23
Correct
setting:
23.1
23.2
23.3
23.4
23.5
23.6
23.7
Looper
thread
puller
With
the needle bar at top dead center
(pin
in hole
1),
both eyes of looper
thread
puller
2 must be exactly at the front edge of secondary looper
thread
regulator 3 (Rg. 23.0.2).
Loosen clamp screw 1 just enough to allowthread puller 2 to be turned on its
stud
by
hand.
Turn
the balance wheelto bringthe needle bar to top dead center.
Insertthe
pin
in hole1 of the bearing plate (to
block
the
machine).
llirn thread puller 2 on its stud so that Its two eyes are exactly at the front
edge
of
thread
regulator
3.
Make
sure the
fingers
of thread
puller
2 are
equidistant
from
primary
looper
thread regulator 4, then tighten clamp screw 1.
Pull
the pin out of the hole Inthe bearing plate.
Check this adjustment (see "Correct setting").
28
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