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Mooney M20M Aircraft OEM Service & Repair Manual
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O O
SEI~VICE AND MAINTEN ANCE
MANUAL
~I OONEY AIRCR AFT CORPOR ATION
LOUIS SCHREINER
FIELD, KERRVILLE,
TX 78028
ORIGINAL ISSUE APRIL 1999 MANUAL NUMBER 51
OLDWILLWAYNE

MOONEY AIRCRAFT CORPORATION KERRVILLE, TEXAS
WARNING:
Manufactured with 1.1,1 Trichloroethane substances which are determined to
harm
public
health and environment
by destroying
ozone in the
upper atmosphere.
This
warning applies
to
placards
manufactured at
Mooney
Aircraft
Corporation facility
and installed on
the
Mooney
Aircraft
Model(s)
addressed in this
publication.
WARNING:
Manufactured with 1,1,1 Trichloroethane substances which are determined to
harm
public
health and environment
by destroying ozone in the
upper atmosphere.
This
warning applies
to certain adhesives
procured
form vendors and utilized on the
applicable
Mooney
Aircraft
Model(s)
addressed in this
publication.
OLDWILLWAYNE

MOONEY AIRCRAFT CORPORATION M20M SERVICE AND MAINTENANCE MANUAL
LOG DF REVISIONS
ALwavs destrov suPerseded Da9es when vou Insert revised
DATE OF SECTIONS DATE CIF SECTILINS
REVISION AFFECTED REVISION AFFECTED
NOTE:
A list of effective Daaes
wil~
appear at the bea;nninn
of each chapter,
OLDWILLWAYNE

MOONEY AIRCRAFT CORPORATION M20M SERVICE AND MAINTENANCE MANUAL
INTRODUCTION GROUP
This manual
provides
servicina and maintenance
information for the
Mooney
Mlodel
M20M, Serial
These are primary
divisions of the manual that enable
Numbers 27-0001 and ON. Maintenance actions that
broad
separation
of content, ie., Airframe
systems
VS
Powerplant systems.
These
groups
are identified
by
tabs.
refer to a limited number of aircraft will be
designated
by
serial number of
applicable airplanes.
The Part
Numbers of
replacement or repair parts
should be
SYSTEM/CHAPTER
identified
using
the illustrated Paris
Catalog applicable
to model S/N of aircraft
being
worked on. The current
The various
groups
contain
major systems
information
P/N can be ordered
through any Mooney Marketing
such as Right controls, landing gear,
etc. The
systems
Center
(MMC).
See SECTION 91 for
exceptions on
are
arranged numerically per
GAMA recommended
electrical
components.
number
assignment,
It is
suggested,
for
example,that
"Fuel" be identified with the
SystemlChapter
number
The format and contents of this manual are
prepared
in
"28".
accordance with GENERAL AVIATION
MANUFACTURER’S ASSOCIATION
(GAMA)
The
sequence
of numbers, 28-00-00, refers to the
Specification
No. 2. The manual is
supplemented
with
General information of the Fuel
Systems.
wiring
schematics for the various model
year
SUB-SYSTEM/SECTION
airplanes,as necessary. These are located in
Th,
major systems
of an aircraft are broken down into
envelopes
at the back of the manual texts
pages.
sub-systems.
These
sub-systems are identified
by
the
NOTE
second element of the
sequence
of numbers, ie.,
Revisions or reissues to this
28-20-00. The element -20- indicates the distribution
portion
of the fuel
system.
manual number are not
UNIT/SUBJECT
automatically provided
to
manual holders. Holders of
The individual units
within a sub-system may
be identified
by a third dement of the
sequence
of numbers,
these and other
Mooney
ie.,28-20-01. This number is
assigned by
the manufacturer
Technical Publications should
and
may
or
may
not be used
depending upon
the
complete the informatjon on the
c0mple~y
of the maintenance action recommended.
YECLOW CARD located at the
APPLICATION OF NUMBERING SYSTEM
front of the Title
Page
and send
MOO"ey
Aircraft
Corporation prepares
all
applicable
to
Mooney
Aircraft
Corp_oratSon,
technical
publications
to GAMA format. All
publications
concerning
maintenance of aircraft will conform to this
Louis Sctitelner
Field, Kerrville,
basic
numbering system. Any person wishing
TX., 78028,
Attn: Service Parts
information
concerning
the Fuel Distribution
System
Department.
would refer to the
pages
identified as 28-20-00 in
any
maintenance
publication.
These
pages
will be
numbered
sequentially
within each
system
breakdown
Notification is sent to known manual holders when
in the current
Mooney
series of aircraft. As
Mooney
another manual is
prepared
to
replace
the
subscription
aircraft models become more complex
the
page
and advises that no more revisions will be sent out,
numbers
may
be
sequentially
numbered within
The new manual will
require a new subscription
sub-systems.
service. If additional Technical Publications are
desired, contact the Service Parts
Department
at
The table of contents in the front of each
Mooney
Aircraft
Corporation
at
(830) 896-6000 UCT.
System/Chapter
will
provide
a list of
sub-systems
2092.
covered in the
Chapter.
For
example:
28-00 General
Correspondence concerning
maintenance or
part
numbers on an airplane
should contain the aircraft
28-10
Storage
model number and serial number. The serial number
CTanks, vents, repair, etc.)
appears
on the identification
placard
located on the aft
end, left hand side of the tailcone below the horizontal
28-20 Distribution
stabilizer.
(Boost pumps,
fuel lines, etc.)
28-40
Indicating
ASSIGNMENT OF SUBJECT MATERIAL
(Sender Units, quantity gauges,
The content of this
publication
is
organized
at four etc.)
levels:
If there is a reason to
distinguish
between LEFT HAND
Group
or RIGHT HAND fuel
quantity sending
units then the
and 28-40-02
(Right Hand).
This
concept
will
apply
to
number would be
expanded
to 28-40-01
(Left Hand)
UnitlSubject
any expanded
information
throughout
the
publications.
4-99 INTRODUCTION
OLDWILLWAYNE

