Mooney M20M - Engine Removal

MOONEY
AIRCRAFT CORPORATION
M20M
SERVICE
AND
MAINTENANCE
MANUAL
71-00-00
-GENERAL
71-00-20
ENGINE
INSPECTION
REPAIR
The
M20M
(S/N
27-0001
thru
27-TEA)
have either
a
For
specific
engine
inspection
and
overhaul
TEXTRON-L
ning
TIO-540-AF1A
or
-AF1B
series
instructions,
consult
engine
manufacturer’s
ovemaul
engine
instEilled.
fhis
six
cylinder,
270
H.P.,
fuel
manual
and
service
instructions.
injected engine
has
a
Garrett-Airesearch
variable
wastegate
turbocharger
installed
to
give
level
71
60-30
-ENGINE
INSTALLATION
power
capability
up
to
20,000
feet
density
altitude
and
Reverse
the
engine
removal
procedure
for
installation.
high
altitude
performance
up
to
25,000
feet.
i.
Engine
installation
torque
values
are
as
follows:
71-00-10
ENGINE
REMOVAL
A.
Spark plugs-300
to
420
inch
Ibs.
To
assist
in
installation,
identify
and
tag
each
part
as
it
B. Hose
clamps-i
5
to
25
inch Ibs.
is
removed.
Plug
or
cap
all
lines,
hoses,
and
fittings
as
C.
Engine
shock
mount
bolts-450
to
500
inch Ibs.
they
are
disconnected.
D.
1/4
inch
upper
engine
mount
to
fuselage
i.
Make
sure
that
all
cockpit
switches
are
OFF.
boltsb(0
to
70
inch
Ibs.
2.
Turn fuel
selector valve
OFF.
E. #10-32
lower
engine
mount
attach
block
to
3.
Remove
engine cowling
and
baffles
(See
fuselage-20
to
25
inch
Ibs;
1/4
inch
lower
mount
bolt
SECTION
71-10-00).
torque
is 50-70
inch Ibs.
4. Disconnect
battery
ground
cable.
5.
Remove
propeller
(refer
to
SECTION
61-00-10).
NOTE
Reinstall
engine
shock
mounts
in
same
position
6.
Drain
engine
oil
sump.
as
they
were
originally
installed.
Refer
to
7.
Disconnect
the
following:
paragraph
71-20-00
for
sequence
of
assembly.
A.
Vacuum
lines.
B.
Cabin heat ducts
(at
engine).
2.
Re-inspect
to
see
that:
C.
Fuel
vent
lines
(at firewall).
A.
Propeller
and
spinner
are
properly
torqued.
D. Oil
temperature
bulb.
B.
Engine
mounting
bolts
are
properly
torqued.
E.
Oil
pressure
line.
C.
Engine
controls
are
properly
rigged
and
safetied.
(Recheck
rod-ends for
proper
threadgrip
length.)
F.
Manifold
pressure
line.
D.
Oil drain
plugs
are
tightened
and
safetied.
G.
Cylinder
head
temperature
bulb.
E.
Oil
sump
is
filled
to
ten
quarts.
H.
Breather
hose.
F.
Spark
plugs
are
tight
and
ignition
hamess
is
3.
Disconnect
the
following
control
linkage:
properly
installed.
A.
Throttle
control.
G.
Magneto
ground
wires
are
properly
installed
B.
Propeller
governor
control.
and
safetied.
C. Mixture
control.
H.
Oil
temperature
bulb
is
tight
and
safetied.
9.
Disconnect
ignition
switch
wires
from
magnetos.
I.
Oil
pressure
relief
valve
plug
is
safetied.
J.
Cylinder
head
temperature
connection
is
secure.
K.
Starter
cable
connection
is
secure.
WARNING
L. Altemator
wiring
is
secure.
Ground
magneto
breaker
points.
M.
Exhaust
system
is
secure.
N.
Vacuum
lines
and
connections
are
secure.
in.
Disconnect
fuel Row wires
from
fuel flow
O.
Fuel connections are
tight
and
pressure
checked.
transducer.
P.
Manifold
pressure
lines
are
tight.
ii.
Disconnect
engine
ground
strap.
Q.
Oil
pressure
lines
are
tight
and
pressure
12.
Disconnect
alternator
and
starter
wires.
checked.
13.
Disconnect
heater
muff
and exhaust
tail
pipe.
R.
Fuel
injection
lines
are
tight
and
pressure
checked.
14.
Disconnect
fuel
line
at
engine
fuel
pump.
S. Oil
filter
is
installed
and
secure.
15.
Shore
up
fuselage
at
tail
skid
using
shoring
stand
to
prevent
tail
from
dropping
after
engineis
removed.
T.
Induction
manifolds
are
secure.
16.
Attach
hoist
to
lifting
eye
at
top
of
crankcase.
U.
All
lines,
hoses,
and
wires
are
properly
Slightly
lift
engine
to
relieve
from
engine
anchored.
mounts.
Remove
engine
mounting
V. Induction
air
filter
is
installed
and
secure.
17.
Slowly
raise
engine.
Be
sure
that
all
lines,
hoses,
and
wires
are
free.
4-99
71-00-00
OLDWILLWAYNE