Piper Cheyenne IIIA User manual

PART NUMBER 761-852 March 10, 2004
AIRPLANE MAINTENANCE MANUAL
PA-42-720 (Advanced Trainer)
Cheyenne IIIA
PIPER AIRCRAFT CORPORATION

Published by
Technical Publications
© The New Piper Aircraft, Inc.
2926 Piper Drive
Vero Beach, Florida 32960
U.S.A.
Member
General Aviation
Manufacturers Association

PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
RECORD OF REVISIONS
0
Revision Revision
No. Date Date
Inserted By Revision Revision
No. Date Date
Inserted By
PAGE 1
Nov 1/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
RECORD
OF REVISIONS
(continued)
Revision Revision
No. Date Date
Inserted By Revision Revision
No. Date Date Inserted By
PAGE 2
Nov 1/90

PAGE 1
Mar 10/04
LOG OF REVISIONS
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
LIST OF EFFECTIVE REVISIONS
(Always destroy superceded pages when you insert the revised pages.)
Revisions to this Maintenance Manual 761-852 issued January 10, 1990 are as follows:
Revision * Publication Date Chapters Affected
761-852 January 10, 1990 Original
761-852A November 1, 1990 Record of Revisions and 5, 27
761-852A1 April 15, 1991 5, 23, 51, 71, 91
761-852A2 February 1, 1998 5, 7, 27, 30, 35, 51, 56, 77, 91
761-852A3 March 10, 2004 5
NOTE: A List of Effective Pages is found at the front of each chapter.
* Basic publications are assigned a part number which appears on the title page with the date of the issue.
Subsequent revisions are identified by the addition of a revision code after the part number. An "A" followed
by a number indicates the revision to the basic publication. Periodically it will be necessary to reissue the
entire manual, this will be indicated by the next successive letter of the alphabet.

PAGE 2
Mar 10/04 LOG OF REVISIONS
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
THIS PAGE INTENTIONALLY BLANK

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
INTRODUCTION
LIST
OF
EFFECTIVE
PAGES
CHAPTER
SECTION
Original
Issue
CHAPTER
DATE SECTION
PAGE
All
PAGE DATE
Jan10/90
LIST
OF
EFFECTIVE
PAGESan
10/90

C
PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
INTRODUCTION
LIST OF
EFFECTIVE
PAGES
(continued)
CHAPTER CHAPTER
SECTION PAGE DATE SECTION P
Jan0/9 LIST OF EFFECTIVE
PAGES
AGE DATE

PIPER
AIRCRAFT
PA-42-720
(Advanced
Tralner)
MAINTENANCE
MANUAL
INTRODUCTION
TABLE
OF
CONTENTS
SUBJECT PAGE
Introduction
General
Assignment
of Subject
Material
Application
Effectivity
Aerofiche
Identifying
Revised
Material
Alphabetical
Index
List
of Effective
Pages
Serial
Number
Explanation
System/Chapter
Index
Guide
Warnings,
Cautions,
and Notes
Supplementary
Publications
Vendor
Publications
1
1
2
2
2
3
3
3
3
3
4
10
10
10
EFFECTIVITY:
040-999 CONTENTS PAGE
1
CONTENTS
Jan10/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
Introduction
A. General
The
Piper
PA-42-720
(Advanced
Trainer)
Maintenance
Manual
is
prepared
inaccordance
with
the
Air
Transport
Association
of
America
(ATA)
Specification
No.100
with
respect
to the
arrangement
and
content
of
the
System/Chapters
within
the
designated
chapter-numbering
system.
NOTE: Piper
Aircraft
Corporation
expressly
reserves
the
right
to
supersede,
cancel
and/or
declare
obsolete
any
part,
part
numbers,
kits
or
publication
that
may
bereferenced
in
this
manual
without
prior
notice.
WARNING:
USE
ONLY
GENUINE
PIPER
AIRCRAFT
PARTS
ORPIPER
AIRCRAFT
APPROVED
PARTS
OBTAINED
FROM
PIPER
APPROVED
SOURCES,
IN CONNECTION
WITH
THE MAINTENANCE
AND
REPAIR
OF PIPER
AIRPLANES.
Genuine
PIPER
parts
are
produced
and
inspected
under
rigorous
procedures
to insure
airworthiness
and
suitability
for
use
inPIPER
airplane
applications.
Parts
purchased
from
sources
other
than
PIPER,
even
though
identical
in
appearance,
may
not
have
had
the
required
tests
and
inspections
performed,
may
be
different
in
fabrication
techniques
and
materials,
and
may
be
dangerous
when
installed
in
anairplane.
Reworked,
salvaged
or
those
parts
obtained
from
non-PIPER
approved
sources,
which
the
service
history
is
unknown
or
cannot
be
authenticated,
may
have
been
subjected
to unacceptable
stresses
or
temperatures
or have
other
hidden
damage,
not
discernible
through
routine
visual
or
usual
nondestructive
testing
.This
may
render
the
part,
component
or
structural
assembly,
even
though
originally
manufactured
by
PIPER
AIRCRAFT
unsuitable
and
unsafe
for
airplane
use.
PIPER
AIRCRAFT
expressly
disclaims
any
responsibility
for malfunctions,
failures,
damage
or injury
caused
by
use
of non-PIPER
approved
parts.
Any
question
concerning
the
care
of
your
airplane,
be
sure
to include
the
airplane
serial
number
in
any
correspondence.
EFFECTIVITY: NTRODUCTIONJan
10/90

PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
B. Assignment
of SubjectMaterial
Each
chapter,
including
theIntroduction
section
tothe
manual,
aremarked
with
ayellow
plasticized
tabdivider.
For
easeof reference,
thesedividers
shall
bestaggered.
The
contentof thispublication
isorganized
atthree
levels.
Thethreelevels
are:
1. System/Chapter
- The
variousgroups
are
brokendown
intomajor
systems
suchasEnvironmental
Systems,
ElectricalPower,
LandingGear,
etc.Thesystems
arearrangedmore
orless
alphabetically
ratherthan
byprecedence
or
importance.
They
areassigned
anumber,
which
becomesthe
firstelement
ofthestandardized
numbering
system.
Thus,theelement
"28"of
the
number
28-40-01
refers
tothe
chapter"Fuel".
Everything
concerning
thefuel
systemwill
be
covered
in
thischapter.
2. Sub-System/Section
- Themajor
systems/chapters
of anairplane
arebroken
down
into
subsystems.
These
sub-systems
areidentified
by
thesecond
element
ofthestandard
numbering
system.
Theelement
"40"ofthenumber
28-40-01
concernsitself
withtheindicating
section
ofthe
fuel
system.
3. Unit/Subject
- Theindividual
unitswithin
asub-system/section
maybeidentified
bythe
third
element
ofthestandard
numbering
system.
The
element
"01"ofthe
number28-40-01
is
asubject
designator.
This
element
isassigned
atthe
optionof
themanufacturer
and
mayor maynot
be
used.
C. Application
Any
publication
conforming
totheATA
format
willuse
thesame
basic
numbering
system.
A person
wishing
information
concerning
theindication
portionofthe
fuelsystem,
wouldrefer
tothe
System/Chapter
Tab28-Fuel.
Thetable
ofcontents
inthefront
ofthis
chapterwill
providea
listofsub-
systems
covered
inthis
chapter.
Forexample,
thefuel
systemchapter
with
afull
indexwould
contain:
28-00 General
28-10 Storage(Tanks,cells,necks,caps,etc.)
28-20 Distribution
(Fuellines,pumps,valves,
controls,etc.)
28-30 Dump(Ifin-flight
dumping
system
isinstalled)
28-40 Indicating
(Quantity,temperature,
pressure,etc.)
Refertothe
tableof
contentsfor
acomplete
breakdown
andlist
oftheSystem/Chapters.
Thematerial
isarrangedinascendingnumericalsequence.
D. Effectivity
The
Logof Effective
Revisions
following
thetitlepage
ofthe
manuallists
therevisions
currently
effective
for
themanual.
EFFECTIVITY:
040-999
Jan 10/90INTRODUCTION

