Mooney M20K - Page 225

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONC/
AIRCRAFT
CORPORATION
WET
PRIMER
100"
CONICAL
WASHER
.070
1
.7s
yyE
LDK~
AS
SKIN
AlJcLE BDIKi
SPUCED
DOUBLER
1
SUBSTRUCTURE
SCARF
EDGES
NEM
OVERSIZE
RIVET
SM51-14
OVERSIZE
HOLE
FIGURE
51-14
SPAR
REPAIR
(STA.
9.0
8
OUTED.)-
FIGURE
51-15
51-14-02
MAIN SPAR
REPAIR
OUTBOARD
OF
STA, 9.00
Repair
damage
to
the
hon’zontal
stabilizer
main
spar
by
Pn’me
splice
angle
before
riveting
it
to
spar.
Pick
up
straightening
the
damaged
area
and
inspecting
it
five
e~a’sting
n’vet
holes
and
drill
six
new
holes between
carefully
for
cracks.
If
cracks
are
formed,
stop
dn’ll
or
existing
rivet
holes
in the
skin
at
each
side
of the
damaged
area.
Install
22
AD4
rivets
through
splice
remove
cracked
area,
angle
and
skin,
and
22 AD4
rivets
through
splice
angle
i.
Repair
damage
between
STA 9.00
and STA
34.0
and
spar
web.
(See
Figure
51-15).
on
the
spar upper
flange,
and between
STA
9.00
and
STA
40.0
on
the
spar
Ibwer
flange
with
a
splice
angle
2.
Repair
main
spar
cap
damage
between
STA
34
formed
from.070
AISI
4130
steel,
condition
N.
The
and
STA´•48.5
by
forming
a
splice
angle
from
3/4
inch
splice
angle
flanges
must
be
as
wide
as
the
on’ginal
by
314
inch .050
2024-T3
sheet
aluminum.
Pick
up
five
spar
flanges,
The
splice
angle
must
be
long
enough
to
existing
holes and
dn’ll
six
new
rivet
holes
between
Install
11
AD4 n’vets
through
the
skin
and 11 n~vets
existing
holes in
the
skin
on
each side
of
damaged
area.
Install
11 AD4
rivets
through
angle
and skin
and
through
the
spar
web
on
each side
of
the
damaged
10
AD4
rivets
through
angle
and
web
on
each
side
of
area
(see
Figure
51-i15).
the
damaged
area.
(See
Figure
51-15).
4
(4
MIN.
PER
SIDE>
4
.040
(3
MIN,
PER
SIDE)
Lt~
.040
oo‘o
oc::o
ooo~l
o
o
o
o
CR 2248
CHERRY
LDCK
.040
2024f-3
CLAD
<4
MIN. PER
SIDE>
SH5~-16
SPAR
REPAIR
(STA.
48.5
APPROX.)-
FIGURE
51-16
51-14-02
16
OLDWILLWAYNE