Textron Lycoming IO-540 Series User Manual

TEXTRON
LYCOMING
OPERATOR'S
MANUAL
0-540
& 10-540
SERIES
SECTION
5
(11)
Hold
the magneto
in its No.
1 firing
position
(tooth
in
window
center
and
pointer over
R or
L mark on
rotor)
and install
magneto
to the engine
and
loosely clamp
in
position.
(12) Attach
red
lead
from the
timing
light
to left
switch
adapter
lead,
green lead
of timing
light to
right switch
adapter
lead and
the black
lead
of the
light
to magneto
housing.
(13)
Turn the
entire magneto
in
direction
of rotor
rotation
until the
red timing
light comes
on.
(14)
Rotate the magneto
in the opposite
direction
until the red
light
just
goes off
indicating
left main
breaker
has opened.
Then
evenly
tighten
the
magneto
mounting
clamps.
(15) Back
the engine
up approximately
10
°
and
then carefully
"bump"
the engine
forward
at tie
same time
observing
the
timing lights.
(16) At the
No. 1
firing position
of the
engine,
the red
light should
go
off indicating
left main breaker
opening.
The right main
breaker,
monitored
by the
green light,
must
open within
+ 2 engine
degrees
of the No.
1 firing position.
(17)
Repeat
steps (13)
thru
(15) until
the condition
described
in
paragraph
(16) is obtained.
(18)
Complete
tightening
of the
magneto
securing
clamps
by torque-
ing
to 150 inch
pounds.
(19)
Recheck timing
once more
and if satisfactory
disconnect
timing
light.
Remove
adapter leads.
(20) Reinstall
plugs
in timing
inspection
holes
and torque
to 12 -
15
in. lbs.
5-5

Textron Lycoming IO-540 Series Specifications

General

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