67
DH4-B981
9. STANDARD ADJUSTMENTS
9-23. Adjusting the position of limit switch L (-52 specifications)
1. Loosen the two bolts
q
.
2. Place the feed movable block
w
and the stop block
e
firmly against each other.
3. Adjust the position of the switch setting plate
u
so that limit switch L
r
turns on when the roller
t
is pressed by
the dog
y
of the feed movable block
w
.
4. Tighten the two bolts
q
.
9-24. Adjusting the position of limit switch R (-52 specifications)
Limit switch R must turn on when the cloth feed bar is at the left setting position.
1. Loosen the two screws
q
.
2. Move the cloth feed bar
w
to the left setting position.
3. Adjust the position of feed bar guide R
u
so that limit switch R
e
turns on when the roller
r
is pressed by the dog
3
y
of cloth feed plate R
t
.
4. Tighten the two screws
q
.
t
w
y
u
q
e
r
u
Limit switch L must turn on when the feed movable block is touching the stopper block.
e
t
w
r
q
y
0997Q
0998Q