SERVICE AND MAINTENANCE MANUAL M20M MOONEY AIRCRAFT CORPORATION
SUPPLEMENTARY PUBLICATIONS
The
following
list of Manufacturers and/or publications can
provide servicing
and maintenance information on
components
of the
Mooney-TLS,
Model M20M. No avionics
equipment
Manufacturers or publications are listed due
to the
many configurations
that can be installed in the aircraft. These can be obtained from the
repair
stations for a
particular
avionics manufacturer.
Publications available from
Mooney
Aircraft
Corporation are listed in the Parts Price List and are available
through
any Mooney
Service Center.
As
publications on various
components
become available, they
will be added to the list below.
VENDOR ADDRESSES or PUBLICATIONS
ENGINE
The
following
maintenance
publications can be obtained
through TUCTRON-Lycoming Division, Wiliiamsport, PA.,
17701.
Overhaul Manual for
TEXTRON-Lycoming
Aircraft
Engines
Direct Drive Models.
Illustrated Parts
Catalog
for
TEXTRON-Lycoming
TIG-540 series aircraft
engines.
Operators
Manual for
TEXTRON-Lycoming
TIG-540 aircraft
engines.
Service Bulletins
Specify
model of
engine
for which maintenance data is desired.
PROPELLER
McCauley Propellers
Obtain
publications
from
McCauley
Accessories Division, Cessna Aircraft
Company,
3535
McCauley Drive, Vandalia, OH.,45377.
Service Manual No. 761001 for
McCauley
C400 series constant
speed propellers.
MAGNETO
Slick Electro, 530 Blackhawk Park Avenue, Rockford, 1161101, for Slick Model 6260 or 6261
magneto.
TURBORCHARGER
Rotomaster, c/o Garrett-Aftenarket Division, 2511 South Edison
Way, Compton,
CA
90220-6035,
Attn: Don
Winters
ALTERNATOR
Prestolite Electronics Division, 511 Hamilton Street, Toledo, OH 43694
STARTER
B C
Specialty
Products Inc., 123 East 4th Street, PO Box
B, newton KS 67114-0894.
Telephone (316) 283-8662.
FUEL PUMP
(Engine Driven)
Lear
Siegler,
Romec
Division, 241 South Abbe Road, Elyria,
OH 44035
FUEL INJECTOR
Precision Airmotive, 3220-100th Street, S.W. #E, Everett, WA 98204
SPEEDBRAKES
Precise
Flight,
Inc. 63120 Powell Butte Rd., Bend, OR
97701,Telephone: (503)
382-8684.
DE-ICING/ANTI-ICING (TKS)
Aerospace Systems
8
Technologies, Inc., 110 Riverfront
Road, Suite C. Lawrence, KS 66044,
\NTRODUCTION 4-99
OLDWILLWAYNE

