Piper APACHE PA-23-235 Manuals

Manuals and User Guides for Piper APACHE PA-23-235. We have 1 Piper APACHE PA-23-235 manual available for free PDF download: Service Manual

Piper APACHE PA-23-235 Service Manual

Piper APACHE PA-23-235 Service Manual (1411 pages)

Brand: Piper | Category: Tools | Size: 52 MB

Table of Contents

Introduction
3
- Section Index Guide
  3
- Table of Contents
  5
- List of Illustrations
  5
- S/N's 27-8054001 and up
  7
  - List of Tables
    18
  - Table of Contents
    21
  - Airworthiness Limitations
    23
  - Inspections
    23
  - Life Limited Parts Marking and Disposition
    23
  - Limitations
    23
  - Handling and Servicing
    26
- Weighing
  26
- 1B5
  29
- Dimensions
  29
- Station Reference Lines
  29
Three-View of PA-23-250 and PA-23-235 . . . . . . . . . . . . . . . . . . . . . 2-2. Three-View of PA-23-250 (Six Place)
30
Three-View of PA-23-250 (Six Place)
33
- Leading Particulars and Principle Dimensions
  37
- Consumable Materials
  45
- Access Playes and Panels
  51
- Access Plates and Panels PA-23-250 (Six Place)
  53
- 1C8
  54
- Access and Inspection Provisions
  54
- Serial Number Plate
  54
- Tools and Test Equipment
  54
- Torque Requirements
  54
- Weight and Balance
  54
Torque Wrench Formula
55
- 1C9
  55
  - Flare Fitting Torques
    56
  - Recommended Nut Torques (Inch-Pounds)
    57
- Station Reference Lines
  59
- Conversion Tables
  61
- 1C21
  67
- Ground Handling
  67
- Jacking Arrangements
  67
- Reserved
  67
- Weighing
  68
  - Lateral Leveling
    69
  - Longitudinal Leveling
    69
  - Mooring
    70
  - Parking
    70
- 1D1
  71
- External Power Receptacle
  71
- Operation of External Power Receptacle
  71
  - Taxiing
    71
  - Towing
    71
- 1D2
  72
- Cleaning Engine Compartment
  72
- Cleaning Landing Gear
  72
- 1D3
  73
- Cleaning Exterior Surfaces
  73
- Cleaning Headliner, Side Panels and Seats
  73
- Cleaning Windshield and Windows
  73
- 1D4
  74
- Cleaning Carpets
  74
- Coating Procedure for New Aluminum Panel - Non-Alodized
  74
- Repainting (Polyurethane Enamel)
  74
- Scratch Touch-Up on Aluminum Surface
  74
- 1D5
  75
- Epoxy Primer
  75
- Mixing Instructions for Primers and Topcoats
  75
- Polytane 6351 Primer
  75
- Wash Primer
  75
- 1D6
  76
- Mixing Instructions for Polytane Enamel
  76
- Paint Materials
  76
- Cherrylock Rivets, Removal
  77
- Standard Practices - Airframe
  77
- Cherrylock Rivet Removal
  78
- 1D9
  79
- Flareless - Tube Assemblies
  79
- Identification of Fluid Lines
  79
- Hose Line Markings
  80
- Flareless Tube Fittings
  81
- 1D12
  82
- Maximum Distance between Supports for Fluid Tubing
  82
- Support Clamps
  82
- Hydraulic System
  83
- Introduction to Servicing
  83
- Service Points, PA-23-250 (Six Place)
  86
  - Filling Powerpak Reservoir (Pressure)
    88
  - Landing Gear System
    88
  - Servicing Landing Gear
    88
  - Oleo Struts
    89
- Servicing Landing Gear Oleo Struts
  89
  - Adding Fluid to Struts
    90
  - Filling Oleo Struts
    90
  - Brake System
    91
  - Filling Brake Cylinder Reservoir
    91
  - Inflating Oleo Struts
    91
  - Servicing Brake System
    91
  - Induction Air Filter
    92
  - Power Plant
    92
  - Removal and Installation of Air Filter
    92
  - Service Instructions
    93
  - Chamber Pressure Requirements
    94
  - Servicing Propeller
    94
  - Draining Fuel System
    95
