Textron Lycoming IO-540 Series User Manual

TEXTRON
LYCOMING
OPERATOR'S
MANUAL
0-540
&
10-540
SERIES
SECTION
5
CAUTION
Do
not
rotate
the
magneto
or
engine
with
the
timing
pin
inserted
into
the
magneto
distributor
block.
This
could
cause
damage
to
the
internal
com-
ponents
of the
magneto.
(4)
Remove
the
timing
pin
from
the
distributor
block.
(5)
Repeat
steps
2,
3, 4
for
the
right
(plain)
magneto.
WARNING
Do not
attach
harness
spark
plug
ends
to
the
spark
plugs
until
all magneto-
to-engine
timing
procedures
and
magneto-to-switch
connections
are
entirely
completed.
(6)
Attach
a timing
light
to
the
magneto
condenser
stud
according
to
the
timing
light
manufacturer's
instructions.
(7) Rotate
the
magneto
assembly
in
the
direction
of
rotor
rotation
until
the
timing
light
comes
on.
If
the
light
is on
initially,
rotation
of
the
magneto
is
not
required.
This
indicates
the
breaker
points
are
closed.
(8)
Slowly
rotate
the
magneto
assembly
in
the
opposite
direction,
until
the
light
goes
out
or
the
breaker
points
open.
(9)
Alternately
tighten
the
magneto
mounting
nut
clamps
to
8 lbs-ft.
torque.
Continue
to
tighten
both
nuts
alternately,
in
several
steps,
to 17
lbs-ft.
torque.
(10)
Repeat
steps
6
thru
9
for
the
second
magneto.
(11)
Rotate
the
engine
approximately
10
°
opposite
to
the
normal
rota-
tional
direction.
The
timing
lights
should
light.
Slowly
(bump)
rotate
the
engine
in
the
normal
direction
until
the
timing
lights
go
out.
Both
lights
should
go
out
within
+
1
°
of
the
designated
timing
mark
on
ring
gear
with
the
dot
on
the
starter
housing
as referenced
in
step
1.
(12)
Repeat
steps
6
thru
10
until
the
condition
described
in
step
11
is
satisfied.
5-7

Textron Lycoming IO-540 Series Specifications

General

Brand	Textron
Model	Lycoming IO-540 Series
Category	Engine
Language	English