Pfaff hobbylock 783 - Adjusting the Needle Height and Needle Entry Point of the Hobbylock 783

5 Adjusting the needle height
and needle entry point of the
hobbylock 783
8
When the needle bar is at top
dead centre, the vertical dis-
tance between needle and need-
le-plate surface must be
12 mm.
For this adjustment use the
adjustment gauge (d~ension A,
see Fig. 12).
Ensure the needle is pushed
fully into the needle holder.
Set needle bar at bottom dead
centre and make sure that
needle penetration point 1 is
exactly in centre of needle
plate and clearance from front
of needle plate is 1 mm (see
Fig. 13).
Adjustment sequence:
Loosen screw 2 of needle bar
connection. Set correct height
by pushing needle bar 3 up or
down. Make sure that needle
holder stays parallel with ma-
chine housing. Tighten screw 2
again (see Fig. 14).
The needle pentration point is
adjusted by re-positioning
needle plate mounting 4 (see
Fig. 15).
To do this, loosen two scr.ews
5, set needle penetration
point by re-positioning needle
plate mounting 4 and tighten
two screws 5 again.
<C
E
E
Fig. 12
V~----1
h
Fig. 13
3-~==rr
Fig. 14
4
Fig. 15
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