JUKI MS-3580 Serie Manual De Instrucciones página 111

9
!0
!3
!4
6
1
Standard clearance
toward the throat plate
Right and left directions
(3) Clearance adjustment between upper feed roller and throat plate
If the adjusted standard clearance is not correct, loosen two setscrews !0 . Raise pressing shaft 4 to place a
1)
clearance gauge between the top face of throat plate 2 and the bottom of upper feeder roller 1 . Then, lower
pressing shaft 4 .
Tighten two setscrews !0 while keeping the bottom face of roller bar guide plate !1 rest on the top face of lateral
2)
guide plate !2 .
In the state as seen from behind, confi rm that the vertical clearance of the upper feed roller 1 is maintained at the
3)
standard level in conjunction with the throat plate 2 .
4) In the state as seen from behind, confi rm that the front and rear right/left clearances on the right side of the upper
feed roller 1 are uniformly maintained in conjunction with the feed dog 3 .
The right/left clearance between the upper feed roller 1 and the feed dog 3 shall be confi rmed while
the feed dog 3 is positioned at the highest level.
(4) Adjustment of parallelism between upper feed roller and feed dog
Loosen setscrews !0 . Turning pressing shaft 4 clockwise or counterclockwise, check to be sure that an equal clearance is
provided between upper feed roller 1 and the front, rear, right and left sides of feed dog 3 . Then, tighten setscrews !0 .
(5) Adjustment to eliminate right and left rattling in the upper feed roller
If there is a lateral play in upper feed roller 1 , loosen setscrews !3 and adjust so that roller bar guide plate !1 is securely
held with right and left guide plates !4 , while eliminating the lateral play. Then, tighten setscrews !3 .
Vertical direction
!1
!2
4
2
!0
!3
− 39 −
5
!1
!2
8
7
Frame shaft hole
of the upper feed
roller
1