  - Draining Moisture from Fuel System
    95
  - Filling Fuel Cells
    95
  - Servicing Fuel System
    95
  - Oxygen System Safety Precautions
    96
  - Filling Oxygen Cylinder
    97
  - Indicated Oxygen Cylinder Pressures Vs. Ambient Temperature
    97
  - Draining Oil Sump
    98
  - Lubrication
    98
  - Oil System (Engine)
    98
  - Servicing Oil System
    98
  - Filling Oil Sump
    99
  - Oil Filter, Full Flow
    99
- Oil Suction Screen
  99
  - Recommendations for Changing Oil
    100
  - Application of Grease
    101
  - Application of Oil
    101
  - Lubrication Instructions
    101
  - Lubrication Chart
    102
  - Recommended Lubricating Oils
    102
  - Thread Lubricants
    103
- Lubrication Chart, PA-23-250 and PA-23-235
  106
  - Parts Nomenclature
    107
  - Type of Lubricants
    108
- Lubrication Chart, PA-23-250 (Six Place)
  113
- Structure
  119
- Table of Contents
  119
- 1F17
  123
- Description
  123
- Introduction
  123
- Removal of Wing Tip
  123
- Wing Group
  123
- Wing Tip
  123
- 1F18
  124
- Installation of Aileron
  124
- Installation of Wing Tip
  124
- Removal of Aileron
  124
- Aileron and Flap Installation
  125
- 1F21
  127
- Flap Bellcrank / Flap Horn Replacement
  127
- Installation of Flap
  127
- Removal of Flap
  127
- 1F22
  128
  - Flap Bellcrank Replacement
    128
  - Flap Bellcrank Installation
    129
  - Flap Horn Installation
    129
  - Flap Torque Tube Replacement
    129
  - Stabilator Trim / Flap Interconnect Pulley Installation
    129
- 1F24
  130
- Fuselage Cradle
  130
- Removal of Wing
  130
- 1G1
  131
- Installation of Wing
  131
- 1G8
  138
- Empennage Group
  138
- Removal of Stabilator
  138
- 1G9
  139
- Installation of New Stabilator
  139
- Installation of Stabilator
  139
- Installation of Stabilator Trim Tab
  140
- Removal of Rudder
  140
- Removal of Stabilator Trim Tab
  140
- Rudder
  140
- Stabilator Trim Tab Free Play
  140
- 1G11
  141
- Installation of Rudder
  141
- Removal of Rudder Trim Tab
  141
- Rudder Trim Tab
  141
- 1G12
  142
- Installation of Rudder Trim Tab
  142
- Removal of Vertical Stabilizer (Fin)
  142
- Empennage Installation
  143
- Fuselage Assembly
  145
- Installation of Vertical Stabilizer (Fin)
  145
- Removal of Windshield
  145
- Windshield Installation
  146
- Installation of Windshield
  149
- Removal of Side Windows (PA-23-250 [Six Place], S/N's 27-2505 and Up)
  149
  - Installation of Side Windows
    150
  - Removal of Side Windows
    150
- 1G21
  151
- Removal of Emergency Exit Assembly
  151
- Installation of Emergency Exit Assembly
  152
- Installation of Emergency Exit Window
  152
- Removal of Emergency Exit Window
  152
- Emergency Exit Window Installation
  153
- Baggage Doors
  154
- Installation of Aft Baggage Door
  154
- Removal of Aft Baggage Door
  154
- Installation of Aft Baggage Door Latch
  155
- Removal of Aft Baggage Door Latch Assembly
  155
- Installation of Baggage Door Latch (PA-23-250[Six Place])
  156
  - Installation of Forward Baggage Door (PA-23-250 [Six Place])
    156
  - Removal of Forward Baggage Door Latch (PA-23-250 [Six Place])
    156
- Cabin Entrance Door
  157
- Installation of Cabin Entrance
  157
- Removal of Cabin Entrance Door
  157
- 1H16
  170
- Fiberglass Touch-Up and Surface Repairs
  170
- Fireglass Repairs
  170
- Fiberglass Fracture and Patch Repairs
  171
  - Fuselage Frame Tubing
    172
