Adjusting The Needle Bar And The Hook; Needle Bar Height, Play Of Needle To Hook Tip, Loop Stroke - DURKOPP ADLER 887 Service Instructions Manual

4

Adjusting the needle bar and the hook

4.1

Needle bar height, play of needle to hook tip, loop stroke

Rule:
When the handwheel pointer indicates "205" degrees (2.3 mm loop
stroke), the hook tip should stand at the needle axis at the stitch
length "0". Length (A) = 1.5 mm, distance (B) = 0.02 to 0.1 mm.
1
4
5
3
6
5
–
Lock the handwheel in loop stroke position (2.3 mm) by using the
locking pin (1) 5 mm, degree "205".
–
Loosen four screws (2) and turn the hook tip (3) to the needle axis.
–
Loosen screw (4), position the needle bar and needle to the
distance measure (A) and tighten screw (4).
–
Loosen the two screws (5) and displace the hook case (6) to the
distance measure (B).
–
Check whether the hook tip (3) is positioned in the range of the
needle axis, tighten screws (2).
25
2
EN
B