Singer 270 - Singer Service Manual Tripping Linkage Adjustments; Tripping points

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Fig. 1 6. A djusting the Tripping Link age
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T RIPPING L IHKAGE
CHE OC:
Tripping roc k shah support, Fig . 16, should be
posit ion ed to hold rock sha ft without binding.
SE TT ING:
L
oosen set sc r ew shown in Fig. 16 an d pos iti on
suppor t as re<J,~i r ed.
Tight en set screw a nd chec k for binding.
fig . 17. Lev er r es ting on Tri pping Po i nt
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CH E CIC:
Turn m ach i ne pulle y ove r t ow ar d ope r ato r unt il
r ock sh aft l ever r ests on tr i pp ing p oi nt a s sh own in
f ig. 1 7.
At this po sit ion, bell crank pawl sho uld li ft o ut
of not ch es in be ll cran k for enough for ma ch i ne to
m ov e into " stop " wh en a ctuated by tripp ing point on
feed co m os shown in Fig. 17.
SETTING:
Wit h rock sha ft lev er r est i ng on tripping po i nt ,
l oose n r oc k sh af t pi nch sc r ew wit h so c ke t wrench a s
shown in Fig. 16.
Usi ng sock et wrench as o lev er, in pinch scr ew,
swing wrench f or ward { towar d face pl ate) to re m ove
ploy in co n nec ting rod an d ALSO to ra i se po in t of
be ll cra nk pawl app ro·ximo te ly . 020 inch above top of
'" coost " n otch in b el l crank a s shown in Fig. 16.
S ec ur ely tig ht en pinch sc r ew and chec k a dju st m ent .