Mooney M20K - Cowl Flap Indicatoradjustment; Cowl Flap Rigging

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY
AIRCRAFT
CORPORATION
COWL
FLAP
INDICATOR
i
11 /"4~4
2
VIEW
LOOKING
CONSOLE
INBOARD
AT
CENTER
’i/AJ
j
RIGHT
SIDE
CONSOLE
FROM
COWL
FLAP
INDICATOR
RIGGING
COWL
FLAP RIGGING
(25-1000/25-TEA)
FIGURE
71
6
(25-1000MS-TBA)
FIGURE
71
7
71-14-01
COWL FLAP
RIGGING
71-16-00
ENGINE
COWL
FLAP
POSITION
(25-1000
thru
25-TEA)
INDICATOR
(25-2000
thru
25-TEA)
The cowl
flap
is
rigged
for
a
flush
contour
between
the A cowl
flap
position
indicator
is
located
on
the
lower
cowl
flap
trailing
edge
and
cowling,
when
in
the
closed
console
adjacent
to
the
cowl
flap
switch.
This
indicator
position(
Fig.
71-6).
is
operated
eledn~cally
through
a
potentiometer
1, Wdh
cowl
flap
open,
adjust
2
linkage
rods
(1),
Figure
co""ected
to
cowl
flap
actuator
shaft.
71-6,
from idler
arm
to
cowl
flap
to
maximum
length.
71-16-01
COWL FLAP
INDICATOR
ADJUSTMENT
2.
Close
cowl
flap.
Measure
distance
between
cowl
1. Position
cowl
flaps
in
closed
position.
flap
trailing
edge
and
cowling.
2.
Adjust
cowl
flap
potentiometer
on
aircraft,
to
3,
Open
cowl
flap.
Readjust
linkage
rod,
decreasing
illuminate
top
bar in
display.
length by
above
measured
amount.
3.
Position
cowl
ftaps
to
OPEN
position.
4. Close
cowl
flap.
Verify
that
cowl
flap
is
not
outside
4.
Adjust
R1
on
AID
board,
if
necessary,
to
illuminate
cowling
contour
nor
that
cowl
flap
is
preloaded
against
bottom
bar
on
display.
nose
gear
box.
Readjust
as
required.
5.
Repeat
steps
2
through
4,
until
no
further
71-15-00
COWL
FLAP
POSITION
INDICATOR
adjusment
is
required.
(25-1000
thru
25-1999)
6.
Cycle
cowl
flap
system
to
verify
proper
movement
of
indicator.
A cowl
flap
position
indicator is located
on
cockpit
console
directly
under
Flap
Switch.
Indicator
is
operated
by
a
11-20-00
-ENGINE
MOUNTS
cable
connected
to
the
actuator
arm
and
routed
to
a
bellcrank
arm
located
behind
the
console. This
bellcrank
The
M20K
engine
mount
is
a
welded
dyna-focal
bed
arm
is
then
connected
by
another
cable
to the
indicator.
type
mount
assembly
of
chrome-moly,
4130
steel.
The
shock
mounts
are
installed
in
a
specific
sequence
71-15-01
INDICATOR
ADJUSTMENT
for
proper dampening
of
engine
and
propeller
power
(25-1000
thru
25-1999)
pulses.
Effective
production
aircraff
S/N
25-0781
and
1.Position
actuator
and
indicator
in
down
position.
ON
and
for
Spares
replacement
on
prior
aircraft,
(a
complete
set
required)
the
following
sequence
of
2.
Hold
bellcrank
arm
(1)
in
position
shown
in
assembly
must
be
observed:
Fig,71-7;
tighten
both
wire
end
clamps
(2).
i.
Assembly
sequence
for
600376-503,
-505
and
3.
Cycle
cowl
flap
actuation
system
a
minimum
of five
-507
installation.
times
to
verify
free
movement
of
indicator.
Adjust
push-pull
2. All
positions
are
looking
from
cockpit
forward
and
wires
at
bellcrank,
as
necessary
for
proper
indicatortravel.
down
from
top
of
engine.
4.
Install
cotter
pins
in
pivot
nuts.
3. Al
assembly
sequences
are
from
bottom
to
top
of
stack
71-14-01
OLDWILLWAYNE