MOONEY AIRCRAFT CORPORATION M20M SERVICE AND MAINTENANCE MANUAL
CHAPTER SECTION TITLE INDEX GUIDE
CHAPTER SECTION TITLE
1 -4
RESERVED MAY BE USED LATER
5
TIME LIMITS/MAINTENANCE
CHECKS
00 GENERAL
10
TIME LIMITS
20 SCHEDULED MAINTENANCE
CHECKS
6
DIMENSIONS AND AREAS
00 GENERAL
7
LIFTING
10 JACKING
8
LEVELING AND WEIGHING
00 LEVELING
9
TOWING AND TAXIING
00 GROUND HANDLING
10 TOWING
20
TAXIING
10
PARKING AND MOORING
00 GENERAL
10 PARKING
20 MOORING
11
PLACARDS AND MARKINGS
00 GENERAL
10
MARKINGS
20 PLACARDS- EXTERIOR/INTERIOR
12
SERVICING
00 SERVICING
10 REPLENISHING
20 SCHEDULED SERVICING
20
STANDARD PRACTICES
AIRFRAME
00
GENERAL
21
ENVIRONMENTAL SYSTEMS
00 CABIN VENTILATION SYSTEM
40
HEATING
50
COOLING
24
ELECTRICAL POWER
00 GENERAL
30 DC GENERATION
50
ELECTRICAL LOAD
DISTRIBUTION
25
SEATS
00
GENERAL
THIS SECTION IS NOT
10
FLIGHT COMPARTMENT
INCLUDED IN THIS
g0
PASSENGER COMPARTMENT
MANUAL.
50
CARGO COMPARTMENT
60
EMERGENCY EQUIPMENT
70
ACCESSORY COMPARTMENT
4-99
INTRODUCTION
OLDWILLWAYNE

SERVICE AND MAINTENANCE MANUAL M20M MOONEY AIRCRAFT CORPORATION
CHAPTER SECTION TITLE
27
FLIGHT CONTROLS
00 GENERAL
10 AILERON SYSTEM
20 RUDDER SYSTEM
30 ELEVATOR SYSTEM
40 STABILIZER TRIM SYSTEM
50 WING FLAP SYSTEM
90
MISCELLANEOUS
28
FUEL
00 GENERAL
10 STORAGE
20
DISTRIBUTION
30 DUMP
40
INDICATING
50 MISCELLANEOUS
30
ICE AND RAIN PROTECTION
00 GENERAL
10 AIRFOILS
30 PITOT AND STATIC
60 PROPELLER
32
LANDING GEAR
00 GENERAL
10 MAIN LANDING GEAR 8 DOORS
20 NOSE LANDING GEAR 8 DOORS
30 EXTENSION AND RETRACTION
40
WHEELS 8 BRAKES
50 STEERING
60 POSITION AND WARNING
80
MISCELLANEOUS
33
LIGHTS
00 GENERAL
20 INTERIOR LIGHTS
MAINTENANCE
40 PRACTICES
INTERIOR LIGHTS
MAINTENANCE
PRACTICES
34
NAVIGATION
00 GENERAL
10 PITOT STATIC AIR PRESSURE
SYSTEM
20
DIRECTIONAL GYRO COMPASS
35
OXYGEN
00 GENERAL
37
VACUUM
00 GENERAL
10 DISTRIBUTION
20
INDICATION
INTRODUCTION
4-99
OLDWILLWAYNE

