Cheyenne PA-31T CHEYENNE User manual

AIRPLANE
SERVICE
MANUAL
CARD1 OF8
PA-31T
CHEYENNE
PA-31TCHEYENNE
II
PA-31T1
CHEYENNE
I
PA-31T1
CHEYENNE
IA
PA-31T2CHEYENNE
IIXL
PIPER
AIRCRAFT
CORPORATION
JULY
2,
1984
PART
NUMBER
753826 1A1 INTERIM
REVISION:
OCTOBER
15,1997
Courtesy of Bomar Flying Service
www.bomar.biz

PIPERCHEYENNE
SERVICEMANUAL
SERIAL
NUMBER
INFORMATION
PA-31T,CHEYENNE
Serial Numbers 31T-7400002to 31T-7720069 inclusive.
PA-31T,CHEYENNE II
Serial Numbers 31T-7820001
to 31T-8120104inclusive.
PA-31T1,CHEYENNE I
Serial Numbers 31T-7804001
to 31T-8104101inclusive.
PA-31T1,CHEYENNE IA
Serial Numbers 31T-8304001
to 31T-8304003inclusive;
(then, serial number serieschanged to)
Serial Numbers 31T-1104004
to 1104017inclusive.
PA-31T2,CHEYENNE IIXL
Serial Numbers 31T-8166001to 31T-8166076 inclusive;
(then, serial number series changed to)
Serial Numbers 31T-1166001
to 1166008inclusive.
AEROFICHE EXPLANATIONAND REVISION STATUS
Service manual information incorporated in this set of Aerofiche cards has been arranged in accordance
with general specifications of Aerofiche adoptedby General Aviation Manufacturer's Association, (GAMA).
Information compiled in this Aerofiche Service Manual will be kept current by revisions distributed
periodically. These revisions supersede all previous revisions and are complete Aerofiche card replacements
and supersede Aerofiche cards of same number in set.
Conversion of Aerofiche alpha/numeric code numbers:
First number is Aerofiche card number.
Letter ishorizontal line reference per card.
Second number is vertical line reference per card.
Example: 2J16 Aerofiche card number two of given set, Grid location J16.
Toaid in locating the various chapters and related service information desired, the following is provided:
1. At the beginning ofAerofiche Card No. 1:
a. A complete Section Index for allfiche in this set.
b. A complete list of Illustrations for all fiche in this set.
c. A complete list of Tablesfor all fiche in this set.
d. A complete list of Charts for all fiche in this set.
2. At the beginning of each subsequentAerofiche Card:
a. A complete Section Index for all fiche in this set.
b. A complete list of Illustrationsfor that fiche only.
c. A complete list of Tablesfor thatfiche only.
d. A complete list of Charts for that fiche only.
3. A complete Table of Contents showing paragraph titles and appropriate grid location numbers is
given at the beginning of each Section relating to the information within that Section.
4. Identification ofrevised material:
Revised text and illustrations are indicated by a black vertical line along the left-hand margin
of the frame, opposite revised, added or deleted material. Revision lines indicate only current
revisions with changes and additions to or deletions of existing text and illustrations. Changes in
capitalization, spelling, punctuation, indexing, physical location of material, or complete page
additions are not identified by revisionlines.
