Installing The Blade Discs; Removing The Counter-Blade; Installing The Counter-Blade - Viking GB 460 C Instruction Manual

12.4 Installing the blade discs

Risk of injury!
Always wear gloves.
Observe the specified
tightening torque of
36 - 44 Nm when tightening the
blade fastening screw, as the
secure attachment of the two blade
discs depends on this. Before
attaching the two blade discs,
check to see that they are OK and
not bent and the blades have no
notches, cracks or pieces chipped
out.
Observe the wear limits of the
blades. ( 12.9)
Both blade discs must always be
installed.
Carry out each assembly step from
1 to 5.
Clean the two blade discs and the
blade disc mounting on the
machine before installing.
Furthermore, ensure that the
feather key is inserted in the blade
shaft.
1. Insert the hard material blade disc
(Figure A)
● Insert the hard material blade disc (1)
with the three fitted blades facing
upwards.
Allow the rectangular blade
mounting (2) of the blade disc to
engage in the rectangular mounting (3)
in the bearing ring.
0478 216 9905 D - EN
2. Install the blade holder with the
clamping ring (Figure A):
25
Position the notch in the clamping
ring at the corner of the blade so
that the clamping ring lies flat on
the blade disc.
● Place the clamping ring (4) onto the
blade disc (notch in the clamping ring
must enclose the blade).
● Push the blade holder (5) onto the drive
shaft (6). Make sure that the blade
holder engages in the blade disc (1)
and drops down in the clamping ring (4)
as far as possible.
3. Install the insert (Figure A):
The insert can only be installed as
shown. It cannot be inserted in any
other position.
● Install the insert (7) as shown.
● Screw in the screws (8) and tighten to
33 - 37 Nm.
4. Insert the soft material blade disc
and wing blade (Figure B):
● Insert the soft material blade disc (9)
with the four fitted blades facing
upwards.
Always insert the longer wing blade
of the two first. Then insert the
second wing blade at 90° to the first
wing blade.
● Insert the long wing blade (10). Insert
the short wing blade (11) at 90° to the
long wing blade.
5. Fasten the blade discs (Figure B):
● Attach the clamping ring (12) and
tighten together with the lock
washer (13) and the blade fastening
screw (14).
● Position the assembly tool (15) on the
blade fastening screw (14) and turn
clockwise slowly and carefully until the
blade discs are stopped by the stop.
Detach the assembly tool (15).
Risk of injury:
The blade cover must always be
attached in order to tighten the
blade fastening screw (see
view Z).
● Install the blade cover. (
● Insert the assembly tool (15) into the
bore of the blade cover (16) and
position on the blade fastening
screw (14).
● Tighten the blade fastening screw (14)
to 36 - 44 Nm.
● Install the feed chute ATO 400. (

12.5 Removing the counter-blade

Risk of injury:
Always wear thick
gloves.
● Remove the feed chute ATO 400 and
the blade cover. ( 12.2), (
● Unscrew and remove the screw (1).
● Remove the counter-blade (2) from
above.

12.6 Installing the counter-blade

Risk of injury:
Always wear thick
gloves.
7.4)
7.5)
26
7.3)
27
63