2 Adjusting the distance between carrier roller and needle

Fig. 38: Adjusting the distance between carrier roller and needle
(1) - Screw
Proper setting
The distance between the middle of the carrier roller and the middle of
the needle is 30 mm.
To adjust the distance between the carrier roller and needle:
1. Loosen the screw (1).
2. Adjust the distance.
3. Tighten the screw (1).
Service Instructions 171/173 - 00.0 - 01/2020
carrier roller.
the feed is in sync.
the indicated value is 3 mm.
①
30 mm
49