Standard Adjustment (Mechanisms) - Brother BAS-705 Instruction Manual

6. STANDARD ADJUSTMENT (MECHANISMS)

6. STANDARD ADJUSTMENT (MECHANISMS)
Maintenance and inspection of the sewing
machine should only be carried out by a qualified
technician.
Ask your Brother dealer or a qualified
electricianto carry out any maintenance and
inspection of the electrical system.
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 maintenance
When replacing consumable parts such
as the rotary hook and knife
Disconnect the air hoses from the air supply
and wait for the needle on the pressure gauge
to drop to "0" before carrying out inspection,
adjustment and repair of any parts which
use the pneumatic equipment.
NOTE Loosen the retracting clamp lever and move the feeder to the right to retract it before adjusting the
mechanisms.
Take extreme care when carrying out adjustments during step operation, as the machine will be operat
ing at this time.
Turn the power off before carrying out any adjustments other than step operation adjustments and
sensor adjustments.
Tighten the clamp levers with a force of only about 100 N (10 kgf);do not put the weight of your body
on the levers when tightening them.
CAUTION
If the power switch and air need to be left
onwhen 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.
loop width
clamp lever
48
retracting
clamp lever
BAS-705