4.3
Bobbin housing release
Rule:
1. When the Allen key (1) is inserted in the threaded pin (3), the index
should point to the degree on the graduation scale of the
handwheel:
- for the right hook case
112°
- for the left hook case
302°
2. The distance measure
(A) = 0.8 mm
with max. release.
–
Remove the plug on the bottom, loosen screw (3), adjust the
handwheel according to rule 1. Tighten screw (3).
–
Turn the handwheel so the indicator points to “
310
”.
Remove the plug. Loosen screw (4).
Turn the bobbin housing lift (5) so that the available clearance
distance
(A)
complies with rule 2. Tighten screw (4). Re-seal the
openings.
27
EN
4
5
A
2
1
3
Summary of Contents for 887 Series
Page 1: ...887 Service Instructions...
