Adjustment gauge of the coverlock 4772
Order number: 93-415 503-21/555
A = Needle bar height (10.3 mm)
B = Presser foot height (4.5 mm)
C = Clearance of upper overedge looper to right needle (4.7 - 5.0 mm)
D = Clearance of lower overedge looper to right needle (3.9 mm)
(Scale with 0.6 mm increment)
E = Height of lower overedge looper (47.6 mm)
F = Clearance of two thread chainstitch looper to needle (2.5 mm)
G = Height of two thread chainstitch looper (65.8 mm)
H = Height of upper overedge looper (10.5 mm)
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