JUKI MOL-254 Engineer's Manual page 123

Adjustment Procedures
1. Loosen the lock nut of rod end
up/down cylinder of loop supply cam
2. Change the length of engagement between the cylinder
rod and the rod end to adjust so that a clearance of 0.2 to
0.5 mm provided between the top surface side of the fork
in rotation center and the bottom surface of the belt loop
is securely obtained at the position where the fork clamps
the belt loop from the loop receiver.
Turning the cylinder clockwise will increase the clearance
provided between the belt loop and the fork, and turning it
counterclockwise will decrease the clearance.
3. Standard length of engagement is 6.7 mm.
assembled in the rod of
.
116
− −
Results of Improper Adjustment
○ Dog ear will result.
○ Delivery of belt loop will be
unstable.