En
gl
is
h (
G
B)
16
5. Remove the grinder ring (44).
6. Insert the punch (F) into the hole to hold the
impeller to prevent it movement during
dismantling.
7. Remove the screw (188a) including washer (66)
from the shaft end. See fig. 13.
8. Remove the grinder head (45).
Fig. 13
Dismantling the screw and grinder head
9. Tighten the adjusting nut (68) until the
impeller (49) cannot rotate any more.
10. Slacken the adjusting nut (68) by 1/4 turn.
Assembly of grinder system:
1. Fit grinder head (45). The dogs on the back of
the grinder head must engage with the impeller
holes (49).
2. Tighten screw (188a) in the shaft end to a torque
of 20 Nm ± 2. Do not forget the lock washer.
3. Fit grinder ring (44) and turn grinder ring (44)
15 to 20 ° anti-clockwise until it is tightened.
4. Check that the grinder ring does not touch the
grinder head.
5. Tighten screw (188a) to a torque of 16 Nm ± 2.
6. Check that the grinder head rotates freely and
noiselessly.
T
M
02
53
91
28
02