1A2 Interim
Revision:
10/15/97

PIPERCHEYENNE
SERVICEMANUAL
AEROFICHE EXPLANATIONAND REVISIONSTATUS(cont)
5. Revisions to Service Manual 753 826 issued December 1973are as follows:
Revision
ORG731208
CR810206
PR810923
PR810925
PR820215
PR821015
PR830425
PR840105
PR840323
PR840702
IR860220
IR860430
IR860821
IR871009
IR900313
IR941019
IR950320
IR971015 *
Publication Date
December 8, 1973
February 6, 1981
September 23, 1981
September25, 1981
February 15, 1982
October 15, 1982
April25, 1983
January 5, 1984
March 23, 1984
July 2, 1984
February 20, 1986
April 30,1986
August 21, 1986
June 15, 1988
March 13, 1990
October 19, 1994
March 20, 1995
October 15, 1997
Aerofiche Card Effectivity
1,2, 3,4, 5, 6, 7 and 8
1,2, 3, 4, 5, 6, 7 and 8
1Only
1,2, 3, 4, 5, 6, 7 and 8
1,2, 3, 4, 5, 6, 7 and 8
1, 2, 3, 4, 5, 6, 7 and 8
1, 2, 3, 4, 5, 6, 7 and 8
1,2, 3, 4,5, 6, 7 and 8
1,2, 3,4, 5, 6, 7 and 8
3
3
1
2
1
1and 2
1
1,2, 3,4, 5, 6, 7 and 8
* INTERIM REVISION TOSERVICE MANUAL 753-826
Revisions appearin all eightAerofiche cards. Discard your entire existing
Aerofiche card set (Cards 1- 8) and replace it with the revised Aerofiche
card set (Cards 1- 8) dated 10/15/97.
Consult the Customer Service InformationCatalog Aerofiche (P/N 1753-755)for current revision dates for this
manual.
Interim Revision: 10/15/97 1A3

PIPERCHEYENNE
SERVICEMANUAL
SECTION
INDEX
SECTION AEROFICHE
CARDNO.1 GRIDNO.
I INTRODUCTION 1A19
II HANDLING
ANDSERVICING 1A22
III INSPECTION 1D23
IV STRUCTURES 1E13
V SURFACE
CONTROLS 118
AEROFICHE
CARDNO.2
VI HYDRAULIC
SYSTEM 2A10
VII LANDING
GEARANDBRAKESYSTEM 2D19
VIII POWERPLANT(PA-31T
AND PA-31T1) 2111
AEROFICHE
CARD
NO.3
VIIIA POWER
PLANT
( PA-31T2) 3A8
IX FUELSYSTEM 3D7
X INSTRUMENTS 3F2
AEROFICHE
CARD
NO.4
XI ELECTRICAL
SYSTEM 4A7
AEROFICHE
CARD
NO.5
XII ELECTRONICS 5A9
XIII ENVIRONMENTAL
CONTROLSYSTEM
( PA-31T
ANDPA-31T1
) 5B1
AEROFICHE
CARDNO.6
XIIIA ENVIRONMENTAL
CONTROL
SYSTEM
(PA-31T2) 6A8
XIV ACCESSORIES
ANDUTILITIES 6C1
AEROFICHE
CARD
NO.
7
XV ELECTRICAL
SCHEMATICS
( PA-31T
ANDPA-31T1
) 7A5
AEROFICHE
CARD
NO.8
XVA ELECTRICAL
SCHEMATICS
(PA-31T2) 8A5
1A4 Interim Revision: 10/15/97

PIPER CHEYENNE SERVICE MANUAL
LISTOF ILLUSTRATIONS
Aerofiche
Figure Grid No.
2-1. Three View ofthe Piper Cheyenne (PA-31Tand PA-31T1) ...................................... 1B1
2-2. Three View ofthe Piper Cheyenne (PA-31T2)
..................................................... 1B2
2-3. Station Reference Lines .............................................................................. B3
2-4. AccessPlates and Panels, Fuselage, Interior, Fuselageand Empennage
(PA-31Tand PA-31T1).......................................................................... B6
2-5. Access Plates and Panels, Fuselage Interior,Fuselage and Empennage
(PA-31T2)
................... ............................................. B8
2-6. Access Plates and Panels, Wings ......... ................... ......... ................
1B10
2-7. Jacking Configuration (Typical)....................................... .. ................... 1B14
2-8. Weighing Configuration (Typical)
................................................................... B19
2-9. Leveling Longitudinally and Laterally
.............................................................. B20
2-10. TowTurn Limits and Radius
............................ B..............................B22
2-11. Service Points ......................................................................................... B24
2-12. Servicing Landing Gear Shock Struts............................................................... C4
2-12a. Tire Balancer......... ..................................................................... C7
2-12b. Aircraft Lubrication Charts ..................................... ................................ C14
2-13. Fabricated Jack Stand forPiper Jack, Part No. 18338-0
.......................................... 1D9
2-14. Fabricated TailStand .................................................................... ID10
2-15. Protective Closures Installation...................................................................... 1D11
2-16. Special Tools................................................................... ............. D16
3-1. Wing Flap Transmission Inspection................................................................ 1E2
3-2. Wing Flap Actuator Cable .......................................................................... 1E3
3-3. Friction Reduction in Wing Flap System ........................................................... 1E6
3-4. Wing Flap Motor
......... .. ......... .................................................... E8
3-5. Inspection of Aileron Sprocketand Chain....................................... 1E9
3-6. V-Band Coupling Lock Wire ................................................ ...................