MOONEY AIRCRAFT CORPORATION M20M SERVICE AND MAINTENANCE MANUAL
CHAPTER SECTION TITLE
39 ELECTRICAL PANELS AND
COMPONENTS
00 GENERAL
10 INSTRUMENT CONTROL
20
PANELS,
ELECTRICAL ELECTRONICS
EQUIPMENT RACKS.
51 STRUCTURES
00 GENERAL
10 STRUCTURAL REPAIR GENERAL
52 DOORS
00 GENERAL
10 CABIN DOOR MAINTENANCE
PRACTICE
30 BAGGAGE COMPARTMENT DOOR
MAINTENANCE PRACTICE
53 FUSELAGE
00 GENERAL
10 MAIN FRAME
20 AUXILIARY STRUCTURE
30 PLATES/SKIN
40 ATTACH FITTINGS
50 FILLETS/FAIRINGS
55 STABILIZERS
00 GENERAL
10 HORIZONTAL STABILIZER
20 ELEVATOR
30 VERTICAL STABILIZER
40 RUDDER
56 WINDOWS
00 GENERAL
20 WINDSHIELD CABIN WINDOWS
50 PLEXIGLASS DRILLING
57 WINGS
00 GENERAL
30 PLATES/SKINS
40 ATTACH FITTINGS
50 FLIGHT SURFACES
60 STANDARD PRACTICES
PROPELLERS
61 PROPELLERS
00 GENERAL
10 PROPELLER ASSEMBLY
20 CONTROLLING
71 POWERPLANT
00 GENERAL
10 COWLING
4-99 INTRODUCTION
OLDWILLWAYNE

SERVICE AND MAINTENANCE MANUAL M20M MOONEY AIRCRAFT CORPORATION
CHAPTER
SECTION
TITLE
72
ENGINE- RECIPROCATING
00
GENERAL
73
ENGINE FUEL SYSTEM
00
GENERAL
10
DISTRIBUTION
20
CONTROLLING
30
INDICATING
74
IGNITION
00
GENERAL
12
POWER CONTROL
20
EMERGENCY SHUTDOWN
76
ENGINE CONTROLS
00
GENERAL
10 POWER CONTROLS RIGGING
77
ENGINE INDICATING
00 GENERAL
10 POWER
20
TEMPERATURE
78
EXHAUST
00
GENERAL
10
NSTALLATION
30
EXHAUST SYSTEM
40 REPLACEMENT COMPONENTS
79
OIL
00 GENERAL
10
STORAGE
20
DISTRIBUTION
30
INDICATING
80
STARTING
00
GENERAL
10
CRANKING
81
TURBINES
00
GENERAL
10 POWER RECOVERY
20
TURBOCHARGER
91
ELECTRICAL
00 GENERAL
20
ELECTRICAL SYSTEM HARDWARE
CHARTS
30
SCHEMATICS
95
[NOT INCLUDED
SPECIAL EQUIPMENT
IN THIS
MANUAL]
INTRODUCTION
4-99
OLDWILLWAYNE

CHAPTER
TIME
LIMITS/
MAINTENANCE
CH EC KS
OLDWILLWAYNE
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$39.99
The Mooney M20M Aircraft OEM Service & Repair Manual is a comprehensive factory workshop manual designed for instant access on your computer, tablet, or smartphone. This professional manual is an essential resource for both professional mechanics and DIY enthusiasts, providing detailed OEM procedures, repair instructions, servicing guidelines, and troubleshooting techniques with step-by-step instructions, high-quality diagrams, and clear photos.
With this manual, you have the flexibility to print single pages or the entire manual according to your needs. It is fully compatible with Windows and MAC computers and can be installed on multiple devices without any limitations, trial periods, expiration dates, or renewal fees.
- Complete OEM service and repair procedures
- Detailed technical instructions and troubleshooting tips
- High-quality diagrams and photographs for improved clarity
- Instant download for immediate access on any device
- Compatible with both Windows and MAC computers