Textron Lycoming IO-540 Series User Manual

TEXTRON
LYCOMING
OPERATOR'S
MANUAL
SECTION
5
0-540
& 10-540
SERIES
CAUTION
After
all
cylinder
base
nuts
have
been
tightened,
remove
any
nicks
in
the
cylinder
fins
by filing
or
burring.
(6) Install
new
shroud
tube
oil seals
on both
ends
of shroud
tube.
Install
shroud
tube and
lock
in place
as
required
for type
of
cylinder.
(7) Assemble
each
push
rod
in its
respective
shroud
tube.
Then
place
rotator
cap
over
end
of exhaust
valve
stem.
Assemble
each
rocker
in
its respective
position
by placing
rocker
between
bosses
and
by
sliding
valve
rocker
shaft
in place
to retain
rocker.
(8)
Be
sure that
the
piston
is
at top
center
of
compression
stroke
and that
both
valves
are
closed.
Check
clearance
between
the
valve
stem
tip and
the
valve
rocker.
In
order
to check
this
clearance,
place
the
thumb
of
one
hand
on
the
valve
rocker
directly
over
the
end
of
the
push
rod
and
push
down
so
as to
compress
the
hydraulic
tappet
spring.
While
holding
the
spring
compressed,
the
valve
clearance
should
be between
.028
and
.080
inch.
If clearance
does
not
come
within
these
limits,
remove
the
push
rod
and
insert
a. longer
or shorter
push
rod,
as
required
to
correct
clearance.
NOTE
Inserting
a longer
push
rod will
decrease
the
valve
clearance
(9) Install
intercylinder
baffles,
rocker
box
covers,
intake
pipes,
rocker
box
drain
tubes and
exhaust
manifold.
5.
GENERATOR
OR
ALTERNATOR
DRIVE
BELT
TENSION.
Check
the
tension
of
a new
belt
25
hours
after
installation.
Refer
to
Ser-
vice
Instruction
No.
1129
for
methods
of
checking
generator
or alternator
drive
belt
tensions.
5-16

Textron Lycoming IO-540 Series Specifications

General

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