Mooney M20M - Enginesetup Procedure; Fuel Injector Idle Speed 8 Mixture Adjustments

SERVICE
AND
MAINTENANCE
MANUAL M20M
MOONEY AIRCRAFT CORPORATION
W.
Engine
area
is free of loose
objects,
tools,
etc.
RPM
of
each
other).
A
smooth
drop
off
past
normal
is
X.
Cowling
is
installed and
secure
(See
SECTION
usually
a
sign
of
too
lean
or
too
rich mixture.
If
no
drop
71-11).
in
RPM,
check for
open
or
broken P-leads.
Y.
Cowl
Rap
control
rods
are
connected.
71-00-50
ENGINE SET UP PROCEDURE
71-00-40
ENGINE
GROUND OPERATION
It
is
recommended that
the
TIO-540-AF1A
or
-AF1B
CHECKOUT
engine
installed
on
the
Mooney
M20M
aircraft
be
set
up
according
to
the
following
instructions and in
1.
Prestarting
procedure
(with
aircraft
headed
into
wind):
conjunction
with
TEXTRON-Lycoming’s
TIO-540-AF1A
A.
Turn
ignition
switch
OFF.
or
-AF1B
Operator’s
Manual
and
appropriate
TEXTRON-Lycoming
Service Bulletins.
B.
Check
magneto
ground
connections.
C.
Check
engine
oil
level.
CAUTION
Watch for
rotating
propeller during
engine
D.
Check
fuel
quantity.
adjustment.
E.
Operate
all
controls
through
full
range
to
check
for
binding.
71-00-51
FUEL INJECTOR
IDLE
SPEED
MIXTURE ADJUSTMENT
F.
Check baffles
and
cowling
for
security.
1.
For
operation
in
normal
or
low
ambient
temperature
G.
Open
cowl
flaps;
check
operation.
conditions,
adjust
idle
and
mixture
as
follows:
H.
Drain fuel
sumps
and
gascolator;
check
for
Check
magnetos;
if
magneto
drop
is
normal,
proceed
sediment and
water.
with
idle
ad~ustment.
I.
Place
wheel
chocks and
set
parking
brake.
A.
IDLE SPEED ADJUSTMENT
2.
Starting procedure:
(1)
Start
engine
and
warm
up
at
1500
to
1800
A.
Set
propeller
governor
control:
FULL
RPM
until oil
pressure,
oil
temperature
and
cylinder
FWD.(HIGH
RPM).
head
temperature
indications
are
in
the
normal
B.
Turn
fuel
valve ON.
operating
ranges
(GREEN).
C.
Set
mixture
control: FULL RICH.
(2)
Reduce
engine
RPM
and
stabilize between
700
to
750
RPM
using
aircraft
tachometer.
D.
Open
throttle
FULL. Push
boost
pump
switch
for
10-25
seconds until
positive
indication
of
fuel
Row
is obtained.
Retard
to
1/4
open.
E.
Clear
propeller
area.
F.
Start
engine.
Check oil
pressure.
If
no
oil
pressure
isindicated within
30
seconds,
shutdown
engine
and trouble shoot
oil
system.
Refer
to
T~XTRON-Lycoming
maintenance
publications
for
procedures.
G.
Set
throttle
for
idle
at
900
to
1000
RPM
for
one
minute;
then,
advance throttle
slowly
to
1200
RPM for
engine
warmup.
3.
Ground
run
and
warmup.
Always
head
the
aircraftinto
the
wind
during
warmup.
Always
Cwl
Ja~´•ctor
ground
running
the
engine.hlevet
idle
for
select
the
high
RPM
blade-angle
setting
when
extended
periods
at
low
RPM
(low
RPM
will
foul
spark
plugs).
Always operate
with
the
mixture control
at
FULL
RICH,
and maintain
AL V(LD
RPM
in
the
1000
RPM
range
during
warmup
and
ground
run.
;3
A.
Warmup
engine
until
temperature
indications
are
normal.
Monitor
cylinder
head
and
oil
temperature
instruments for
over
Pn#
temperature.
B.
Check
magnetos
at
2000
RPM with
propeller
at
high
RPM
blade
angle.
Switch
ignition-starter
switch from BOTH
to
LEFT
to
check
mag
drop.
Switch
back
to
BOTH until
u
RPM
returns
to
normal.
Switch
from BOTH
to
RIGHT
and
check
mag
drop.Return
switch
to
BOTH.
Mag
drop
should
not
exceed
150
RPM
FUEL
INJECTOR
ADJUSTMENTS
FIGURE
71-1
on
either
magneto
(drop
should
be within
50
71-00-40
4-99
OLDWILLWAYNE