1) Introducti6n
This manual
covers the ROTAX 4-sroke-, 4
cylinder aircraft engine 912.
The
manual
has
been
prepared
as a
guide
to help
you
to
service
and
repair
the
ROTAX
engine 912
conectly. It is
supplemented
by
the
corresponding
operator's
manual and a current
spare
parts
list.
For installing engine into
aircraft, consult
the
installation instnrctions
available.
In
the
event of
questions
or
problems, please,
contact
your
local
dealer or
BOMBARDIER-ROTAX,
Austria.
The Rotax
design
incorporates
the latest
technical development. We reserve
the
right
to
make
modifications
without
prior
notice
in
the
case of further
developments.
This manual
emphasizespaflicularinformation
denoted by the followingwordingorsymbols.
A
WARNING: Identifies
an
instruction
which,
if not
followed, could cause
personal
injury.
I ATTENTION:
Denotes
an instruction which, if not followed,
could
severely damage
englne components.
I NOTE: Indicates
supplementary information needed
to fully
complete an instruc-
tion.
Although
the
mere
reading
of such
information
does
not
eliminate the
hazard,
your
understand-
ing
of the
information
will
promote
its correct
use.
1.1) Engine
number
On
inquiries
and spare
part
orders
always
state engine
number,
because of
possible
running
changes. The
engine number is located
opposite electric
starter on
ignition
cover.
1.2)
General
notes
Al To
wilrant
proper
repair,
use
genuine
ROTAX
spares only.
It is necessary
to utilize
special
tools,
fixtures
and service
products
(see
chapters 3.2 and 3.3).
AI Repair
work
to be canied out
by
skilled
persons
only.
Al
Use only clean
screws and
nuts
and check
face
of
nut
and thread
for
damage.
If
doubtful"
renew.
f
Once loosened, renew
self-securing nuts.
I
Always
meet
the specified tightening torques
(chapter
8).
I
At
re-assembly
rcnew
all sealing
rings,
gaskets,
securing rings,
O-rings and oil seals.
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