PREFACE
The engineer's manual is written for the technical personnel who are responsible for the service and maintenance of the
sewing machines. This manual presents detailed explanation
of
the adjusting procedures, etc. which are not covered by
the INSTRUCTION
MANUAL
intended for the maintenance personneland operators at a garment factory.
It is advisable to use this engineer's manual is combination with the pertinent INSTRUCTION
MANUAL
and PARTS
LIST when servicing the sewing machines
of
these models.
OPERATION
PRECAUTIONS
Z Oo
not
put
your
(irsgers
into
the
thread
take-up
cover
while
(he
machine
is
operating.
4.
During
operation,
be
careful
not to allow
your
or any
Other person's head or hands to come close to the
handwheel,
V
bell,
bobbin
winder
or
motor.
Also, do
not place anything close to them. Doing so may be
dangerous.
i 1_
6. To achieve
security,
be
sure
that
the
power
supply
earth
wire has
been
connected
before
ope'ating
the
sewing
machine.
1. Keep hands away from (he needle when the
power switch is turned ON or while the machine it
operating.
3. Be sure to
turn
the
power
switch OFF
before
tilling
the
machine
head
or
removing
the V
belt
S. If
your
machine
is
provided
with
a belt
cover,
finger
guard
or
any
other
protectors,
do
not
operate
your
machine
with
any
of
them
removed.
7. No
motor
sound
is
heard
when
the
sewing
machine
is
not
operating.
So. do
not
forget
to
turn
the
power
OFF
at
the
end
of
work.
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