Mooney M20R - Cabin Door - Maintenance Practices

MOONEY
AIRCRAFT
CORPORATION
M20R
SERVICE:
AND
MAINTENANCE
MANUAL
52-00-00
GENERAL
skin. The door is
placed
into
position
and
hinge
held in
The
cabin
door
is
constructed
of
an
inner and
outer
place
on
its
mounting
plate
by
sealant
and
locator
aluminum shell
fastened
together by
rivets.
It
is
rivets.
~he
number of locator
rivets
may
vary).
These
rivets
will
be underneath
outer
skin. After removal of
provided
with
single
operation
dual
latching
mechanisms,
1)
a
lock
pin
extends
into
a
mating
outer
rivets and
screws,
work
a
putty
knife
or a
thin
receptacle
in
lower door
frame,
and
2)
a
jaw
type
latch
piece
of aluminum between
outer
skin and
hinge
and
clamps
a
special designed
nut
in
upper
door frame
to
between
hinge
and
mounting
plate
from inside
in
order
hold door
securely
in
place.
The door is
hinged
at
the
to
break sealant bond.
During
this
procedure
de~er-
forward
edge by
an
extruded,
aluminum
hinge.
A
guide
mination
can
be made
where locator rivets
are
pssi-
tioned.Locate these rivets
from
inside
and drill bucked
pin
is
in door
assembly
to
assist
in
holding
door
tightly
shut
at
forward,
upper
door
area.
The inner
and
outer
head(s)
carefully.
DO NOT
DRILL
THROUGH OUTER
handle
are
interconnected
by
adjustable
push-pull
SKIN.
Attempt
to
move
door and
hinge
aft and
away
tubes. This
mechanism is
spring
loaded
to
an over
from
attach
point
after
each rivet
stem
is drilled
out.
center
position
in
the
latched
position
for
positive
The door
and
hinge
should
come
free when all
sealant
bond
and rivets
are
removed.
security.
Ad)ustment
for each
push-pull
tube is
provided
to
accurately
rig latching pin
and
jaw
type
latch.
Adjustment
to
the
special
nut at
the
top
of
door
NOTE
frame
can
be made for
proper
closure.
Some
aircraft
may
have
"AN"
bolts instead of
The
baggage
compartment
door is constructed of
an
rivets.
inner and
outer
aluminum
shell fastened
together by
rivets.
It
has dual
pin
latches
that extend into
recep-
2´•
Door
Repair.
tacle
fittings
on
both sides
of
the door
frame
when
ex-
A.
The door should be
repaired,
if
applicable,
ac-
terior handle
is closed
properly.
cording
to
standard
procedures
in
AC
43.13-1(
The
auxiliary
exit handle
is
located inside
baggage
B.
Remove interior
door
panel,
if
necessary,
to
door.
This handle
can
be
operated
from
inside
even
if
repair
door
assembly.
outer
handle
is
locked.
A
cam
mechanism
allows
a
3´• Installation.
clevis
pin
to
bypass
outer
handle latch
groove
and
OLD DOOR
Old
door
can
be
relocated
by using
open
the
two
latching
pins
which hold
baggage
door
existing
holes.
Mounting
plate
should be
thoroughly
closed.
(Refer
to
POH/AFM
Section
III
for
specific
pro-
cleaned of all sealant
and
foreign
material before
cedures
to
operate
auxiliary
exit
handle.)
This door is
reinstallation of door.
hinged
at
the
top
with
an
extruded
piano
type
hinge.
NEW
DOOR
A
new
door
or
hinge
will
require
Hold
open
arms are
attached
on
doors
to
assist in
proper
positioning
of door
to
obtain
proper
sealing.
holding
doors
open.
A.
Place
door,
with
new
hinge,
positioned
be-
A door lock is
provided
for both doors.
A
single
key
tween
outer
skin and
mounting plate.
will
operate
either
door
lock. Interior
panels require
B. When
door is
properly positioned
in
door
removal
if
door
locks
are
to
be removed and
replaced.
f’ame,
mark
new
hinge
for
mounting,
using
existing
holes,
either from
outer
skin locations
or
from
hinge
52-18-00
CABIN DOOR MAINTENANCE
mounting plate
inside
cabin.
PRACTICES
C.
Drill
new
holes in
hinge carefully
while
door
is
1. Removal. The cabin door
may
be removed
to
securely
in
place.
replace
or
repair
door
or
to
replace
a
damaged
hinge.
D.
Remove
door,
deburr
holes and clean shav-
A.
Remove
interior
panel
around forward door
ings
from
area.
frame.
B. Remove hold
open
arm
at
door frame. Remove
NOTE
cotter
pin
and washers
from
hold
open
arm
shaft.
Pull
The rivets
and rivet holes
originally
used
as
shaft
up
from
doubler
plate
and clear of door frame.
locators
do
not
have
to
be
utilized
when
installing
C. Remove
eight
(8)
screws
from
outside
airplane
a new
door
or
hinge
if
proper
alignment
can
be
that
hold
front
portion
of
hinge
in
place.
There
are
also
obtained
using
another method.
three
(3)
flush rivets that
will
require
removal
at
this
location.
E.
Apply
sealant,
PR1428-B,
or
equivalent,
be-
D.
Carefully
drill
center
of rivet head
with
a
1/8th
tween outer
skin
and
hinge
support
plate
on
tubular
inch drill bit until
head
pops
off and rivet
stem
can
be
structure.
punched
out.
F.
Reinstall door
hinge
to
mounting plate
using
The
original
door
assembly,
with
hinge
attached,
is
as-
eight
(8)
flat head
screws
removed
earlier
and three
(3)
semblec8
Its
door frame
prior
to
Installation of
outer
flat
head,
AD4
standard
(AD5
oversize)
rivets.
52-80-08
Island Enterprises