WWW.NORAC.CA
PRECISION
DEFINED
Page
9
Visit
www.solutions.norac.ca
for
more
system
installation
and
troubleshooting
info.
5
Hydraulic
Installation
Ensure
all
pressure
has
been
bled
from
the
system
before
disconnecting
any
lines
or
fittings.
Hydraulic
pressure
will
exist
on
the
wing
tilt
circuits
unless
the
wings
are
being
supported
by
other
means.
The
hydraulic
installation
may
be
performed
with
the
wings
in
transport
position,
resting
on
the
ground
or
with
the
tilt
cylinders
fully
extended.
Component
failure
due
to
oil
contamination
is
not
covered
under
the
NORAC
system
warranty.
It
is
recommended
that
a
qualified
technician
perform
the
hydraulic
installation.
5.1.
Expansion
Block
Assembly
1.
Remove
the
four
4MBP
plugs
from
the
3
station
valve
block
(Figure
4).
2.
Coat
the
four
o
‐
rings
in
hydraulic
oil
and
install
them
into
the
expansion
block.
Ensure
the
o
‐
rings
are
seated
properly.
3.
Attach
the
expansion
block
to
the
3
station
block
using
the
included
spring
washers
and
bolts.
4.
Tighten
the
bolts
to
31
ft
‐
lbs
(42
Nm).
Figure
4:
NORAC
Expansion
Block
Assembly