PIPER
AIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCE
MANUAL
E. Aerofiche
TheAir
Transport
Association
of America
(ATA)
hasdeveloped
aspecification
for microfiche
reproduction
of
aircraftpublications,
foruse
byall
ATAmembers.
Theinformation
compiled
inthis
Aerofiche
Maintenance
Manual
will
bekept
current
byrevisions
distributed
periodically.
These
revisions
willsupersede
all
previous
revisions
andwill
becomplete
Aerofiche
cardreplacements
and
shall
supersede
Aerofiche
cards
ofthe
same
number
intheset.
Conversion
ofAerofiche
alpha/numeric
codenumbers:
Example:
2J16
= Aerofiche
card
number
twoof agivenset
andgrid
location
J16.
Firstnumber
"2"is
theAerofiche
card
number.
Letter
"J"is
thehorizontal
linereference
percard.
Second
number
"16"
isthevertical
linereference
per
card.
F. Identifying
Revised
Material
A revision
to a
pageis
defined
asany
change
tothe
printed
matter
that
existed
previously.
Revisions,
additions
anddeletions
shall
beidentified
byavertical
black
line
along
theleft-hand
margin
ofthe
page
opposite
onlythat
portion
ofthe
printed
matter
that
waschanged.
A black
lineinthe
left-hand
margin
opposite
thechapter/section/subject,
page
number
and
date,will
indicate
thatthe
textwas
unchanged
butthe
material
wasrelocated
to adifferent
page.
For
partslistings
an
individual
code
letter
"R"shall
beused
oneach
line
to identify
revisions.
G. Alphabetical
Index
The
alphabetical
index
following
this
portion
oftheintroduction
isprovided
as
anassistance
in
locating
the
desired
information.
The
alphabetical
indexprovides
thechapter
andsub-chapter
inwhich
any
given
information
may
befound.
Reference
tothe
Tableof
contents
inthe
frontof
theindicated
chapter
will
provide
thespecific
page(s)
onwhich
the
information
canbe
found.
H. Listof EffectivePages
The
listofeffective
pages
following
each
Chapter
Divider-Tab,
lists
theissue
date
of each
page
thatis
effective
forthat
chapter.
I. Serial
NumberExplanation
The
serialnumbering
system
used
pertains
tothe
effectivity
blocks
and
codes
and
it isathree
character
alpha-numeric
system.
Thesystem
uses
the
lastthree
digits
ofthe
aircraft's
serial
number.
Thenumber
999
represent
theterm
"and
up". In
somecases
individual
aircraft
are
referenced
and
those
serial
numbers
willbe
separated
by
acomma.
Sequential
series
of
serial
number
are
represented
bythe
first
serialnumber
separated
bya
dash
andthe
lastserial
number
of
thesequence.
EFFECTIVITY:
040-999 INTRODUCTIONJan
10/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
J. System/Chapter
Index
Guide
The
following
System/Chapter,
Subsystem
Section
Index
Guide
is prepared
inaccordance
with
ATA
Specification
No. 100
for use
with
Maintenance
Manuals,
Illustrated
Parts
Catalogs
and
Wiring
Diagram
Manuals.
The
following
chapters
are
not applicable
to this Maintenance
Manual: 18,
22, 38,
41,45, 49, 60,
62, 63, 64, 65,
66, 67, 70, 78,
80, 81,82, 83,
and 84.
SYSTEM/
CHAPTER SUB-SYSTEM/
SECTION
TITLE
INTRODUCTION
5
6
7
8
TIME
LIMITS/MAINTENANCE
CHECKS
00
10
20
50
DIMENSIONS
AND
AREAS
00
LIFTING
AND
SHORING
00
10
20
LEVELING
AND
WEIGHING
10
20
General
Time
Limits
Scheduled
Maintenance
Checks
Unscheduled
Maintenance
Checks
General
General
Jacking
Shoring
Weighing
and Balancing
Leveling
9TOWING
AND
TAXING
00
10
20
PARKING
AND
MOORING
00
10
20
General
Towing
Taxiing
General
Parking
Mooring
10
11
12
REQUIRED
PLACARDS
20
SERVICING
00
10
20
30
Exterior
Placards
and
Markings
General
Replenishing
Scheduled
Servicing
Unscheduled
Servicing
EFFECTIVITY:
040-999
INTRODUCTION
Jan 10/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
J. System/Chapter
Index
Guide
(continued)
SYSTEM/
CHAPTER SUB-SYSTEM/
SECTION
TITLE
20
21
23
24
STANDARD
PRACTICES
-
AIRFRAME
00
10
AIR
CONDITIONING
00
20
30
40
60
70
COMMUNICATIONS
00
20
60
70
ELECTRICAL
POWER
00
30
40
60
General
Corrosion
Inhibiting
Compound
General
Distribution
Pressurization
Control
Heating
and
Cooling
Temperature
Control
Moisture/Air
Contaminant
Control
General
Data
Transmission
&
Automatic
Calling
Static
Discharging
Audio
& Video
Monitoring
General
DC
Generation
External
Power
DC
Electrical
Load
Distribution
25
26
EQUIPMENT/FURNISHINGS
00
10
20
30
40
50
60
70
FIRE
PROTECTION
00
10
20
General
Flight
Compartment
Passenger
Compartment
Buffet/Galley
Lavatories
Cargo
Compartments
Emergency
Accessory
Compartments
General
Detection
Extinguishing
EFFECTIVITY:
040-999 INTRODUCTION PAGE
5
INTRODUCTION
Jan
10/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Tralner)
MAINTENANCE
MANUAL
J. System/Chapter
Index
Guide
(continued)
SYSTEM/
CHAPTER SUB-SYSTEM/
SECTION
27
28
FLIGHT
CONTROLS
00
10
20
30
50
70
FUEL
00
10
20
40
HYDRAULIC
POWER
00
10
30
TITLE
General
Aileron
and
Tab
RudderandTab
ElevatorandTab
Flaps
GustLock
andDamper
General
Storage
Distribution
Indicating
General
Main
Indicating
29
30
31
32
ICE
AND RAINPROTECTION
00 General
10 Airfoil
20 Air Intakes
30 Pitotand
Static
40 Windows,
Windshields
andDoors
60 Propellers/Rotors
INDICATING/RECORDING
SYSTEMS
00 General
50 Central
Warning
systems
LANDING
GEAR
00 General
10 Main
Gearand Doors
20 Nose
Gearand Doors
30 Extension
and
Retraction
40 Wheels
and Brakes
50 Steering
60 Positionand Warning
LIGHTS
00 General
Compartment
10 Flight
Compartment
20 Passenger
Compartment
40 Exterior
50 Emergency
Lighting
33
EFFECTIVITY:
040-999
Jan 10/90INTRODUCTION

