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168.120
168.12000
158.12020
168.121
168.12250
158,12260
168.220
Zigzag Synchrenixati_n
Set stitch width control at maximum Turntn| the
handwl_eJ, checx and see if the needle side motion
on the standard plone (0.0,194'_ch above the upper
surface of the ntedJe pJase)at both needle posJUonl
come within the enlOneerln| limit of 0.0131 inch. If
not. Ioo_n set so_w 42) on the worm gear either
dire_on. TIl_ten the screw ,2) securely after
ad.hlsunent.
,|
i" q
' 12
e OO_3e 030_'_'i
.#
tj ;. I
FIGUItE H-_ -
\
$_, S*,chinS
Set ititcll lfld_ control lit O,Andhun UseJlald-
wheel tow_rda;you. ;t the need;e i,alnp ,t taJa
settln4, lo_en |¢r_ (1) I_d adjust thaipmPition
o( z_z_ stopper Ine/the: cUrecUontoms/nta/n
pet/eet strsqlht IutehJnlr. T_bten the |crew
securely after adJu4tment.
FIGURE 1.1