Brother PR1055X Operation Manual page 179

• Do not apply extreme force when loosening or
tightening the needle set screw, otherwise the
machine may be damaged.
With the flat side of the needle toward the back of the
c
machine, insert the needle all the way up until it
touches the needle bar stopper.
Pass the needle through the hole in the presser foot, and
then use the needle changing tool to lift up the needle.
1 Needle bar stopper
2 Needle
3 Flat side of needle
4 Needle changing tool
Hold the needle changing tool and press the end of the
needle changing tool 1 in to extend the needle-
mounting clamp 2. Attach the clamp to the needle, and
then release the pressed area to clamp the needle. To
unclamp the needle, press 1 again.
1 End of the needle changing tool
2 Needle mounting clamp
d While holding the needle in place with your left hand,
tighten the needle set screw.
Use the Allen screwdriver to turn the needle set screw
clockwise.
CAUTION
• Be sure to insert the needle in the needle bar
chamber until it reaches the needle bar
stopper and securely tighten the needle set
screw with the Allen screwdriver, otherwise
the needle may break or the machine may be
damaged.
• If the needle is not fully inserted, the hook of
the automatic needle-threading mechanism
will not pass through the eye of the needle
during automatic needle threading, and the
hook may bend or the needle cannot be
threaded.
• If the hook of the automatic needle-threading
mechanism is bent or damaged, contact your
authorized Brother dealer.
APPENDIX
5
177