Lycomin 0-360 - Generator or Alternator Drive Belt Tension

TEXTRON
LYCOMING
OPERATOR'S
MANUAL
SECTION
5
0-360
and ASSOCIATED
MODELS
(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,
and
assemble
each
rocker
in its
respective
position
by
placing
rocker
between
bosses
and sliding
valve rocker
shaft in
place
to retain
rocker.
Before
installing
exhaust
valve
rocker,
place
rotator
cap over
end of
exhaust valve
stem.
(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
Service
Instruction
No. 1129
and Service
Letter
No. L160
for methods
of
checking
generator
or
alternator
drive belt tension.
6. TURBOCHARGER
CONTROLS.
a.
Density
Controller.
The
density
controller
is adjusted
at the
factory
to
maintain
a predetermined
constant
for
desired
horsepower.
5-12