4-1. Aileron and Flap Installation......................................................................... E18
4-2. Methods of Blocking TrimCables .................................................................. 1E21
4-3. Fuselage Cradle (Typical)............................................................................ E24
4-4. Wing Installation................... ........................................... F2
4-5. Empennage Installation ......... .......................................................... 1F5
4-6. Windshield Installation (Earlier Models) .......... ...... .................. .......... .... F16
4-6a. Heated Windshield (Earlier Models)................ ...................................... 1F17
4-7. Windshield Installation (Later Models)............................. ................................ F18
4-7a. Heated Windshield (Later Models).................................................................. 1F20
4-8. Windshield Wiper(PA-31T,PA-31T1)
......... .. ......... ...................... 1F21
4-8a. Windshield Wiper(PA-31T2)
........................................................................ F23
4-9. Emergency Exit and Eyebrow Window
............................................................. F24
4-9a. Storm Window Installation ......... ................................................. G3
4-10. Cabin EntranceDoor ............. ........................................................ 1G7
4-11. Cargo Door Installation ............ ............................................ G12
4-12. Checking Aileron Balance ................................................. .............. 1G19
4-13. Checking ElevatorBalance ..................... .....................
.......
.. 1G19
4-14. Elevator BalanceWeight Modification ...................................... G.........
.......... .20
4-15. Checking RudderBalance ......... ............................................................. 20
4-16. Elevator Friction Measurement...................................................................... 1H1
4-17. Skin Thickness ................................................................. 1 H3
InterimRevision:
10/15/97 1A5
Interim Revision: 10/15/97

Figure
4-18.
4-19.
4-20.
4-21.
4-22.
4-23.
4-24.
4-25.
4-26.
4-27.
4-28.
4-29.
4-30.
5-1.
5-2.
5-3.
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-11.
5-12.
5-13.
5-14.
5-15.
5-16.
5-17.
5-18.
5-19.
5-20.
5-21.
5-22.
5-23.
5-24.
5-25.
5-26.
5-27.
5-28.
5-29.
5-30.
5-App-1.
5-App-2.
5-App-3.
5-App-4.
PIPERCHEYENNESERVICEMANUAL
LIST OF ILLUSTRATIONS(cont.)
Aerofiche
Grid No.
Typical Access Holes and Panels............................................................... 1H6
Fuselage Sealing (Forward)....................... ............................................. H8
Fuselage Sealing (Aft)................................................................................ H9
Faying Surface Seal .................................................................. 12
Joggle Seal ................................................................... 1H12
Holes and VoidsSeal ................................................................ IH13
Fillet Seal.............................................................................................. H13
Bolts and Rivets Seals................................................................. 14
Wire Harness Seals ......................................... ......................... H15
Floorboard Seals .......................................... .......................... H16
Fabricated Tools .......................................... ......................... H18
Door Snubber Assembly ........................................ ........................ H23
Erosion Shoe Installation
............................................................................. 117
Control Column Installation ......................................................................... 1115
Correct Method of Installing Rod End Bearings ................................................... 1118
Rigging Bobweight ................................................................................... 1119
Aileron and Aileron Trim Controls................................................................ 1123
Installation of Bellcrank Rigging Tool.............................................................. J3
Installation ofAileron Rigging Tool ................................................................ J3
Elevator and Elevator Trim Controls ............................................................... 1J5
Installation ofElevator Rigging Tool .............................................................. 10
Elevator Travel Stops
................................................................................. 10
Safety Wiring ...................................................................... 10
Methods of Blocking Trim Cables ................................................................ IJI
Rudder and Rudder Trim Controls .................................................................. J16
Installation of Rudder Rigging Tool
................................................................ 1J19
Installation of Rudder Trim Rigging Tool.......................................................... 1J19
