Nogueira FTN-1900 Manual De Instrucciones página 188

4. Preparation
The figure on the side shows the coupling
7.
arm in the rear position;
Secure the arm (D) in that position using
8.
the tensioner (B). Place the pin and
counter pin (C);
Tighten the tensioner (B) and the jam nut
9.
(A), locking the arm at the rear position.
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Instructions Manual
B
C
A
D