Adjustment Procedures
1)
Loosen the setscrew in the feed bar guide B.
Refer to "(33) Adjusting the feed bar guides A and
B".
2) Remove the top cover and loosen setscrew O
in
the top feed
arm
C.
Refer to (30) Adjusting the longitudinal position of the top feed
dog.
3) Loosen the setscrews in thrust collars 8 located
on
the both
sides of the horizontal shaft and move the set of horizontal
shaft, top feed
bar
and top feed dog to
the
predetermined
position in the thrust direction (direction you desire to adjust
the position). Then fix two thrust collars
Oat
the position.
(Reference) When loosening the setscrews in thrust collars
8,
do not simultaneously loosen the two setscrews. First,
loosen thrust collar 8 on the side
of
moving direction and
fix
it
at the predetermined position. In the state
of
pressing
it
in the direction, check that contact at the lateral position
or at the top feed mechanism does not occur. After the
checking, move and
.fix
the remaining thrust collar
e.
The
aforementioned procedure can perform good adjustment.
4)
Tighten
the
respective
setscrews
by
reversing
the
aforementioned order and perform the adjustment.
-51
-
Results of Improper Adjustment
o
Excessive
move
in
both
directions of cloth base side and
handwheel side produces
the
contact of top feed bar with the
respective sections of top feed
mechanism.
(Fully
check
the
change
of
torque, engagement,
or
noise at
the time of adjustment.)
Ii
I
ll
j
I
~
'I
~
I
~
11
r
To Next Page
Loading...
