~
COVER
CHAIN
BER NINA
®
2500DCET NL NC NR UL LL SSL SL CW
1 4 thread overlock with integrated safety system 2.5 2
2 3 thread super stretch 2.5 1–2
3 3 thread overlock 2.5 2
4 2 thread wrapped overlock 2.5 2
5 3 thread narrow seam 1–1.8 1–2
6 2 thread roll hem 1–1.8 1–2
B 1–6 With woolly nylon or similar decorative threads
C 7 3 thread roll hem 1–1.8 1–2
D 8 3 thread flatlock 2.5 2
E 9 2 thread flatlock 2.5 2
NL NC NR W LL SSL SL CW
10 4 thread cover stitch 3
11 3 thread cover stitch 3
12 3 thread narrow cover stitch 3
G 13 2 thread chain stitch 2.5
14 5 thread top & bottom cover stitch 3–4
H 15 4 thread top & bottom cover stitch 3–4
16 4 thread narrow top & bottom cover stitch 3
A
F
NL = Needle L
NC = Needle C
NR = Needle R
UL = Upper looper
W = Wiper
LL = Lower looper
SSL = Stitch selection lever
SS = Stitch length
CW = Cutting width
Tips:
· Raise the presser foot to release the tensions
when threading or knotting on thread.
· Select position «B» for woolly nylon or similar
decorative threads.
Insert needle L and thread
Insert needle C and thread
Insert needle R and thread
Thread needle L or C
Thread needle L or R
Do not thread needle, remove needle/thread
Thread the upper looper
Thread the lower looper
Thread the lower looper
Move stitch selection lever to overlock
Move stitch selection lever to roll hem
Raise the upper knife and upper knife arm
Attach the cover stitch extension plate
Lower the wiper and finger guard
Press in wiper activating lever