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
I. System/Chapter
Index
Guide
(continued)
SYSTEM/
CHAPTER
SUB-SYSTEM/
SECTION
TITLE
34
35
36
NAVIGATION
00
10
20
30
40
50
60
OXYGEN
00
10
20
PNEUMATIC
00
10
20
VACUUM
00
10
20
General
Flight
Environment
Data
Attitude
& Direction
Landing
and
Taxiing
Aids
Independent
Position
Determining
Dependent
Position
Determining
Flight
Management
Computing
General
Crew
Passenger
General
Distribution
Indicating
General
Distribution
Indicating
37
51
52
53
STRUCTURES
00
10
20
40
70
DOORS
00
10
30
40
70
FUSELAGE
00
10
General
Investigation,
Cleanup
and
Aerodynamic
Smoothness
Processes
Fastners
Repairs
General
Passenger/Crew
Cargo
Service
Door
Warning
General
Fuselage
Stations
54 NACELLES/PYLONS
00 General
EFFECTIVITY:
040-999 INTRODUCTION

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
J. System/Chapter
Index
Guide
(continued)
SYSTEM/
CHAPTER SUB-SYSTEM/
SECTION
TITLE
55
56
57
61
STABILIZERS
00
10
20
30
40
WINDOWS
00
10
20
WINGS
00
10
60
PROPELLERS
00
10
20
General
Horizontal
Stabilizers
Elevator
Vertical
Stabilizer
Rudder
General
Flight
Compartment
Passenger
Compartment
General
Center
Wing
Ailerons
and
Elevons
General
Propeller
Assembly
Controlling
71 POWER PLANT
00
10
20
30
General
Cowling
Mounts
Fireseals
73
74
ENGINE
FUEL
AND
CONTROL
00
10
20
30
IGNITION
00
10
20
General
Distribution
Controlling
Indicating
General
Electrical
Power
Supply
Distribution
EFFECTIVITY:
040-999
Jan 10/9INTRODUCTION

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
J. System/Chapter
Index
Guide
(continued)
SYSTEM/
CHAPTER
SUB-SYSTEM/
SECTION
TITLE
76
77
79
91
ENGINE
CONTROLS
00
10
ENGINE
INDICATING
00
10
20
30
OIL
00
10
20
30
General
Power
Control
General
Power
Temperature
Analyzers
General
Storage
Distribution
Indicating
CHARTS
EFFECTIVITY:
040-999 INTRODUCTION PAGE
9
INTRODUCTION
Jan
10/90

