Checking The Carriage Functions - Brother Model KH--830 Service Manual

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CHECKING THE CARRIAGE FUNCTIONS
-1
-
--
-
1.
Change
knob
function
1.1
When the change
knob
is
switched
to
each
position, it
should m ove
smoothly;
t
he right or left
part of
the
connecting plate and the needle selection
switching
cam should
wo
rk without
fail.
2.
MC
cam operating
2.1
When
the
end of the
right or
left
part of
the MC
cam
is pressed fully
d
own
and
then quietly
lifted
with
your finger while keeping
the
MC button
depressed
all the
time,
the
right
and left
parts of the MC cam should return
to
thelt
original
po$ition under
spring
prenure
.
.
-
.
_
..
.
...
--
..
.
·----·-
..
3.
MC
knitting
change cam operation
3.1
The
right and left
parts
of
t
he
MC
cam shou.ld shift without
fail
while the MC button is
kep
t
depressed.
·-·-
4.
Raising cam operation
4.1
When the
end
of the
right or
left
part of
the railing cam
·is
lifted fully with the
stitch
dial at the
0, 5,
or 10 position
and
quietly lowered with
your
finger,
the right
or
left
part of
the raising
cam should
return to
its original position
witho11t
fail
under
spring
presrure.
5.
Needle selection cam
operation
0
5.
1
When
the needle selection cam
is
set
at
..
KC"
,
and when the end
of the rlght
o
r left part of
the needle selection cam is fully lifted
and
then quietly
lowered
wilh
yo
ur
finger,
the cam
$hould
return
to
its original
position
without fail under spring
pressure.
-
··
-
..
·-
,
-
-
·
6.
Tuck
cam operation
6.1
When
the right or left part of the cam button is depressed,
and
when the end of
the
right or left
part of the cam
is
fully
lifted and then
quietly
lowered
with
your
fillger,
the right or
left part of
the t uck cam should return to
its
original
position
witho
ut
fail under
spring
pres$Ute.
6.2
When the cam button is
set
at
plain,
and
when the end of the right
or
left part
of the
tuck
cam
·-
f-·
should return
to
its
original position without fall
under spring
pres:sure.
7.
Ca.
m button unit
fu nction
7.
1
When the cam
button is
shifted
to
"TUCK
right and left," "MC"
,
o
r
"
PART ri&ht and lef
t,"
the
button should
move smoothly
and
the tuck cam, the MC cam and the raising cam should
shift
their places without
fall.
8
.
Holding cam
lover
func.tion
8
.1
When the holding
cam
lever
is shifted
to " H"
or "N", it
should
move smoothly
and
the holding
cam should make accurate ojleration without
fail.
9.
Plain
knitting lever function
9.1
When
the plain knitting lever is thrown rightward
while
pressing
'"TUCK
r
l&ht and left," ..
MC'"
or "PART right
and
left" but to ns, the
le"'r should move smoothly
and
the earn button should
return to its
original
position
without
fail.
-17-

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Model kr-830Model kl-116Model krc-830Model khc-820

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