Rudder Pedal Installation ........................................ ......................... J24
Clamping Rudder Pedals ............................................................................. KI
Rigging of Rudder Pedals ............................................................................ K
Trim Controls Installation............................................................................ K2
Trim Screw Assembly................................................................................ K4
Flap Controls (Piper System) ..................................................... . ............. K6
Flap Selector Switch (Piper System) ................................................................ K10
Flap System Diagram (Calco) ........................ ........................................ K12
Motor Assembly,Exploded View (Calco).......................................................... IK14
Flap Controls (Calco)
................................................................................. K17
Flap Rigging Adjustments (Calco) ................................................................. IK21
Amplifier-Electrical Schematic (Calco) ............................................................ IK23
Fabricated Aileron-Elevator RiggingTool
......................................................... IL2
Fabricated Bellcrank Rigging Tool................................................................. L3
Fabricated Rudder Rigging Tool .................................................................... L4
Fabricated Rudder Trim Tab Rigging Tool ......................................................... L5
Control Cable Inspection Technique............................................................... L19
Cable Wear Pattern ................................................................................... L20
Internal Cable Wear................................................................................... L20
Pulley Wear Patterns.................................................................................. L22
1A6 Interim Revision:10/15/97

PIPER CHEYENNE SERVICE MANUAL
LISTOFILLUSTRATIONS(cont.)
Aerofiche
Figure Grid No.
6-1. Schematic Diagram ofHydraulic SystemWith Gear Door Actuators........................... 2A16
6-1a. Schematic Diagram ofHydraulic SystemWithout Gear Door Actuators ...................... 2A17
6-2. Schematic ofPower Pack ElectricalSystem ...................................................... 2A18
6-3. Power Pack Installation .............................................................................. 2B2
6-4. Location of PowerPack Components (Ozone).............................. .................. 2B3
6-5. Hydraulic Power Pack (Ozone)...................................................................... 5
6-6. Power Pack Manifold (Ozone) ...................................................................... 2B9
6-7. Power Pack Handle-Release (Ozone) .............................................................. 2B13
6-8. Safetying Control Arms (Ozone) ................................................................... 2B13
6-9. Timing of Selector Spool (Ozone)...................................... 2...........................2B15
6-10. Handle-Release Adjustment (Ozone) ............................................................... 2B16
6-11. Location of PowerPack Components (WiebelTool) ............................................ 2B20
6-12. Hydraulic PowerPack (WiebelTool)............................................................... 2B21
6-13. Power Pack Manifold (WiebelTool)............................ ................................ 2B24
6-14. Power Pack Handle-Release Mechanism (WiebelTool) ........................... .. ......... 2C2
6-15. Safetying Control Arm (WiebelTool) .............................................................. 2C5
6-16. Indexing of Selector Spool (WiebelTool)......................................................... 2C6
6-17. Handle-Release Adjustment (WiebelTool)........... ............................ 2C8
6-18. Hydraulic System Schematic ........................................................................ 2C10
6-19. Hand Pump (Ozone).................................................................................. 2C13
6-20. Hand Pump (WiebelTool)........................................................................... 2C16
6-21. Nose Gear ActuatingCylinder (Ozone OAS 2923-3) ............................................. 2C18
6-22. Nose Gear orMain Actuating Cylinder (WiebelTool WTC 2115-1,
WTC 2235-1and WTC2236-1) .................. .............................. 2C20
6-23. Main Gear ActuatingCylinder (OzoneOAS 5107-1) ............................................. 2C23
6-24. Main Gear ActuatingCylinder (WiebelTool WTC 2145-1 and WTC 2145-3) ................. 2DI
6-25. Gear Door ActuatingCylinder (Ozone OAS 2924-3) ......... ................................ 2D2
6-26. Gear Door ActuatingCylinder (WiebelTool,WTC 2114-1)......... .................. 2D5
6-26a. Gear Door ActuatingCylinder (WiebelTool,WTC 2218-1) .................................... 2D8
6-27. Hydraulic Filter ......... 2D10.........