  - Skin Materials and Thicknesses
    174
- Replacement of Damaged Nose Cone (PA-23-250, PA-23-235)
  181
  - Replacement/Installation of Nose Cone or Radome
    182
  - Nose Cone/ Radome
    183
- 1I8
  186
  - Installation of Nose Cone/Radome
    187
  - List of Materials (Thermoplastic)
    188
  - Surface Scratches, Abrasions or Ground-In-Dirt
    189
  - Deep Scratches, Shallow Nicks and Small Holes
    190
  - Mixing of Epoxy Patching Compound
    190
  - Repairing of Cracks
    191
  - Welding Repair Method
    191
  - Various Repairs
    192
  - Repair of Impacted Damage
    194
  - Repair of Stress Lines
    194
- Product Listing for Liquid Safety Walk Compound
  195
- Safety Walk Repairs
  195
- Surface Preparation
  195
- Application of Pressure Sensitive Safety Walk
  196
- Shoulder Harness Inertia Reel Adjustment
  196
- S/N's 27-2505 Thru
  233
- Adjustment of Nose Gear up Limit Switch
  452
- Adjustment of Main Gear up Limit Switch
  453
- Adjustment of Landing Gear down Limit Switches
  454
- Installation of Gear Warning Switches
  455
- Landing Gear Warning System
  455
- Removal of Gear Warning Switches
  455
- Adjusting Gear Warning Switches
  456
- Removal and Disassembly of Nose Wheel
  457
- Assembly and Installation of Nose Wheel
  458
- Inspection of Nose Wheel Assembly
  458
- Removal and Disassembly of Main Wheel
  459
- Inspection of Main Wheel Assembly
  460
- Brake Installation
  461
- Repair of Main Wheel Assembly
  461
- Assembly and Installation of Main Wheel
  462
- Bearing Cup Replacement
  462
- Brake Adjustment and Lining Tolerances
  463
- Brake System
  463
- Cleaning. Inspection and Repair of Wheel Brake Assembly
  463
- Removal and Disassembly of Wheel Brake Assembly
  463
- Wheel Brake Assembly
  463
- Removal and Installation of Anchor Bolts
  467
- Assembly and Installation of Wheel Brake Assembly
  468
- Brake Master Cylinder
  468
- Cleaning, Inspection and Repair of Brake Master Cylinder
  469
- Disassembly of Brake Master Cylinder
  469
- Assembly of Brake Master Cylinder
  470
- Installation of Brake Master Cylinder
  470
- Brake Master Cylinder Assembly
  471
- Cleaning, Inspection and Repair of Parking Brake Valve
  472
- Disassembly of Parking Brake Valve
  472
- Parking Brake Valve
  472
- Assembly of Parking Brake Valve
  473
- Bleeding Procedure
  473
- Installation of Parking Brake Valve
  473
- Bleeding Brakes
  474
- Construction of Tire Balancer
  475
- Tire Balancing
  475
  - Nose Gear Oleo Service Tolerances
    476
  - Landing Gear Oleo Service Tolerances
    477
  - Main Gear Oleo Service Tolerances
    479
  - Landing Gear and Brake System Troubleshooting
    482
  - Fabricated Tool, Checking Nose Wheel Alignment
    485
  - Rigging and Adjusting Engine Cowl Flaps
    506
  - Propeller Installation
    507
  - Removal of Propeller
    507
  - Cleaning, Inspection and Repair of Propeller
    508
  - Typical Nicks and Removal Method
    509
  - Propeller Specifications
    510
  - Blade Track
    518
  - Installation of Propeller Governor
    518
  - Propeller Governor
    518
  - Removal of Propeller Governor
    518
  - Rigging and Adjustment of Propeller Governor.
    519
  - Removal of Engine
    521
  - Engine Installation
    523
  - Installation of Engine
    526
  - Engine Installation, PA-23-250 (Six Place)
    530
  - Carburetor Maintenance
    533
  - Adjustment of Throttle and Mixture Controls.
