Brother International BAS-416 Service Manual - Page 21

Caution

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3. Parts replacement and adjustment A CAUTION A This sewing machine should only be used by operators who have received the necessary If the power switch needs to be left on when carrying out some adjustment, be training in safe use beforehand. extremely careful to observe all safety precautions. 0 The sewing machine weighs more than 195 kg. The installation should be carried out by two or more people. 0 Use only the proper replacement parts as specified by Brother. 0 Turn off the power switch and disconnect the power cord from the wall outlet at the If any safety devices have been removed, be absolutely sure to re-install them to their following times, otherwise the machine original positions and check that they may operate if the start switch is pressed by operate correctly before using the machine. mistake, which could result in injury. .When carrying out inspection, adjustment and maintenace .When replacing consumable parts such as the rotary hook and knife Any problems in machine operation which result from unauthorized modifications to the machine will not be covered by the warranty. 3-1. Replacing and adjusting the machine head OP co deb a '') 4 arm pulley NOTE Be sure to remove all connectors attached to the machine head except for those for the feed mechanism. 1. Remove the screws, and belt covers B 0 and A @. 2. Remove the screw, and the motor cover ® attached to the bottom of the table leg. 3. Remove the V belt 0. 4. Loosen the two screws of the rotary shaft O of the rotary encoder 0, and remove the screws and the encoder, including the encoder set plate 0, from the arm. 5. Remove the screws from the arm. Remove the sensor circuit board O and the cord holder 0. BAS-401 •412A •416A • FIES-1210AC 14

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3.
Parts
replacement
and
adjustment
A
CAUTION
0
This
sewing
machine
should
only
be
used
by
operators
who
have
received
the
necessary
training
in
safe
use
beforehand.
The
sewing
machine
weighs
more
than
195
kg.
The
installation
should
be
carried
out
by
two
or
more
people.
Turn
off
the
power
switch
and
disconnect
the
power
cord
from
the
wall
outlet
at
the
following
times,
otherwise
the
machine
may
operate
if
the
start
switch
is
pressed
by
mistake,
which
could
result
in
injury.
.When
carrying
out
inspection,
adjustment
and
mai
ntenace
.When
replacing
consumable
parts
such
as
the
rotary
hook
and
knife
A
0
0
If
the
power
switch
needs
to
be
left
on
when
carrying
out
some
adjustment,
be
extremely
careful
to
observe
all
safety
precautions.
Use
only
the
proper
replacement
parts
as
specified
by
Brother.
If
any
safety
devices
have
been
removed,
be
absolutely
sure
to
re
-install
them
to
their
original
positions
and
check
that
they
operate
correctly
before
using
the
machine.
Any
problems
in
machine
operation
which
result
from
unauthorized
modifications
to
the
machine
will
not
be
covered
by
the
warranty.
3-1.
Replacing
and
adjusting
the
machine
head
OP
deb
co
a
arm
‘‘)
4
pulley
NOTE
Be
sure
to
remove
all
connectors
attached
to
the
machine
head
except
for
those
for
the
feed
mechanism.
1.
Remove
the
screws,
and
belt
covers
B
0
and
A
@.
2.
Remove
the
screw,
and
the
motor
cover
®
attached
to
the
bottom
of
the
table
leg.
3.
Remove
the
V
belt
0.
4.
Loosen
the
two
screws
of
the
rotary
shaft
O
of
the
rotary
encoder
0,
and
remove
the
screws
and
the
encoder,
including
the
encoder
set
plate
0,
from
the
arm.
5.
Remove
the
screws
from
the
arm.
Remove
the
sensor
circuit
board
O
and
the
cord
holder
0.
BAS
-401
•412A
•416A
•
FIES-1210AC
14