......... ................................... 2D
6-28. Hydraulic Pump....................................................................................... 2D11
6-29. Power Pack Test Harness Schematic ......... . .................. ......... ............ 2D15
7-1. Nose Gear OleoStrut Assembly..................................................................... 2E
7-1a. Installation ofT-Rings................................................................................ 2E4
7-2. Nose Landing Gear Installation...................................................................... 2E6
7-3. Clamping Rudder Pedals in Neutral Position....................................................... 2E14
7-4. Rudder Pedals Neutral Angle ........................................................................ 2E14
7-5. Aligning Nose Gear .................................................................................. 2E16
7-6. Nose Gear Steering Installation
............................ .................................... 2E19
7-7. Main Gear OleoStrut Assembly
................................................. ................ 2E22
7-8. Main Landing Gear Installation ..................................................................... 2E24
7-8a. Aligning Main Gear .................................................................................. 2F7
7-9. Inboard Main Gear Door Hinge ..................................................................... 2F9
7-9a. Test Equipment Installation, EmergencyGear Extension System ................................ 2F12
1A7
InterimRevision:10/15/97

PIPERCHEYENNESERVICE MANUAL
LIST OFILLUSTRATIONS(cont.)
Aerofiche
Figure Grid No.
7-9b. Fabricated Test Fitting, Emergency GearExtension System..................................... 2F13
7-9c. Landing Gear Actuating System (PA-31T2)
.................................................. 2F14
7-10. Adjusting Main Gear Down Limit Switch.................................................. 2F17
7-11. Gear Warning Switches Installation............ ................................................ 2F20
7-12. Nose Wheel Assembly (B.F.Goodrich 3-1331).................................................... 2F22
7-13. Nose Wheel Assembly (B.F.Goodrich 3-1076).................................................... 2F24
7-14. Main Wheel Assembly (Goodyear 9544171-1) .................................................... 2G2
7-15. Main Wheel Assembly (Cleveland40-106 and 40-106A) ......... ............................... 2G7
7-16. B.F. Goodrich Main Wheel Installation (3-1392 and 3-1424) .................................... 2G9
7-17. B.F. Goodrich Wheel Repair Limits (3-1392 and 3-1424) ........................................ 2G12
7-18. Wheel Brake Assembly (Goodyear 5002376)...................................................... 2G17
7-19. Rivet Head Grinding Limits (Goodyear 5002376)................................................. 2G19
7-20. Fabricated Rivet Tools(Goodyear 5002376)....................................................... 2G20
7-21. Snow Shield Modification (Goodyear 5002376)................................................... 2G21
7-22. Wear Pad-Wear Limits (Goodyear 5002376)....................................................... 2G22
7-23. Limits for Repadded Pressure and Back Plates (Goodyear5002376)............................ 2G22
7-24. Brake Disc Visual Check for ServiceableLimits (Goodyear5002376)......... .................2G24
7-25. Removal and Installation of Anchor Bolts......................................................... 2H6
7-26. Wheel Brake Assembly (Cleveland 30-106) ....................................................... 2H8
7-27. B.F. Goodrich 2-1435-2 Brake Installation......................................................... 2H10
7-27a. Brake Removal WearLimit ......................................................... 211
7-27b. Brake Removal WearLimit ....................................................... 2H11
7-28. Brake Master Cylinder Assembly ........................ .................................... 2H20
7-29. Parking Brake ValveAssembly......................... ..................................... 2H20
7-30. Fabricated Tool, Nose Gear Gauge Link Travel
.................................................... 2H21
7-31. Fabricated-Tool, MainGear Side-BraceLink Travel .............................................. 2H-22
7-32. Fabricated Tool, MainGear Toe-in Adjustment
.................................................... 2H23
7-33. Nose Gear Wear Limits .......................................................... ....... 214
7-34. Main Gear WearLimits .......................................................... ....... 217
8-1. Engine Cowling ................................................................. 2116
8-2. Engine Air Inlet IceProtection System ......................................................... 2120
8-2a. Air Inlet Ice Protection System (S/N 31T-8304001and up) ...................................... 212
8-2b. Special Equipment for Rigging Inertial SeparatorDoors
(S/N 31T-8304001 and up) .................................. ................ 2122
8-3. Oil Cooler Door Installation ..................................................................... 2123
8-4. Propeller Installation ..... ........................................... 22
8-5. Typical Nicks and Removal Method ............................................................... 2J3
8-6. Engine Installation (Typical)......................................................................... 2J9
8-7. Throttle Control Cable Handling Procedure........................................................ 2J13
8-8. Engine Controls ....................................................................................... 2J15
8-9. Low Pitch Stop Switch Adjustment............................................................... 2J22
8-10. Minor Torque Adjustment
............................................................................ 2K3
8-11. Running Adjustment Settings........................................................................ 2K6
Revised: 1/5/84 1A8

PIPER CHEYENNE SERVICE MANUAL
LISTOF ILLUSTRATIONS(cont.)
