Superabrasive
User
Manual
Original
Language
Lavina®
25L
‐
X
/
Lavina®
25L
‐
X
‐
HV
1/2015
22
8.8
REPLACING
THE
PLANETARY
DRIVEN
CHAIN
WHEEL
Dismount
the
planetary
chain
and
the
tensioner
and
see
Fig.8.5(MONTING
NEW
PLANETARY
CHAIN).
Dismount
the
tool
holders,
sealers
and
bottom
cover
see
Fig.8.7(TENSIONING
AND
REPLACING
THE
BELTS).
Unscrew
the
cap
that
gives
access
to
the
fastening
bolts
of
the
driven
chain
wheel
(Fig.8.8.1)(Fig.8.8.2).
Roll
the
main
head
to
the
position
when
from
the
hole
of
the
cap
you
see
a
fastening
bolt
of
the
driven
chain
wheel
(Fig.8.8.3).
You
will
need
magnetic
deep
metric
socket
10mm
with
outside
diameter
not
more
than
11/16
in
to
unscrew
the
six
bolts
(Fig.8.8.3)(Fig.8.8.4)
(Fig.8.8.5).
Driven
Chain
Wheel
is
composed
by
two
symmetrical
halfs(Fig.8.8.6).
Mount
on
the
reverse
order.
8.9
REPLACING
THE
PULLEY
UNITS
Dismount
guard,
top
cover,
maintenance
window
chain
tensioner,
driven
chain
wheel,
bottom
cover
and
belts
as
previous
described.
Unscrew
the
four
bolts
of
each
pulley
between
the
base
plate
and
the
motor
base
disc
(Fig.8.9.1)(Fig.8.9.2)
and
dismount
the
pulley
(Fig.8.9.3).
A
seal
(Fig.8.9.4)
should
be
placed
on
top
of
the
pulley
before
mounting.
Figure 8.8.1
Figure 8.8.2
Figure 8.8.3
Figure 8.8.4
Figure 8.8.5
Figure 8.8.6
Figure 8.9.1
Figure 8.9.2
Figure 8.9.3
Figure 8.9.4
