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9. STANDARD ADJUSTMENTS
RH-981A
63
9-12. Replacing the knife
1. After checking that there is no clearance between the stopper plate (1) and the knife (2), loosen the bolt (3) and
then remove the knife (2).
2. Insert the new knife (2) into the stopper plate (1), and then tighten it with the bolt (3).
Note: For L1 - L4 specifications, secure the stopper plate (1) in the position closest to you (the position
indicated by the dotted lines).
* When replacing the knife (2), make sure that the knife number matches the number for the eyelet shape.
Replace the knife and hammer as a set.
If knives with different numbers are used on the same hammer, accurate cutting will not be possible, and damage
to the knife may result.
9-13. Adjusting the cutting pressure
Adjust the cutting pressure to the minimum pressure that still allows the material to be cut.
* If the knife cutting length is 20 mm, sufficient cutting performance can be obtained with an air pressure of 0.2 MPa.
To adjust the cutting pressure, adjust the air pressure of the knife pressure adjustment regulator (1) which is
mounted underneath the work table.
* If the cutting pressure is increased to more than is
necessary, it will cause the hammer to become worn
or the knife to become damaged.
* If the material cannot be cut cleanly, do not increase
the cutting pressure over the maximum limit. Check
the contact between the knife and the hammer,
while referring to "9-11. Adjusting the contact
between the knife and the hammer".
3091Q
3092Q
(L1 - L4)
3093Q