Disassembling Of The Needle Selector Unit - Brother Model KH--830 Service Manual

DISASSEMBLING THE NEEDLE SELECTOR UNIT
8.1 RJ.moYe five screws securing the needle selector units on the
center suy and right stay,
and
remoYe both stays.
• When installing the center lily and right stay, they must
be
placed correctly in the oriainal posiliOil$. Therefore, it is
advisable to marie their
politl0111
on both stays with a llotted·
head screwdriver.
8.2 RJ.move three screws securing the card reader apriDJ presser plate,
and the card re.tdor spring preuer plate a11d card reader spring can
be removed.
8.3 Remove two screws securing
tho
'Card reader holder plate, and
pull it out toward you. (Tho card guide pin holder . made of
plastic·
can also
be removed at the same time.)
Also 24 card readm can be pulled out.
8.4 Remove two screws (tosether with washers) on the belt guide
plate (right), and pull out the belt guide plate to the rigltt.
8.S RJ.move the clutch spring.
8 .6 Remove the map ring located under the clutch shift fitted Into
the clutch wheel. Now the wuher, card reader release cam,
clutch
wheel (aet)
and clutch cam A (shaft) can
be
removed . Also
the card feed cam bevel sear stopper plate in
the
needle selector
unl!_can be removed.
8 .7 Remove the card feeding roUer.
8.8 Remove
the
E-eiip 2 located under the card feed knob, and the
card feed !mob
abaft
can
be
pulled out upward. Also
the
Inter·
mitten! feeding lever, chana< lever, intermittent
feedinJ
lever
spring and card
feed knob lock cam
c:ao
be pulled
out
upward.
8.9 RemoYe the step screw from the card feed lever, and the card
feed lever can be removed. Also the card feed adjusting plate can
be puUed out.
8.10 Remove the card reader release spring from the side of card
reader release abaft.
8.11 Remove two screws (rigltt and left) securing the card guide. The
card feed base (left) ca11 be pulled out to the left, and the rigltt
one can be puUed out to the righL
..
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