PIPER
AIRCRAFT
PA-42-720
(Advanced
Trainer)
MAINTENANCE
MANUAL
K. Warnings,
Cautions
and
Notes
These
adjuncts
tothe
text
shall
be
used
to highlight
or
emphasize
important
points
when
necessary.
Warnings
call
attention
to use
of
materials,
processes,
methods,
procedures
or limits
which
must
be
followed
precisely
to avoid
injury
or
death
to
persons.
Cautions
call
attention
to methods
and
procedures
which
must
be
followed
toavoid
damage
toequipment.
Notes
call
attention
to methods
which
make
the
job
easier.
Warning
and
caution
shall
belocated
directly
above
and
notes
directly
beneath
the
text
and
beinline
with
the
paragraphs
to
which
they
apply.
L. Supplementary
Publications
The
following
isa listof publications
providing
servicing,
overhaul
and
parts
information
on
various
components
on
the
PA-42-720
(Advanced
Trainer)
airplane,
which
you
may
supplement
the
maintenance
manual.
Piper
Publications:
(1) Parts
Catalog
-P/N
761
818
(2) Progressive
Inspection
Manual
(50
hour)
- P/N
761
820
(3) Progressive
Inspection
Manual
(100
hour)
- P/N
761
819
(4) Wiring
Diagram
Manual
(Basic
Electrical)
- P/N
761
853
(5) Wiring
Diagram
Manual
(Avionics)
- P/N
761
854
M. Vendor
Publications
The
following
is
a listof the
vendor
publications,
used
in conjunction
with
the servicing,
overhaul
and
parts
information
on various
components.
WARNING: WHEN
SERVICING
ORINSPECTING
VENDOR
EQUIPMENT
INSTALLED
IN PIPER
AIRCRAFT,
IT
IS THE
USER'S
RESPONSIBILITY
TO REFER
TO THE
APPLICABLE
VENDOR
PUBLICATION.
1. ENGINE:
Maintenance
Manual:
Operators
Handbook:
PartsCatalog:
Vendor
Address:
2. PROPELLER:
Overhaul
Instructions:
Vendor
Address:
3. VOLTAGE
CONTROL:
Vendor
Address:
TURBOPROP
GAS
TURBINE
ENGINE
PT6A-61:
P/N3034342
PT6A-61
TURBOPROP
ENGINE,
SPECIFIC
OPERATING
INSTRUCTIONS
P/N
3033741
PT6A-61:
P/N
3034344
Pratt
& Whitney
Aircraft
Canada
Inc.
Box 10,
Longueuil,
Quebec,
Canada
J4K
4X9
OVERHAUL
INSTRUCTION
(FOR
TURBOPROP
APPLICATIONS)
Manual
#118D
Hartzell
Propeller
Inc.
Piqua,
Ohio45356
LEAR
SIEGLER
INC.
POWER
EQUIPMENT
DIVISION
Overhaul
Manual
and Illustrated
Parts
Catalog
17600
Broadway
Avenue
Maple
Heights, Ohio 44137
EFFECTIVITY:
040-999
INTRODUCTION

PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
M. Vendor
Publications(continued)
4. AUTOFLITE:
FlightControl:
Vendor
Address:
FlightControl:
MaintenanceManual:
System
Manual:
System
Manual:
Vendor
Address:
FlightControl:
Systems
Manual:
Systems
Manual:
VendorAddress:
FlightControl:
Systems
Manual:
VendorAddress:
5. WHEELS
AND BRAKES:
Installation,Maintenance
andOverhaulManual:
CollinsAP106/APS-65
AP106Instruction
Book523-0764802-30111A
APS-65Instruction
Book523-0771868-00211A
FIS-84
Instruction
Book523-0768867-00111A
EFIS-85A
Instruction
Book
523-077337-00311A
EFIS-85B2/12
Instruction
Book523-0773940-00111A
EFIS-85B4/14
InstructionBook
523-
Collins
GeneralAviation
Division
AvionicsGroup
Rockwell
International
Corporation
Cedar
Rapids, Iowa 52498
Bendix/King
System
Flight
Line KNS
300
P/N006-5091-01
KNS660
P/N006-5596-00
EFIS10
P/N006-5992-03
Bendix/King
RadioCorporation
400 N. RogersRoad
Olathe, Kansas
66062
GlobalSeries2 GNS500A
P/N
34-56-00
Global
Series
3 GNS
500A
P/N34-56-15
Global
Navigation/Sundstrand
2144Michelson
Drive
Irvine, California
92715
UNS1
UNS-1A
Universal
Navigation
Corporation
3260 E. LerdoRoad
Tucson, Arizona 85706
B.F.
Goodrich
3-1392
Wheeland 2-1435-2
Brake
6. KEVLAR:
A Guide
to Cutting
and
Machining
KevlarAramid:
VendorAddress: KEVLARSpecial
Products
E.I.DuPont
DeNemours
& Co. Inc.
Textile
FibersDepartment
Centre
Road
Building
Wilmington,Delaware
19898
EFFECTIVITY:
040-999 INTRODUCTIONan
10/90