Aerofiche
Figure Grid No.
8-1
la. Fuel Nozzle Adapter Inspection ................. ............................................ 2K24
8-12. Fuel Manifold Test Rig.............................................................................. 2L2
8-13. Oil Filter Element............................................................................... 2L6
8-14. Torque SystemCalibration ................ 2................
........................ 9
8-15. Cheyenne IATorquemeter Test Setup .................... ......... ......... ......... 2L12
8-16. Cheyenne IATorquemeter TransducerTest Setup.......... .................................. 2L13
8-17. T5 Thermocouple Harness Loop Resistance Check ............................................... 2L15
8-18. T5 Harness InsulationResistance Check ........................................................... 2L15
8-19. Inter-TurbineTemperature CalibrationCheck.................................................... 2L16
8A-1. Engine Cowling ...................................................................................... 13
8A-2. Engine Air InletIce Protection System.......... ............................................. 3A15
8A-3. Oil Cooler Door Installation ............................................................... 3A16
8A-4. Propeller Installation ........... ....................................................... . . 3A19
8A-5. Typical Nicks and Removal Method .................................... .......................... 3A20
8A-6. Engine Installation(Typical)......... ........................... ............... 3B3
8A-7. Throttle ControlCable Handling Procedure......... ............. .................. 3B7
8A-8. Engine Controls......... ........................................................................... 3B10
8A-9. Low Pitch StopSwitch Adjustment ......... ...................................... 3B16
8A-10. Minor Torque Adjustment
............................. .......... B.......................21
8A-11. Running Adjustment Settings
........................................................................ 3B24
8A-1la. Fuel Nozzle Adapter Inspection ................................................ ................. 3C12
8A-12. Fuel Manifold Test Rig................................................................... 3C15
8A-13. Oil Filter Element
..................................................................... .. . 3C19
8A-14. Digital/Analog Torque Calibration.................................................................. 3C21
8A-15. T5 Thermocouple Harness Loop ResistanceCheck .................. ....................3C24
8A-16. T5 Harness Insulation ResistanceCheck ......... ................................................. 3C24
8A-17. Inter-Turbine TemperatureCalibrationCheck............. ........................ 3D
9-1. Fuel System Schematic (PA-31Tand PA-31T2) ................................................... 3D10
9-2. Fuel System Schematic (PA-31TI Only) ........................................ 3D12
9-3. Tip Tank Installation
................... ....................... ..... ....... ... 3D13
9-4. Fuel Cell Installation Inboard....................................................................... 3D15
9-4a. Fuel Cell AttachingHardware...................................................................... 3D16
9-5. Fuel Cell InstallationOutboard......... D..........
............................. 18
9-6. Fuel ValveDrainPlate............................ .......... ........................... 3D20
9-7. Crossfeed Valve
....................................................................................... 3E
9-8. Fuel ShutoffValve..................................................... ................ 3E4
9-9. Fuel Filter ........................................................................................... 3E6
9-10. SubmergedFuel Boost Pump ........................................................................ 3E8
9-11. Fuel System Installation...................................... 3E...............
