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Baby Lock BL3-407 Instruction Booklet page 4

2-thread/3-thread overedging sewing machine

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Belt
cover
screws
(Figure
1)
Mount the motor correctly onto the
machine
body
as
follows:
Remove
the belt
cover
by
loosening
both
belt
cover
screws
(Figure
1).
Mount
the
motor onto the
machine
body
by
tightening
the
bracket
f
ixing screw
while
setting
the V-belt
in
place
at the
same
time,as
shown
in
Figure
3.
(The bracket
fixing
screw,
washer and
V-belt
are
enclosed
together in
the
carton).
Belt
tension
will
be most
suitable
when
the
V-belt
bends
slightly under finger
pressure
(see
Figure
4).
Make
belt
tension
adjustments
by
shifting the position
of
the belt
tension
adjusting
nut
accordingly
(Figure
4).
Re-attach
the belt
cover.
(Figure 4)
Belt tension adiustinq
fixing
screw
uE@\
Bracket
{ixing
screw
(Figure 2)
(Figure 3)
2

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