Rotax 503 UL User Manual

NOTE: Prcpeller hub is
rlreaded for
6
x
l/4" 28UNF-
28 bolts
(or
6
x M8).
For
proper
bolts follow
propeller
manufacrurer's
specifi
cations.
A fi[
appropriate
gear
oil cL
5 or cL
6
(refer
technical data section 17) into
gearbox (for
both
posi-
tions of
propoller
shaft, above and
below crankshaft
axis) up
to
lower
oil level
plug.
Securcventplug
with approved
sa-
fety
wire.
LOCTITE
221
0
oil level
plugs
Crarkshaft
p,
t o.
side
NOTE
: Gearbores
for
above
engine
rypes
can
be
fitted.
alternatively
with
prop
shg
below
or
above
crankshaft
axis
(see
ako
paragr.9.1).
9.2) Prefl ight Instructions:
A
lrrgi'rnoN,
es supplied
by rhe tacrory,
irespecrive
whether
gearbox
is
separate
raom
or
rrtted
to engine, there
is no
oil in the
gearbox.
Tightcn
drair
plug,
filt with
specified
oil to
proper
level.
Insta ventplug
and
oil level
screws.
Secure with approved
safety wfue
before
use!
Check rightness
of
bolrs and
nuts.
9.3) Maintenance:
drain
plug
--
Ill.
14
l.
Every l0
operxti
g
hours:
Check
oil
level
on rcspective
oil level
screw arld
securc
again with
wire.
Chang€ oil
after 1st 10 hours
of
opcration.
Check
plopeller
hacking
cleararcc.
At
every oil change
clean magnetic plug.
Chang€
oil
every 100
hours
or every 2
years (which
occurs
hrst).
'
NOTE:
Mounting
and maintenance
opelations
must
b€
done by
skilled
personnol
only.

Rotax 503 UL Specifications

General

Brand	Rotax
Model	503 UL
Category	Engine
Language	English