DURKOPP ADLER 878-M PREMIUM, Service Instructions Manual

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Needle guides in 2-needle machines
Service Instructions 878-M PREMIUM - 03.0 - 10/2019 33
9 Needle guides in 2-needle machines
Proper setting
1. The guides should touch the sewing material but should not apply pres-
sure on it.
2. In the sewing direction and on the sides, the guides should fit the needle
hole edges.
Fig. 21: Needle guides in 2-needle machines
1. Place two layers of material approximately 1.5 mm thick under the foot
and set a medium pressure for the foot onto the material.
2. Loosen the screws (1) and move the holder (2) with the guide (3) vertically
until it rests on the leather. Tighten the screws (1) slightly. Loosen the
screw (4) and do the same operation with the guide (5). Remove the
leather.
3. Adjust the guides as prescribed in the instruction 2: Adjust the rear
guide (3) in the sewing direction using the screw (6), using the holder (2)
for side adjustment. Adjust the front guide in the sewing direction and
on the sides using the screw (7).
4. Firmly tighten all fixing screws.
(1) - Screw
(2) - Front guide
(3) - Rear guide
(4) - Screw
(5) - Holder
(6) - Screws
(7) - Screw
⑤
⑥
①
②
③
④
⑦
④