.............. 3E
9-12. Fuel Cell TieDetail .................................................................................. 3E 2
9-13. Fabrication ofTest Fixture for TankUnit Testing .............................................. 3E17
9-14. Test EquipmentHookup.................................. ... ....... 3E18
9-15. Test Cables for Tank Unit Testing(For TF-20, Only) ............................................ 3E20
Interim
Revision:10/15/97 A9
Interim Revision: 10/15/97

PIPER CHEYENNE SERVICE MANUAL
LISTOFILLUSTRATIONS
(cont.)
Aerofiche
GridNo.
9-16. Alternate Indicator Bench TestHookup ............................................................ 3E20
9-16a. Fuel Gauge Adjustment ......... .................................................................. 3E21
9-17. Fuel VentSystem ......... ........................................................................ 3F1
10-1. Instrument Panel Installation (Typical) ............................................................. 3F7
10-2. Pitot-Static Installation ............................................................................... 3F8
10-3. Instrument Air System Installation ................................................................ 3F9
10-4. Turn and Bank VacuumSystem ..................................................................... 3F15
11-1. Switch and Circuit Breaker Panels ......... ................................................... 4A16
11-2. Exploded Viewof D.C. Starter-Generator ......................................................... 4A19
11-3. Correct Position ofBrushes and Springs......... ........................................... 4B1
11-4. Electrical Connections of Starter-Generator......... ...................... ................... 4B1
11-5. Paralleling Voltage Chart............................................................................. 4B2
11-5a. Position of Auxilec Tool for Blowing Out Carbon Dust From
Auxilec Starter-Generator ...................................................................... 4B8
11-6. Starter-Generator (Auxilec, Inc.) .................................................................... 4B 12
11-7. Brush Shunts Positioning ................................................................ 4B13
11-8. Dimension Check of Shaft Drive Sinking .......................................................... 4B14
11-9. Locating Washer ...................................................................................... 4B14
11-10. Locating Drive Shaft ................................................................................. 4B14
11-11. Brush Running in Diagram .......................................................................... 4B16
11-1la. Autostart Electrical Float Diagram .................................................................. 4B22
11-12. Cell Layout-Nickel Cadmium Battery ............................................................. 4C5
11-13. Patch Harness ......................................................................................... 4C8
11-14. Wiring Diagram Pre-Closed Loop Test ............................................................. 4C9
11-15. Wiring Diagram Automatic Line Contactor Test......... ..................................... 4C9
11-15a. Electro Delta Wiring Diagram ....................................................................... 4C 1
11-16. Wiring Diagram Test of Overvoltage Relay ........................................................ 4C15
11-17. Landing and Taxi Lights ............................................................................. 4C15
11-18. Wing Inspection Light................................................................................ 4C21
11-18a. Logo Light Assembly Adjustments ................................................................. 4D3
11-19. Door-Ajar Switch ..................................................................................... 4D4
11-20. Stability Augmentation System Layout Diagram.................................................. 4D13
11-21. S.A.S. Servo Motor ................................................................................... 4D17
11-22. S.A.S. Computer ...................................................................................... 4D19
11-23. S.A.S. Angle of Attack Vanewith Check EquipmentInstalled ................................... 4D22
11-24. S.A.S. Stall Warning Margin Indicator............................................................. 4D23
11-25. S.A.S. Stability Augmentator EmergencyOverrideSystem ...................................... 4E5
11-25a. A.O.A. Sensor Schematic ............................................................................ 4E9
11-26. Wing Flap Switch..................................................................................... 4E18
11-27. Safety Switch Function ............................................................................... 4E18
11-28. Basic Aircraft Electrical Bus Systems (Early Models)(Typical) ................................. 4E20
11-29. Basic Aircraft Electrical Bus Systems (PA-31TS/N 31T-8120001
and up and PA-31T1S/N 31T-8104001and up) (Typical).................................... 4E21
11-30. Basic Aircraft Electrical Bus Systems (PA-31T2S/N31T-8166001 and up)
(Typical) .......................................................................................... 4E22
1A10 Interim Revision:10/15/97