    534
  - Installation of Carburetor
    534
  - Removal of Carburetor
    534
  - Adjustment of Idle Mixture
    535
  - Adjustment of Engine Idling Speed
    536
  - Fuel Injector
    536
  - Fuel Injector Maintenance
    536
  - Schematic of RSA Fuel Injection System
    537
  - Lubrication of Fuel Injector
    538
  - Preparation for Storage
    538
  - Removal of Fuel Injector, Nozzle Lines, Fuel Lines/Fuel Flow Divider
    538
  - Installation of Fuel Injector
    539
  - Adjustment of Idle Speed and Mixture
    540
  - Adjustment of Throttle and Mixture Controls
    540
  - Cleaning and Inspection of Fuel Air Bleed Nozzle
    542
  - Fuel Air Bleed Nozzle
    542
  - Installation of Fuel Air Bleed Nozzles
    542
  - Magneto Inspection
    543
  - Contact Spring Inspection
    544
  - Impulse Coupling
    544
  - Removal of Magneto
    545
  - Timing Procedure
    546
  - Magneto Timing Marks
    547
  - Timing Pointer
    547
  - Breaker Compartment with Cast Timing Marks
    549
  - Timing Kit Installed
    549
  - Engine Timing Marks
    551
  - Harness Assembly
    551
  - Inspection of Harness
    551
  - Removal of Harness
    551
  - Installation of Harness
    552
  - Removal of Spark Plugs
    552
  - Ignition System Schematic
    553
  - Inspection and Cleaning of Spark Plug
    554
  - Removing Spark Plug Frozen to Bushing
    554
  - Installation of Spark Plugs
    555
  - Starting Vibrator Checking Procedure
    555
  - Installation of Starting Vibrator
    556
  - Removal of Starting Vibrator
    556
  - Adjustment of Oil Pressure Relief Valve
    557
  - Installation of Oil Cooler
    557
  - Inspection and Adjustment of Ball Joint Exhaust System
    558
  - Adjustment of Ball Joint Exhaust System
    560
  - Engine Troubleshooting
    562
  - Power Plant (Turbocharged)
    576
  - Installation of Cowl Flap Control Cable
    584
  - Removal of Cowl Flap Control Cable
    584
  - Installation of Cowl Flap Assembly
    585
  - Engine Shock Mounts
    599
  - Replacing Engine Shock Mounts
    599
  - Cleaning or Replacing Turbo Oil Filter Element
    641
  - Lockwiring V-Band Coupling
    641
  - V-Band Coupling 100 Hour Inspection
    641
  - Engine Troubleshooting (Fuel Injection)
    642
  - Power Plant (Lycoming Turbocharged)
    658
- Grid no
  689
  - Fuel System
    690
  - Fuel System Diagram (2 Valves)
    691
  - Fuel System Diagram
    692
  - Fuel Cells
    698
  - Removal of Fuel Cells
    698
  - Cleaning, Inspection and Repair of Fuel Cells
    699
  - Removal of Wing Tip Fuel Cell
    699
  - Wing Tip Fuel Cell Installation
    701
  - Fuel Cell Compartment
    702
  - Resealing Inboard Fuel Cell Wing Cavity Area
    702
  - Fuel Cell Installation and Vent System
    703
  - Installation of Fuel Cell
    705
  - Molded Nipple Fittings
    705
  - Installation of Wing Tip Fuel Cell
    706
  - Handling and Storage of Fuel Cells
    707
  - Repair of Fuel Cell
    707
  - Testing Fuel Cells
    709
  - Checking Fuel Quantity Indicating System
    710
  - Fuel Quantity Indicating System
    710
  - Fuel Indicating System Wiring Schematic
    711
  - Checking Fuel Quantity Sender
    712
  - Checking Fuelgauges Schematic
    712
  - Gauge Check
    713
  - Removal and Installation of Wing Tip Fuel Sight Gauge
    713
  - Removal of Fuel Sender
    713
  - Disassembly of Fuel Selector Valve
    714
  - Installation of Fuel Sender
    714
  - Removal of Fuel Selector Valve
    714
  - Assembly of Fuel Selector Valve
    715
  - Cleaning. Inspection and Repair of Fuel Selector Valve
    715
  - Leak Test of Fuel Selector Valve
    715
  - Fuel Selector Valve Installation
    716
  - Installation of Fuel Selector Valve
    716
  - Adjustments for Fuel Shut-Off Valve Controls
    717
  - Fuel Selector Valve
    717
  - Cleaning, Inspection and Repair of Fuel Selector Valve
    718
  - Assembly of Fuel Valve
    719
  - Leak Test of Selector Valve
    719
  - Fuel Selector Valve Installation (Scott)
    720
  - Adjustment and Lubrication of Fuel Selector Valve
    721
  - Inspection and Leak Test of Fuel Selector Valve
    722
  - Assembly of Fuel Crossfeed Valve
    730
  - Leak Test of Crossfeed Valve
    730
  - Fuel Filter
    731
  - Installation of Fuel Crossfeed Valve
    731
  - Removal of Fuel Filter
    731
  - Disassembly of Fuel Filter Assembly
    732
  - Disassembly, Inspection and Assembly of Fuel Filter
    732
  - Assembly of Fuel Filter.
