Bobbin Housing Lift - DURKOPP ADLER 838 Service Instructions Manual

4.4

Bobbin housing lift

24
Rules:
1. When the retention pin (1) in inserted into the lifting cam, the
handwheel indicator should point to:
- From "305" to "315" for the right hook column
or
- from "42" to "52" for the left hook column.
2. The clearance distance (A) at max. lift should be 0.8 mm.
1 2 3
–
Insert the retention pin (1) in the lifting cam (2). This is at the rear
for the right hook column and at the front for the left hook column.
Remove the lower plug. Loosen screw (3). Adjust the handwheel
according to rule 1. Tighten screw (3).
–
Turn the handwheel so the indicator points to 312. Remove the
plug. Loosen screw (4). Turn the bobbin house lift (5) so that the
available clearance distance (A) complies with rule 2. Tighten
screw (4). Re-seal the openings.
A
5
4