Sewing; Checking The Needle Drop Position - Brother BM-917B Instruction Manual

9. SEWING

Attach all safety devices before using the sewing
machine. If the machine is used without these
devices attached, injury may result.
Turn off the power switch at the following times. The
machine may operate if the pedal is pressed by
mistake, which could result in injury.
When threading the needle
!
When checking the needle drop position
!
When replacing the needle
!
When not using the machine and when leaving the
!
machine unattended
* The motor will keep turning even after the power is
switched off as a result of the motor's inertia. Wait
until the motor stops fully before starting work.

9-1. Checking the needle drop position

Before carrying out actual sewing, operate the sewing machine manually and check that the needle drops into the center of the
button thread holes.
9-2. Sewing
1. Turn on the power switch.
2. Set the material in place.
3. Depress the pedal to start the sewing machine.
4. Release the pedal quickly.
The button will be attached, after the thread is trimmed, and then the presser arm will lift up and the sewing machine will
stop.
CAUTION
When turning the machine pulley by hand in order to
check the needle down position in the hole of the
button, turn the pulley until the needle is at the final
position after one cycle.
If the needle is at a point midway through the cycle
when the power is turned on, the machine will
immediately start operating, which could result in
injury.
Do not touch any of the moving parts or press any
objects against the machine while sewing, as this
may result in personal injury or damage to the
machine.
1. Turn off the power switch.
2. Pull the thread out of the needle hole.
3. Set a button in place.
4. Operate the sewing machine manually as described on
page 7 and check the needle drop position.
Once the needle drop position has been checked,
5.
thread the thread through the needle.
<If the needle does not drop into the center of the
button thread holes>
1. Check that the distance between the button thread holes
has been set correctly. (Refer to p.11.)
2. If the needle is not dropping into the center of the button
thread holes, adjust the installation position of the button
clamp.
1994M
(Refer to step 8 in 13-3 on p.25.)
BM-917B, 917C
9. SEWING
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