    733
  - Cleaning. Inspection and Repair of Fuel Filter
    733
  - Electric Fuel Pumps
    734
  - Installation of Fuel Filter Assembly
    734
  - Plunger Fuel Pumps (Bendix)
    734
  - Removal of Fuel Pump
    734
  - Assembly of Fuel Pump
    736
  - Cleaning, Inspection and Repair of Fuel Pump
    736
  - Resistance Check (Plunger Type Pump)
    736
  - Bendix Electric Fuel Pumps (Early and Late)
    737
  - Adjustment of Electric Fuel Pump (Bench Test)
    738
  - Adjustment of Electric Fuel Pump (in Airplane)
    738
  - Installation of Fuel Pump
    738
  - Disassembly of Fuel Pump
    739
  - Removal of Fuel Pumps
    739
  - Weldon Rotary Fuel Pump
    740
  - Shaft Seal Installation
    742
  - Fuel System Troubleshooting
    748
  - Fuel System Pressures
    751
Fuel Selector Valve Control Cables
752
- Electrical Symbols
  761
- Instrument Markings - PA-23-250 (Six Place)
  761
- Instrument Troubleshooting
  761
- Summary of Alternator Checks
  761
  - Instruments
    762
  - Pitot-Static Instruments
    774
  - Vacuum-Gyro Instruments
    774
  - Electrical Instrument
    775
  - Miscellaneous Instruments
    776
  - Removal of Instruments
    776
  - Adjustment of Vacuum Regulator and Relief Valves
    780
  - Gyro Vacuum System
    782
  - Installation of Vacuum Test Selector Valve
    788
  - Manifold Pressure Gauge Filters
    788
  - Removal of Vacuum Test Selector Valve
    788
  - Vacuum Test Selector Valve.
    788
  - Exhaust Gas Temperature Gauge
    789
  - Installation of Egt Probe and Gauge
    789
  - Removal of Egt Probe and Gauge
    789
  - Instrument Markings
    790
  - Troubleshooting - Instruments
    792
  - Electrical System
    801
- Index - Electrical System Schematics
  805
  - Description of Generator Paralleling System
    811
  - Description of Generator System
    811
  - Generator Wiring System Schematic
    812
  - Checking Generator System
    813
  - Adjustments, Tests and Maintenance of Generator System
    814
  - Low Battery and High Charging Rate
    814
  - Inspection of Generator
    815
  - Sectional View of Generator
    816
  - Shunt Generator Output
    816
  - Checking Defective Generators
    817
  - No Output
    817
  - Wiring Circuit
    818
  - Excessive Output
    819
  - Unsteady or Low Output
    819
  - Noisy Generator
    820
  - Armature Service
    821
  - Field Coil Service
    821
  - Generator Service Test Specifications
    822
  - Polarizing Generator.
