JUKI MF-7800D Series, Руководство инженера

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3. Adjusting the lateral position of the feed dog
(1) Loosen setscrew in rocking bar presser, right , and loosen
setscrews in rocking bar presser, left .
(Caution) When adjusting, perform the lateral adjustment with the
throat plate installed.
(2) When loosening setscrews and in the rocking bar pressers,
right and left, the adjustment of main feed rocking bar and
differential feed rocking bar in the lateral direction can be
performed. Adjust rocking bars and so that clearances A
provided between the throat plate and the feed dog are parallel and
equal.
(3) After clearances A provided between the throat plate and the feed
dog are adjusted to be parallel and equal, fix the rocking bar pressers
with setscrew in rocking bar presser, right and setscrews in
rocking bar presser, left .
(Caution) After fixing rocking bar pressers, right and left ,
check that main feed rocking bar and differential feed
rocking bar smoothly move in the longitudinal
direction.
When they do not move well, loosen again setscrews
and in the rocking bar pressers, right and left ,
and perform the adjustment.
o When the lateral position of the
rocking bars is incorrect, worn-
out of throat plate and feed dog
will be caused.
o When the rocking bars do not
move well in the longitudinal
direction, heating or abnormal
noise will be caused.
o The feed components will wear
out early, or the looseness will be
caused.
Adjustment Procedure Results of Improper Adjustment