Rotax 912-UL Repair Manual

6.18.5)
Re-assembly
of
interference
suppression box
Generally in
reversed
sequence
to dis-assembly.
Consult in
any case
the wiring
diagram for
the suppression
box. Apply Lithium
grease
to all cable
connections
to
prevent
leakage
current.
Put
both
electronic
boxes
into interference
suppression
box and
place
foam
rubber
filling
pieces
in
position.
Connect mass
and
primary
wiring
to
ignition
coils. Fit
set
of ignition'coils
into
suppression
box
using
4
countersunk
screws M4x72.
Secure
countersunk
screws with LOCTITE 221.
Arrange
H.V.
leads
according
to wiring
diagram
or
to
code on
suppression
box
cover,
in
bonom
part
of
clip-plate.
Add
top half,
using
3
counter
sunk
screws M4x8,
attach
clip
plate
ass'y by two
cheese-hd. screws M4xl2to
box wall.
Secure
all screws,
using
LOCTITE
221. Attach
H.V. leads
lT
and 38 to ignition
coil
support
by
cable
retaining
straps.
O NOTE:
As
every
suppression
box is numbered
and
essential
data is
registered
under this number, it
should
be stated
on
all
inquiries.
6.18.6) Installation
of
interference
suppression
box
r
For
safety
reasons
don't
ex-
pose
suppression
box to ambi-
ent temperatures
above
60o
C
(140o
F)
and if
possible
attach
by reason
of
vibration
to
air-
craft frame.
If for
space rea-
sons
the
box
must
be
fitted
to
engine, make
absolutely
sure
to
use vibration
absorbing
mountings.
6.18.7)
High voltage
ignition
leads
nut
lPrl
contEcc
d€6va
H.
V. leads
are
cut to length
and
pre-assembled
ar ROTAX.
For
greater
lead
lengths,
the
plug
side
connec-
tion has
to
be
prepared
as shown on
sketch.
Pay
attention to
tight fit of
collets.
The
contact
between
inner
to outer
collet
has
to be
secured
by LOCTITE
648
green.
hlgh voltege
Rm;
912-UL

Rotax 912-UL Specifications

General

Displacement	1211 cc
Bore x Stroke	79.5 mm x 61 mm
Compression Ratio	9.0:1
TBO (Time Between Overhaul)	2000 hours
Engine Type	4-cylinder, 4-stroke
Power Output	80 hp
Cooling System	Liquid/air-cooled
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Oil Capacity	3 liters
Fuel System	2 carburetors
Oil System	Dry sump forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
Max Continuous Power	75 hp (56 kW)