Mooney M20R - Engine Mixture Control Rigging; Engine Set-Up - Control Rigging; Fuel Injection System Maintenance; Starter System Maintenance

SERVICE
AND
MAINTENANCE
MANUAL
M20R
MOONEY
AIRCRAFT
CORPORATION
5.
FULL
POWER
PERFORMANCE
C.
Adjust
controls
by
adjusting
rod
end
on
forward
Check
and
adjust
full
power
performance
as
follows:
end
of
control.
If
additional
adjustment
is
required,
con-
trol
arm
may
be
repositioned
to
adjust
throttle
or
mixture.
A.
Adjust
fuel
flow
to
137
pounds
per
houriwith
Additional
adjustment
may
be
obtained
on
propeller gov-
throttle
set
at
full
power,
mixture
control
in
full
rich
Ibosi-
by
loosening
six
screws
on
governor
head
and
ro-
tion.
(Fig.
71-1,
item
5)
tating
governor
head
to
obtain
required
adjustment.
NOTE
D.
Tighten
all
screws
and
resafety,
if
required.
Mixture
and
must
be
full
2.
PROPELLER
RPM
ADJUSTMENT
A.
Verify
that
propeller governor
will
allow
engine
to
operate
at
2500
+0/-25
RPM.
Adjust
high
RPMstop
NOTE
screw on
governor
head
as
required
to
obtain
2450
to
Lightly
tap
fuel
pump
after
each
adjustmentl.
2500
RPM.
Recheck
control
cable
assembly
cushion
as
B.
Recheck
idle
pressure
setting
as
specifiedl
in
2
specified
in
Step
71-00-52,
A,
(2)
above.
above
and
adjust
as
required.
B.
Run
engine
until
170"
to
180"
oil
temperature
is
C.
Recheck
100
percent
power
fuel
flow
as
sgeci-
obtained.
Slowly
apply
full
throttle
(propeller
and
mixture
fled
in 5.
A.
and
adjust
as
required.
full
forward).
RPM
should
not
exceed
2500
RPM
for
any
lo?g
duration,
short
duration
overspeed
(2600
RPM
tran-
CAUTION
saent)
is
acceptable
until
governor
reacts
and
controls
to
Do
not
exceed
2500
RPM
under
any
circumstaCces
2500
RPM
maximum.
during
the
full
power
adjustment
process.
3.
CLEAN
UP
6.
IDLE
SPEED
After all
flight
checks
and
adjustments
are
complete,
re-
move
test
gauges,
reinstall
cap
an
plug
on
throttle
body
Check
and
adjust
idle
speed
as
follows:
and manifold
valve
and
conduct
a
leak
check
of all
con-
A.
Operate
engine
at
1500
to
1800
RPM
until
jCHT
nections.
Ensure
all
hoses
are
correctly
reconnected.
is in lower
one-quarter
of
GREEN
ARC,
and
oil
tem~era-
Remove
footwell
fitting
adapter
and
replace
with
footwell
ture
is
160
to
1~00F
(maintain
CHT
during
adjustm$nt).
cover
adapter.
B. Reduce
engine
speed
and
stabilize
at
750
RPM.
71-00-60
FUEL
INJECTION
SYSTEM
C.
Adjust
idle
speed
adjusting
screw
(Fig.
2,
ite/m
3)
MAINTENANCE
until
contact
is
made
with
throttle
arm
stop.
For
specific
injection
system
inspection
and
overhaul
in-
NOTE
structions,
consult
TCM’s
Overhaul
manual,
Form
Fuel
flow
will
vary
with
temperature
changel;.
X30568A,
Section
73-10-06,
and
applicable
Service
In-
Temperature
variations
from’NACA
STANDARD
DAV
femperature
causes
app~oximately
.7
Ibs/lhr.
St"ctions
for
the
IO-550-G
engine.
71-00-70
fuel
flow
chanae
with
eachl"
C.
variatSon
tml~us
STARTER
SYSTEM
MAINTENANCE
ifhotter,
plus
if
colder).
If
RPM
changes
appreciably
after
making
idle
mi)cture
Inspect
and
service
starter
per
TCM’s
maintenance
adjustment
during
the
succeeding
steps,
readju$t
as
manuals
and
Service
Instructions.
necessary.
CAUTION
Do
not
operate
starter
in
excess
of
30
seconds;
71-0052
ENGINE
SET-UP
CONTROL
allow
cooling
time
before
re-engaging.
RIGGING
71-00-80
ENGINE
MIXTURE
CONTROL
Check
all
fuel
lines,
reference
lines,
gauge
lines
and
RIGGING
electrical
connections
for
proper
routing
and
secu~ity
of
fittings.
i.
Disconnect
mixture
control
from
mixture
control
1.
CHECK
AND
ADJUST
ENGINE
CONTROL
arm on
fuel
pump.
RIGGING
A.
Remove
cotter
key.
A.
Operate
each
engine
control
through
full
r;ange
B.
Remove
nut,
bolt
and
washers
from
clevis
and
of
travel;
check
for
smooth
operation
and
cont~ct
of
mixture control
arm.
stops
at
each
end
of
travel.
C.
Position
fuel
pump
mixture
control
arm
approxi-
B.
Check
each
control
at
instrument
panel
for
.;06
to
mately
center
of travel
are.
.12
inch
cushion,
with
control
pushed
full
forward.
CAUTION
Do
not
force
vernier
controls
by
turning
knobs.
NOTE
Any
vernier
control
which
tends
to
creep
can
be
tightened
by
loosening
housing
nut
at
back iof
panel
and
ti~htenlng
face
nut
on
pilot’s
s
of
panel.
71-00-52
REV.10-98
Island Enterprises