    822
  - Cutout Relay
    823
  - Description of Regulator
    823
  - Current/Voltage Regulator
    824
  - Voltage Regulator
    824
  - Current Regulator
    825
  - Resistances
    825
  - Regulator Polarity
    826
  - Temperature Compensation
    826
  - Maintenance Instructions
    827
  - Regulator Maintenance
    827
  - Cleaning Contact Points
    828
  - Adjusting Voltage Regulator Setting
    830
  - Cutout Relay Air Gap Check and Adjustments
    832
  - Cutout Relay Point Opening Check and Adjustment
    832
  - Adjustment of Cutout Relay Closing Voltage
    833
  - Checking Cutout Relay Closing Voltage
    833
  - Checking Current Regulator, Jumper Lead Method
    834
  - Checking Current Regulator, Load Method
    834
  - High Points on Regulator Performance and Checks
    835
  - Radio By-Pass Condensers
    835
  - Regulator Armature Replacement
    835
  - Regulator Service Test Specifications
    836
  - Air Gap
    837
  - Paralleling Relay
    837
  - Point Opening
    837
  - Relay Checks and Adjustments
    837
  - Relay Service Test Specifications
    838
  - Alternator System
    839
  - Checking Alternator System
    839
  - Description of Alternator
    839
  - Alternator System Wiring Schematic (Delco-Remy)
    841
  - Cross-Sectional View of Alternator
    842
  - Checking Rotor
    843
  - Checking Stator
    844
  - Slip Ring End Frame
    844
  - Checking Diodes
    845
  - Bearing Replacement and Lubrication
    846
  - Diode Replacement
    846
  - Slip Ring Servicing
    846
  - Brush Holder Assembly
    847
  - Brush Replacement
    847
  - Exploded View of Heat Sink Assembly
    848
  - Heat Sink Replacement
    848
  - Alternator Output Check
    849
  - Alternator Service Test Specifications
    850
  - Summary of Alternator Checks
    851
  - Checking Regulator Circuit
    852
  - Checking Relay
    854
  - Relay Tests
    855
  - Exploded View of Alternator
    856
  - Alternator Blast Tube Routing
    857
  - Alternator Service Inspection
    857
  - Overhaul of Alternator
    857
  - Alternator System Wiring Schematic (Prestolite)
    858
  - Removal of Rectifier
    859
  - Removal of Slip Ring End Bearing
    859
  - Removal of Drive End Head
    860
  - Removal of End Head Bearing
    860
  - Testing Rotor for Grounds
    861
  - Testing Rotor for Shorts
    861
  - Assembly of Alternator
    862
  - Installation of Bearing
    862
  - Installation of Rectifier
    862
  - Slip Ring End Bearing Assembly
    863
  - Terminal Assembly
    863
  - Testing of Alternator.
    864
  - Alternator Nomenclature
    865
  - Brush Installation
    865
  - Checking Alternator Paralleling System
    867
  - Description of Alternator Paralleling System
    867
  - Operation of Regulator (Prestolite)
    871
  - Operation of Regulator (Lamar)
    872
  - Regulator Diagram (Lamar)
    873
  - Regulator Diagram (Prestolite)
    873
  - Balancing Circuit Operation
    874
  - Testing Regulator (Prestolite)
    875
  - Testing Regulator (Lamar)
    876
  - Adjusting Regulator (Prestolite)
    877
  - Application of Over-Voltage Control
    880
  - Testing Over-Voltage Control
    880
  - Overvoltage Relay Operational Check
    881
  - Checking Generator or Alternator Belt Tension
    882
  - Checking Starting Motor
    885
  - Operation of Starting Motor
    885
  - No-Load Test Hookup
    886
  - Lock-Torque Test Hookup
    887
  - Resistance Test Hookup
    887
  - Component Inspection and Repair
    889
  - Starting Motor Service Test Specifications
    890
  - Exploded View of Gear Reduction Starting Motor
