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
repair
has
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
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