Mooney M20K - General; Starter Trouble Shooting; Starter Maintenance; Starter Removal

MOONEY
AIRCRAFT
CORPORATION
M20K
SERVICE
AND
MAINTENANCE MANUAL
80-00-00
-GENERAL
80-00-04
-STARTER
INSTALLATION
The
airplane
is
equipped
with
a
12
volt
starter
(25-0001
1. Before
installation,
clean
any
rust
corrosion
or
dirt
thru
25-0999);
24
volt
starter
(25-1000
thru
25-iBA)
from the
mounting
surface of the
starter
motor.
supplied
with the
engine
package.
The
starter
is
lo-
2. Check
all
ground straps
connections
for
tightness.
cated
on
the
accessory
case
at
the
rear
of
the
engine.
3.
Install
new
o’ring
on
starter
flange.
A
90
degree
worm
gear
adapter
provides
the
shaft
4.
Position
starter
on
mounting
pad.
rotation
and
alignment
to
engage
the
starter
gear
train.
5.
Install
attaching
nuts
and washers.
When
the
ignition
switch
is
placed
in
the
"start"
posi-
6.
Torque
nuts
220.0
to
260.0
inch
Ibs.
tion,
current
is
supplied
through
the
main bus to
ener-
7- Connect
electrical
wiring
to
starter
terminals.
gize
the
starter
solenoid
which
in
tum
connects
the
8-
Check
starter
mounting fiange
for oil
leakage
battery
to
the
starter.
before
cowling
is
installed.
9.
Install
cowling.
80-00-01
STARTER
TROUBLESHOOTING
80-00-05
STARTER
BRUSHES
1.
Refer
to
Section
24-39-04.
The
starter
brushes
should slide
freely
in the
holder
80-00-02
-STARTER
MAINTENANCE
and make full
contact
on
the
commutator.
The
brushes
1.
Inspect
and service
starter
per
TCM Service
In-
should
be
replaced
when
they
have
worn
to
1/4
inch
in
structions
or
Overhaul
Manual.
length.
Brush tension
should
be
32
to
40
ounces
as
2. Lubrication
No
lubrication is
required
on
the
mneasured
with
a
spring
scale
hooked
under
the
brush
starter
motor
except
at
overhaul,
spring
and
pulled
in
a
straight
line
opposite
the
force
exerted
by
the
spn~ng.
Read the
tension
just
as
the
CAUTION
spring
leaves
the
brush.
Do
not
clean
the
starter
in
any
degreasing
tank
or
grease
dissolving
solvents.
Avoid excessive
80-10-00
CRANKING
lubrication.
Use
only
kerosene
or
Varsol.
The
starter
solenoid is located
on
the
cabin side
of the
firewall.
The
solenoid is
energized
by
placing
the
igni-
80-00-03
-STARTER
REMOVAL
tionlmagneto
switch
in
the
start
position.
Battery
cur-
1.
Remove
upper
cowling
land
lower
a
desired),(See
rent
is then
directed to
the
starter.
Aircraft
serial
num-
Section
71-10).
ber
25-0613
thru 25-iBA
are
equipped
with
a
"START
2.
Disconnect
electrical
wiring
from
starter
terminals. POWER ON" annunciator
light.
This
light
illuminates
3.
Remove nut
and
washer
from studs
on
adapter
when the
starter
switch
is
in
start
position
or
when
the
mounting pad.
starter
switch
or
starter
solenoid has
malfunctioned
4.
Remove
starter
and
o’ring
from
adapter.
and the
starter
is
engaged
while the
engine
is
running.
This
malfunction should be
corrected
before
the
engine
is
started
again.
80-00-00
OLDWILLWAYNE