Pfaff coverlock 4850 Owner's Manual - Page 37
measured, actiuns.
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cetting the seam wrdth T'P iqurert .eam width can he adjusted inywhere b3tween 3 5 and 6 mm by turn np the adjusting knob for seam width 13. Th ettrng can be scen through the view ng window 14. hr. two thread chainstit h is a wn with a learance uf 65 to 9 mm. A Hustration A .$ini LU ops or - t it if he workpr ccc, move the irovibic upper 'dade 23 to the dght by turning the scare vidth adjusting knob upwards. tiustration B Should th at tchinq be too right move the movible upper Ilade 23 to the left by turning th sa am width djustr g knob downwards. 1,5 rinif tbinrn - mm hOme - Note: The top row of numbers on the dial refers to the seam width of a standard 3 thread over dge seam, The width settmgs iS mm through 60 mm are measured from needle Ri to the uter fabric dge. This width is decreased by 2.0 mm when only usrng needle P2, i. e you nave a main width that is omdetely adjustable from 1.5 mm to 4.0 run fle tottoin ow of numbers efers to the seam of the 4 or Sahread safety titch 'earn. Ihe wdth settings 6.5 nm through 9 mm ire measured from needle L2 o rhe enter fabric 'km. Measurements are shown in nitric and Ii actiuns. 33