Table of Contents
Advertisement
25. ADJUSTING THE NEEDLE STOP POSITION
WARNING:
To avoid possible personal injury due to abrupt start of the machine, turn off the power to the machine
and check to be sure that the motor has totally stopped rotating in prior.
26. COUNTER KNIFE
(1) Stop position after thread trimming
1) The standard needle stop position is obtained by
aligning red marker dot
white marker dot
2) Stop the needle in its highest position, and loosen
screw
1
to perform adjustment within the slot of
the screw.
1 The needle stop timing is advanced if you move
the screw in direction
2 The needle stop timing is delayed if you move the
screw in direction .
Do not operate the machine with
screw
screw, and do not remove it.
(2) Lower stop position
1) The lower needle stop position when the pedal is
returned to the neutral position after the front part
of the pedal is depressed can be adjusted as
follows: Stop needle
loosen screw
2
the slot of the screw. Moving the screw in direction
A
advances the needle stop timing. Moving the
screw in direction
Do not operate the machine with screw
2
loosened. Just loosen the screw, and
do not remove it.
When the knife sharpness has deteriorated, re-sharpen
counter knife
1
as illustrated in
reinstall it.
1) If the mounting position of the counter knife is moved
in direction
A
from the standard mounting position,
the thread length after thread trimming will be
increased accordingly.
2) If the mounting position is moved in direction
thread length will be decreased accordingly.
When re-sharpening the knife
blade, extra special care must be
taken on the handling of the knife.
-11-
A
on the machine arm with
B
on the hand wheel.
C
.
1
loosened. Just loosen the
1
in its lowest position,
, and make adjustment within
B
delays the timing.
C
, and properly
B
, the
Hide quick links:
Advertisement
Table of Contents
