GENERAL INSTRUCTIONS
FOR BLADE
OR RAM REPLACEMENT
Every day check the condition of blades or
rams,
and corresponding locking pins.
In case
of
unusual wear or breaks, replace the parts immediately.
USE ORIGINAL SPARE PARTS ONLY.
BEFORE
REPLACING ANY PART,
THE MACHINE FROM THE
TRACTOR AND TILT IT FORWARD,
BY
RESTING
IT
ON
THE
COUPLING IF
THE
MACHINE IS
NOT
EQUIPPED WITH BONNET.
Partial replacement:
In addition to the worn-out, broken couple of blades
or
rams, replace the couple of blades
or
rams
diametricallyopposed,
so
as
to maintain the already existingbalancing.
Total replacement:
Light differences in weight
of
the parts
are
acceptable.
Weigh blade
or
ram
units
singularly,
selecting
couples of same weight.
Those
couples shall be mounted on rotor
in
diametrically
opposed
positions.
REPLACE THE SELF-LOCKINGNUTS
IN
ANY CASE
Tighten
M
16
nuts with a
100
Nm
torque wrench setting.
Tighten
M
20 nuts with a 250
Nm
toque wrench setting..
When adjustment has
been
performed,
make
sure
axial
clearance
(
1-2
mm
)
between blades or
rams
and supports
is
still
allowed.
Thus,
to
check
balance,
the
tractor.
By
keeping the machine
raised
from
the
ground,
increase
P.T.O. speed
slowly
up
to get the
rated
speed.
If
repairhas
been
performed correctly, the machine will
run
at its
rated
speed without remarkable vibrations.
Rotor rotation Rotor
rotation
If the machine is equipped with
Y
blades
with
ventilating vanes, consider vane weight too.
If ventilating vanes are fitted,
make sure that
their assembly was performed correctly,
i.e.
correct direction.
(
See the drawing
).
Route of march