DURKOPP ADLER 887 Series, Инструкция по эксплуатации, Страница: 19 / 50

2.10 Slide wheel feeder
Rule:
1. The height (A) that the feed dog (1) is above the throat plate must
be appropriate for the thickness and toughness of the material.
2. Standard height of teeth above the throat plate:
Needle thickness Nm Feed dog height in mm (A)
70 - 80 0.4 - 0.5
90 - 110 0.4 - 0.5
120 - 200 0.6 - 0.8
3. Also the tooth pitch must be adapted according to the material that
is to be sewn:
thin material – fine teeth in order to avoid marks in the leather
soft, thick material – thick teeth for sufficient feed traction
2.10.1 Adjusting the wheel feeder height for single needle sewing machines
–
Set the height of the wheel feeder according to rule 2.
In order to elevate the wheel feeder, turn the screw (1) clockwise.
–
In order to lower the wheel feeder, turn the screw (1)
counter-clockwise.
–
When exchanging the wheel take out the throat plate. Loosen the
screw (2) and slide the pin (3). Remove the feeder (4) with the
cogwheel. Loosen the screws (5), exchange the wheel feeder
against another one and remount the parts in inversed sequence
again.
17
EN
A
3
2 1
4
5
6