Janome 1200D Manual page 29

CHAIN LOOPER : ANGULAR POSITION - CLEARANCE - ORBITAL
TIMING - CLEARANCE OF CHAIN NEEDLES GUARD
11a
L2
1.5~1.8mm
L0
e
f
d
a
c
Fig.2
Fig.1
L0 L2
Motion
Fig.3
0~0.1mm
1.0~2.0mm
f
e
Fig.4 Fig.5
27