Table of Contents
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CHAPTER 1
NAMES OF PARTS AND THEIR FUNCTIONS
1 Thread tree
2 Telescoping thread
3 Presser foot pressure adjustment screw
4 Spool pin
5 Spool cushion
6 Spool support
7 Thread cutter
8 Needle threader change switch
9 Needle threader lever
0 Material plate cover
A Thread guide
B Lower looper thread tension dial
C Upper looper thread tension dial
D Right needle thread tension dial
E Left needle thread tension dial
F Thread take-up cover
G Front cover
H Seam allowance guide
I Knife cover
J Error indicator LED
K LED lamp (inside the lamp cover)
4
L Presser foot lifting lever
M Stitch length adjustment dial
N Main power and light switch
O Foot controller inlet
P Handwheel
Q Differential feed ratio adjustment dial
R Needle clamp screw
S Needles
t Upper knife
U Needle plate
V Presser foot
W Stitch width adjustment dial
X Stitch switching lever
Y Knife lock lever
Z Two-thread-switching plate
[ Upper looper
\ Lower looper
] Upper looper thread insertion hole
^ Lower looper thread insertion hole
a Air threading pushbotton
b Air threading switching lever
* Air openings (6 places)
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