ECODRILL 2000 C/E
Operating manual - English
32
8.6.5
Replacing the central jaw
1) Loosen the 2 screws (P2) (fig. 38).
2) remove the existing jaw (J1) and install the new one in its seat. Align the front with the bar provided,
then tighten the 2 screws (P2).
3) check alignment by fitting the 2 gauging pins into the spindles.
4) take the pins into contact with the left- and right-hand inner sides of the central jaw and the right-hand
or left-hand jaw.
5) if alignment is not good:
For the right-hand jaw:
a) loosen the 2 screws (Z1), the 2 grub screws (Z2) and register the 2 grub screws (Z3) until
the distance is correct (chap.8.6.2, page 29).
b) tighten the 2 grub screws (Z2) and the 2 screws (Z1).
For the left-hand jaw:
a) loosen the 2 screws (R1), the 2 grub screws (R2) and register the 2 grub screws (R3) until
the distance is correct (chap.8.6.1, page 28).
b) tighten the 2 grub screws (R2) and the 2 screws (R1).
6) check the front alignment: lower the lever (I) and take the pins into contact with the front side of the
central jaw and the right-hand or the left-hand jaw (fig. 38).
7) if the alignment is not correct (no contact with one of the sides) adjust the central jaw:
a) loosen the 2 screws (P2) and move manually the central jaw until they are properly gauged;
b) tighten the 2 screws (P2).
Fig. 37
Fig. 38
J1
P2
