Top Roller - Dürkopp Adler 838-xxxxxx-M series Service Instructions Manual

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3.3

Top roller

5
B
22
Rules:
1. The seating area on the top roller holder should be aligned at a right
angle to the machine's longitudinal axis (centre-line).
A clearance of (A) = 0 mm should exist between the top roller and
the throat plate.
2. The position of the top roller in the sewing direction should be
adjusted as follows:
– for single-needle machines: (B) = 1.3 to 2.3 mm
– for double-needle machine: (B) =
3. The lateral position of the top roller should be set so that the lower
edge of the top roller is aligned with the left edge of the stitch hole (8).
1
6
7
Loosen screws (1). Push the presser foot bar perpendicularly,
according to rule 1. Insert the cross-head screwdriver (2) (included
with the accessories) into the hole on the top roller holder (3). Turn
the presser foot bar (4) with top roller holder (3) until the
screwdriver is at a right angle to the machine's longitudinal axis.
Tighten the screws (1).
Loosen screw (5). Move the top roller according to rule 2. Tighten
screw (5).
Loosen screw (6). Move the top roller by turning the screw (7),
according to rule 3. Tighten screw (6).
0 to 2.3 mm
3
4
2
8

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