    891
  - Testing Motor Armature for Shorts
    894
  - Turning Starting Motor Commutator
    894
  - Bendix Drive
    895
  - Brush Holders
    895
  - Field Coils
    895
  - Gear and Pinion Housing
    895
  - Bench Tests
    896
  - No-Load Test Hook-Up
    896
  - Stall-Torque Hook-Up
    896
  - Starting Motor Control Circuit
    897
  - Charging Battery
    899
  - Installation of Battery
    899
  - Removal of Battery
    899
  - Servicing the Battery
    899
  - Battery Box Corrosion Prevention
    900
  - Checking Electrical Switches and Circuit Breakers
    900
  - Hydrometer Reading and Battery Charge Percent
    900
  - Installation of Landing Light
    901
  - Removal of Landing Light
    901
  - Installation of Lamp in Anti-Collision Wing Tip Strobe Light
    903
  - Removal of Lamp in Anti-Collision Strobe Light
    903
  - Removal of Lamp in Anti-Collision Wing Tip Strobe Light
    903
  - Electrical System Troubleshooting
    907
- Electrical System Troubleshooting
  913
- Lamp Replacement Guide
  918
- Circuit Load Chart
  920
- Electrical Wire Coding
  927
  - Electrical Symbols
    928
  - Fuel Pumps Schematic
    929
  - Pitot Heat Schematic
    939
  - Navigation and Instrument Lights Schematic
    940
  - Post Lights Schematic
    947
  - Rotating Beacon (14-Volt and 28-Volt)
    949
  - Anti-Collision Light (Red)
    950
  - Stall Warning Schematic (14-Volt and 28-Volt)
    951
  - Stall Warning Schematic
    952
  - Turn and Bank Schematic
    954
  - Accessory and Autopilot Schematic
    955
  - Heated Windshield Schematic
    955
  - External Power Supply
    956
  - External Power Supply. PA-23-250 (Six Place)
    957
  - Generator System Schematic (Delco-Remy, 14-Volt and 28-Volt)
    958
  - Interior Lights Schematic, PA-23-250 (Six Place)
    973
  - Red Anti-Collision Strobe Light (Optional)
    984
  - White Anti-Collision Strobe Light
    989
  - Landing and Taxi Lights
    995
- Heater Troubleshooting (Janitrol) 14 Volt
  1018
- Heater Troubleshooting (Janitrol) 28 Volt
  1018
- Heater Troubleshooting (South Wind)
  1018
- Pneumatic Deicer Operating Pressures
  1018
- Pneumatic Deicer System Troubleshooting
  1018
- Description
  1020
- Emergency Locator Transmitter
  1020
- Introduction
  1020
- Removal and Installation (Garrett Mfg. Ltd. 2 Year Magnesium Battery)
  1020
- Two Year, Magnesium Battery Connection (Garrett)
  1021
- Removal and Installation (Communications Components Corp. Alkaline Battery)
  1024
- Inadvertent Activation
  1029
  - Piper A.f.C.s. Equipment
    1030
  - Emergency Locater Transmitter Schematic (Garrett)
    1031
  - Radio Shelf Capacities
    1031
  - Emergency Locator Transmitter Schematic
    1032
  - Emergency Locator Transmitter Schematic (Narco)
    1033
  - ELT Portable Folding Antenna (Narco)
    1034
  - ELT Using Fixed Aircraft Antenna (Narco)
    1034
  - Avionic Antenna Locations
    1035
- General
  1039
- Heating and Ventilating
  1039
- S/N's 27-2000 Thru 27-2504
  1039
  - Heating and Ventilating System
    1044
  - Heater Operational Instructions
    1052
  - Heater Safety Limit Switch
    1052
  - Inspection of Heater and Heater Components
    1052
  - Flow System (South Wind Heater)
    1054
  - Fuel Safety Valve (Cutaway View)
    1055
  - Lockout Overheat Switch
    1056
  - Overheat Switch
    1056
  - Thermal Fuse
    1056
  - Cycling Switch
    1057
  - Fuel Control Valve
    1057
  - Systems
    1057
  - Combustion Air System
    1058
  - Wiring, Models 940-D and 940-DA
    1059
  - Wiring, Models 940-DB and 940-K
    1059
  - Electrical System.
