Chapter 1: Names Of Parts And Their Functions - Brother ST4031HD Operation Manual

CHAPTER 1
NAMES OF PARTS AND THEIR FUNCTIONS
1 Thread tree
2 Thread plate
3 Presser foot pressure adjustment screw
4 Spool pin
5 Spool support
6 Thread take-up cover
7 Needles
8 Bed extension
9 Presser foot
0 Material plate cover
A Left needle thread tension dial
B Right needle thread tension dial
C Upper looper thread tension dial
D Lower looper thread tension dial
E Front cover
F Presser foot lifting lever
G Main power and light switch
H Stitch length adjustment dial
4
Inside of the front cover
[Product code: 884-B02]
<B>
<A>
<D>
* The product code is shown on the machine rating plate.
I Hand wheel
J Differential feed ratio adjustment dial
K Stitch width dial
Inside of the front cover
L Thread guide
M Lower looper threading lever
N Thread take up for loopers
O Upper looper
P Upper knife
Q Lower looper
R Stitch finger
S Knife lever
t Front cover compartment
You can hold the included accessories and the
removed stitch finger in this front cover compartment.
<A>: Needle set, <B>: Stitch finger (when removed,
see CHAPTER 5 "Narrow overlock/ Rolled hemming
stitch"), <C>: Tweezers, <D>: Hexagonal driver
* Air openings (on the side and back)
<C>
[Product code: 884-B03]
<B>
<A>
<D>