Mooney M20K - General; Main Frame; Tubular Structure Frame; Tailcone Structure

IVIOONFI
AIRCRAFT
CORPORATION
M20K
SERVICE
AND
MAINTENANCE MANUAL
53-00-00
GENERAL
The
forward cabin
enclosure
and the tancone
are
The
Mooney
M20K
forward
fuselage
is constructed
mated
and this
fuselage
assembly
advances down the
from
4130
chrome
molybdenum
tubular
steel.
The
production
line
to
the
point
of
mating
with the
wing
and
tubular
steel
sub-assemblies
are
heliarc welded
in fDc-
the
empennage
assemblies.
tures,
inspected
and
then
assembled
into the
main
53-10-00
MAIN
FRAME
cabin
fb(ture
and
heliarc
welded
into
a
cabin
enclosure.
53-10-01
TUBULAR
STRUCTURE
FRAME
The
assembled
steel
structure
is sand blasted
and
painted
with
epoxy
pn’mer
for
corrosion
protection.
The
basic cabin
enclosure
is
shown
in
(Figure
53-1).
Sen’al
No.
25-0002
thru
25-0246
have
a
windshield
Earlier
aircraft
had the
tubular
structure
dipped
in
zinc
chromate
primer
after sand
blasting,
frame
that
will
not
accept
the
radar
display
unit.
S/N
The
tailcone
bulkheads, forners, etc.,
are
formed from
25-0001,
25-0247
thru
25-TEA
have
had the
wishbone
sheet
aluminum
on
a
hydro
press
or
drop
hammer
at
subassembly
(1)
changed
to
allow
this unit
to
be
in-
Mooney
Aircraft
Corporation.
These
components,
Stalled.
along
with
stringers,
clips,
brackets,
etc.,
are as-
53´•10-02
TAILCONE
STRUCTURE
sembled
together
on
a
fixture
and built
into
the aft
The
tailcone
is of
semi-monocoque
construction.
The
fuselage
assembly.
Al air
ducts,
control
brackets,
intemal
structure
is
shown
on
(Figure
53-2).
The for-
electrical
harnesses
and
antennas
are
assembled
into
ward
cabin
structure
(1)
is
bolted to
tailcone
with
struc-
the
tailcone
during
this
manufacturing
stage.
tural bolts.
The tailcone
skin
(2)
is
an
integral
load
SMJK53-1
TUBULAR
STRUCTURE
FRAME
FIGURE
53
1
53-00-00
OLDWILLWAYNE