Mooney M20K - Main Landing Gear Attach Points; Engine Mount Attach Points

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY AIRCRAFT
CORPORATION
The
main
landing
gear
assembly
is
a
welded
heat
treated,
4130
chrome
molybdenum
steel
assembly.
The
leg assembly
(1),Fig.
53-7,
is
supported
at
the
forward
end
by
the
tension
strap
fitting
(2)
attached
to
the
wing
main
spar
assembly
(3) (Figure
53-7
insert)
and
provides
one
of
the
hard
points
for
the main
landing
gear
assembly.
The
leg
assembly
(1)
is
supported
at
the
rear
by
a
bracket
(4)
attached to
the stub
spar
as-
sembly (5).
This
is the
rear
hard
point.
The
main
land-
ing
gear
truss
assembly
(6)
also
attaches
to
the
ten-
sion
strap
fitting
(2)
on
main
spar.
The brass
bearing
(7)
(insert)
should
be
inspected
at
any
scheduled
main-
r
tenance
action for
wear.
Grease
fittings
(8)
are
installed
at
pivot
points
of
main
landing
gear
assembly
for
lubrication
per
Section
5.
(Reference
Figure
53-7).
53-40-04
ENGINE
MOUNT
ATTACH
POINTS
The
engine
mount
is
attached
to
hard
points
built into
4-/
I
the
forward
portion
of tubular
structure.
2
The
upper
hard
points
(1)
(Figure
53-8)
are
for
NAS1304
bolts installed for
tension
loads. The lower
TAILCONE/EMPENNAGE
ATTACH
POINTS
hard
points
(2)
are
for
iittings
outside
the
firewall
which
allow
a
clevis
on
each side
of the
engine
mount
to
be
FIGURE
53
6
attached
for shear
loads.
AN4
bolts
are
used for
this
53-40-03
MAIN
LANDING GEAR
ATTACH
application.
POINTS
S
2
k;
I
i
(HBO*RD
Ij
i
8
3
MAIN LANDING
GEAR
ASSEMBLY
ATTACH
POINTS
ENGINE MOUNT
ATTACH POINTS
FIGURE
53
-7
FIGURE
53 8
53-40-03
OLDWILLWAYNE