    1060
  - Flame Detector Switch
    1060
  - Igniter
    1060
  - Ventilating Air System
    1060
  - Removal of Heater
    1066
  - Heater Terminal Block Wiring
    1067
  - Heater Terminal Block Wiring Test
    1067
  - Installation of Heater
    1067
  - Heater Installation (PA-23-235 and PA-23-250)
    1068
  - Heater Installation
    1070
  - Ventilating Air Blower
    1082
  - Combustion Air Blower
    1085
  - Cycling Overheat Switch
    1085
  - Standpipe and Preheater Resistor
    1085
  - Combustion Air Motor
    1086
  - Heat Exchanger
    1086
  - Fuel Flow Test Set up
    1097
  - Fuel Flow Chart
    1098
  - Overheat Switch Test
    1098
  - Burn Test
    1099
  - Cycling Switch Test
    1100
  - Description of Heater and Basic Components
    1109
  - Spark-Spray Ignition
    1109
  - 100 Hour Inspection
    1110
  - Duct Switch
    1110
  - Fuel Regulator and Shutoff Valve
    1110
  - Installation of Janitrol Heater
    1114
  - Electrical Continuity Check
    1115
  - Heater Electrical System Checks
    1115
  - Vent Blower Power Circuit Check
    1116
  - Starting Power Circuit
    1117
  - Spark Plug Gap Adjustment
    1120
  - Vibrator Assembly
    1121
  - Ignition Assembly
    1122
  - Cycling Switch and Limit (Overheat) Switch
    1123
  - Spark Plug Fixture
    1124
  - Wiring - Test Setup
    1124
  - Combustion Air Pressure Switch
    1125
  - Inspection of Heater Fuel Valve
    1146
  - Removal of Heater Fuel Valve
    1146
  - Replacement of Fuel Filter Element
    1146
  - Heater Operation
    1148
  - Installation of Heater Fuel Valve
    1148
  - Janitrol Heater. Pa-23-250E
    1148
  - Heater Assembly and Combustion Air Blower
    1149
- Maintenance
  1196
- Testing for Leaks
  1196
- Removal of Oxygen Cylinder and Regulator
  1202
- Installation of Oxygen Cylinder and Regulator
  1203
- Removal of Oxygen Cylinder Recharge Valve
  1204
- Installation of Oxygen Cylinder Recharge Valve
  1205
- Installation of Pressure Gauge
  1205
- Removal of Pressure Gauge
  1205
- Cleaning of Face Masks
  1206
- Installation of Outlets
  1206
- Purging Oxygen System
  1206
- Removal of Outlets
  1206
- Description and Principles of Operation
  1207
- Propeller De-Icer System
  1207
- Fifty-Hour Inspection
  1212
- Inspection
  1212
- One-Hundred Hour Inspection
  1214
- Troubleshooting
  1217
- Timer Test
  1218
- Using Ammeter
  1218
- Brush Block Resistance Check
  1219
- De-Icer Resistance Check
  1219
- Propeller Deicer System Troubleshooting
  1221
- Electrical
  1227
- Overall Procedures
  1227
- Switch, Circuit Breaker. Ammeter, Timer, Harness
  1228
- Brushes
  1231
- Blade De-Icers
  1236
- Eccentric Running
  1236
- Cementing Procedure
  1237
- Blade De-Lcer Surface, Outboard of Clamp
  1238
- Clamp Sponge Cushion
  1240
- Pneumatic De-Lcer System
  1243
- Electrical Test
  1248
- System Checkout
  1248
- Component Maintenance and Replacement
  1249
- Inspection (Preflight)
  1313
Engine Controls Bracket Inspection
1315
- Inspection (Post Flight)
  1319
Outboard Flap Hinge Inspection
1359
- S/N's 27-3050, 27-3154 Thru 27-7405330
  1359
Stabilator Tip Tube and Weight Assembly
1363
Landing Gear Selector Lever
1367
- Inspection (100 Hours)
  1368
Stabilator Lower Surface Rivets and Rib Attachment
1369
Flap Bellcrank Inspection
1371
Fuselage Frame Inspection
1373
Elongation Limits
1376
- Inspection (500 Hours and Pressure Test)
  1377
- Control Cable Inspection
  1378

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