Mooney M20M - Page 15

SERVICE
AND
MAINTENANCE
MANUAL
M20M
MOONEY
AIRCRAFT
CORPORATION
5-20-00
SCHEDULED
MAINTENANCE
Oxygen
Lines
Use
only
MlL-T-5542
thread
CHECKS
compound
or
TeRon
thread
seal
tape
on
threads
of
Inspection
Intervals.
Perform
a
25,
50,
or
100-hour
valves,
connectors,
fittings,
parts
or
assemblies
which
inspection
of
the
aircraft,
components
and
engine
at
might
come
in contact
with
oxygen.
The
thread
recommended
intervals
as
outlined
in
the
following
comp0u"d
must
be
applied sparingly
to
the
first three
paragraphs.
threads
of
the
male
fitting only.
No
compound
is
to
be
used
on
the
coupling
sleeves
or
on
the
outside
of the
NOTE
tube flares.
Exireme
care
should
be
exercised
to
Aircraft
operated
in
a
salt air
environment
are
prevent
the
contamination
of the
thread
compound
or
considered
high
risk
for
corrosion
damage,
and
teflon
tape
with
oil,
grease
or
other
lubricant.
should be
cleaned
and
inspected
at
more
Fuel,
Hydraulic,
Air,
Oil Lines
Use
"Parker
Thread
frequent
intervals.
Refer
to
AC
43-4.
tube"
or
equivalent
on
male
mings
only.
Apply
5-20-01
INSPECTION
CHECK
POINTS
lubricant,
omitting
the
first
two
threads,
sparingly
and
carefully.
The
general
points
to
be
covered
during
inspection
are
grouped
in
accordance
with the
nature
and
function
of
Engine
Fittings
Use
only
aircraft
engine
oil
to
the
items
discussed.
lubricate
fittings
threaded
directly
to
engine.
Vacuum
Lines
No lubrication
is
to
be
used.
Check
1.
Moving
Parts
shall
be
inspected
and
checked
as
instructions
when
installing
applicable
for:
proper
operation,
security
of
attachment,
ma"ufacturers
sealing,
cleanliness,
lubrication,
servicing,
safetying,
components.
Refer
to
Section
37
for
maintenance
adjustment,
tension, travel,
condition
of
hinges,
p’ocedures
on
vacuum
system.
binding,
excessive
wear,
cracking,
corrosion,
Tapered
Threads
Use
TeRon
Threadseal
Tape.
deformation,
and
any
other
apparent
damage.
(1)
Continue
to
tighten
until
fitting
is
correctly
2.
Metal
Parts
shall
be
inspected
and
checked
as
positioned
but
do
not
overrun
or
backoff.
applicable
for:
security
of
attachment,
condition
of
(2)
If
leaks
are detected,
tighten
one
full
tum
finish
and/or
sealant,
distortion,
fatigue
cracks,
welding
more.
cracks, corrosion,
and
any
other
apparent
damage.
The tubular frame
structure
should
be
inspected during
(3)
If
leaks
persist,
the
parts
should
be
each annual
inspection
for
any
signs
of corrosion
or
disconnected
and
rejected;
replace
with
new
damage.
components.
3.
Fuel,
air,
oil and
hydraulic
oil
lines
and
hoses
shall
5´•
Electrical
wiring
shall
be
checked
as
applicable
be
inspected
as
applicable
for:
cracks,
dents,
kinks,
for:
loose,
corroded,
or
broken
terminals;
chaffed,
deterioration,
obstruction,
chaffing,
improper
bend
broken,
or
worn
insulation;
insecure
installation;
heat
radius,
and insecure
installation.
Replace
or
correct
if
deterioration;
and
any
other
apparent
damage.
any
of
these
conditions exist.
Hose
clamp
installations
6.
Bolts and
nuts
in
critical
areas
shall
be
checked
on
fuel
and
hydraulic
systems
between
systems
or
for:
fretting,
wear,
damage,
stretch,
proper
torque,
between
systems
and the
engine
shall
be
torqued
to
(Figure
5-3)
and
safetying.
25
inch
pounds.
Hose
clamp
installations
on
blast
7.
Filters and
screens
shall
be
removed,
cleaned
and
tubes,
air
ducts,
vacuum
lines,
drain
and
vent
lines
inspected
for
contamination
or
damage
that
would
shall be
torqued
to
15
inch
pounds.
require
replacement.
4.
Pipe
Threads
Tightening
and
torque
procedures.
Lubricate
pipe
threads
as
follows:
TORQUE
VALUES
SEE
FOLLOWING
TABLES
4-99
5-20-00
OLDWILLWAYNE