Inspection Of Needle Selector Functions - Brother Model KH--830 Service Manual

INSPECTION OF NEEDLE SELECT OR FUNCTIONS
Function Standards How to check
-··
Hand·operated
card feed·
I. That if the card feed knob is pushed down , then
I . Make sure by pushing down the card feed knob.
ing the gear
will be
engaged.
2 . That when the card feed knob is p~ed down, 2. Malee sure at the same time that you make sure of
ca.rd readen come off completely from cards and (I).
the rotacy cam.
3. That the card feed knob turns moothly. 3. lnaert tho card
and~«
if it Is feedcd.
4 . That click stop of the card roller shaft functions 4 . Make sure at the
Arne
time that you make sure
accurately. of(3).
'
Automatic card feeding & I . That card readers come off completely from the I. Make sure of (I)- (4) by turning the clutch wheel
clutch function at a time card roller and rotll}' cam.
:
by hand. (Tactile impression and visual obterva·
when roution ciirKtion of
lion.)
clutch wheel is changed. 2. That the feed of card roller by meant of the
.
Jatdtet is made accurately.
'..~
3. That after the above-mentioned actions, the clutch
wheel gets into free rotation.
4. That the clutch wheel rums smoothly.
Switching of card stop I. That
the card stop lover can
be
switched smoothJy.
I.
Make
sure by awitching tho card stop lover by
lever hand .
Engaging of clutch wheel I. That the clutch wheel and rotary cam are engaged I. Vlsual observation.
and rotacy cam
with each other in a correct pocltion.
.•
..
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