Chapter 1 Getting Ready; Names Of Machine Parts And Their Functions; Machine - Brother SB3150 Operation Manual

Names of Machine Parts and Their Functions

1
Chapter
Names of Machine Parts and Their Functions
The names of the various parts of the machine and their functions are described below. Before using the machine,
carefully read these descriptions to learn the names of the machine parts and their locations.

Machine

■ Front view
d
c
b
a
o
n
m
l
1 Top cover
Open the top cover to place the spool of thread on the spool
pin.
2 Thread guide plate
Pass the thread around the thread guide plate when threading
the upper thread.
3 Bobbin winding thread guide and pretension disk
Pass the thread under this thread guide and around the
pretension disk when winding the bobbin thread.
4 Spool cap
Use the spool cap to hold the spool of thread in place.
5 Spool pin
Place a spool of thread on the spool pin.
6 Bobbin winder
Use the bobbin winder when winding the bobbin.
7 LCD (liquid crystal display)
Settings for the selected stitch and error messages appear in
the LCD. (page B-11)
8 Operation panel
From the operation panel, stitch settings can be selected and
edited, and operations for using the machine can be selected.
(page B-4)
9 Knee lifter mounting slot
Insert the knee lifter into the knee lifter mounting slot.
0 Knee lifter
Use the knee lifter to raise and lower the presser foot.
(page B-44)
A Operation buttons and sewing speed controller
Use these buttons and the slide to operate the machine.
(page B-3)
B Flat bed attachment
Insert the presser foot accessory tray into the accessory
compartment of the flat bed attachment. Remove the flat bed
attachment when sewing cylindrical pieces such as sleeve
cuffs.
B-2
GETTING READY
e
f
g
h
i
j
k
C Thread cutter
Pass the threads through the thread cutter to cut them.
D Needle threader lever
Use the needle threader lever to thread the needle.
E Thread tension dial
(Equipped on some models. Refer to page B-8)
Use the dial to adjust the upper thread tension. (page B-41)
■ Right-side/rear view
a
i
h
f
g
1 Handwheel
Turn the handwheel toward you (counterclockwise) to raise and
lower the needle to sew one stitch.
2 Handle
Carry the machine by its handle when transporting.
3 Presser foot lever
Raise and lower the presser foot lever to raise and lower the
presser foot.
4 Feed dog position switch
Use the feed dog position switch to raise and lower the feed
dogs. (page S-31)
5 Main power switch
Use the main power switch to turn the machine on and off.
6 Power supply jack
Insert the plug on the power supply cord into the power supply
jack.
7 Foot controller
Depress the foot controller to control the speed of the machine.
(page B-37)
8 Air vent
The air vent allows the air surrounding the motor to circulate.
Do not cover the air vent while the machine is being used.
9 Foot controller jack
Insert the plug on the end of the foot controller cable into the
foot controller jack.
c
e