Brother BAS-415 - Page 27

Timing pulse ® N ee dle do wn N ee dle up
si gnal @ si gnal @
Curved mark
Stop mar k
The synchronizer w i ll disp l ay the signals as
follows:
<D timing pulse CD . ... . .... .
® needle down signal © .. .
@needle up signal @
bl
in ks every 7.5°
goes
off at - 21 oo
goes off when
between -92.5 °
and 112.5°
92 .5° . . . . . . When t he needle bar is lowered 20
112S
mm below its highest position.
When t he
needle bar is lowered 29
mm b elow its highest pos i tio n.
210 ° . . . . . . . When the needle bar is raised 20
mm above its lowest position.
5) Turn the machine pulley in i ts normal direct ion .
-24 -
To adjust the synchronizer assem bl y@ , loosen the
sc
rew 0 so th at the needle s top si gnal goes off
when t he need le is 20 mm bel ow it s highe st
pos
ition .
NOTE: At this t ime, the curved mark on the pulley
should
be aligned w i th th e st op mark.
From the library of: Superior Sewing Machine & Supply LLC