DURKOPP ADLER 878-M PREMIUM, Service Instructions Manual

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Working basis
20 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
Assembling the feed dog
1. Place the feed dog (1) onto the feed dog carrier (2).
2. Insert the feed-dog carrier (2) back to its place.
3. Push the plug into the opening (3).
4. Insert the throat plate (

p. 18 ).
Setting the feed dog
Important
Adjust the feed-dog carrier teeth increment as per the standard setting.
Larger increments:
1. Loosen the screw (5) and tighten the screw (4).
2. When the required increment is achieved, tighten the screw (5) as far
as it will go.
3. Tighten the screw (4).
Smaller increments:
A smaller increment is achieved by the reverse procedure.
3.5 Flats on shafts
Fig. 8: Flats on shafts
Some shafts have flat surfaces at the points where the components are
screwed on. This stabilizes the connection and makes setting easier.
The first screw in the direction of rotation is always screwed on to a flat
surface.
Important
Always ensure that the screws are completely flush with the surface.
(1) - Flat (2) - Shaft
①
②