Piper PA-31P Pressurized Navajo Illustrated Parts Catalog 1970-1977 PDF
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Piper Aircraft PA-31P Pressurized Navajo illustrated parts catalog (P/N 753 769, revised September 10, 2009) covering 1970–1977 serials from 31P-3 through 31P-7730012, with exploded views, part numbers, quantities, and serial effectivity for airframe, power plant, systems, and kits.
Description
File Details
- Manual type: Illustrated Parts Catalog
- Aircraft: Piper Model PA-31P Pressurized Navajo
- Language: English
- Page count: 554
- File format: PDF
- Document number: 753 769
- Original issue: December 18, 1972
- Revision in this file: September 10, 2009 (PR090910)
The Piper PA-31P Pressurized Navajo Illustrated Parts Catalog 1970-1977 PDF is the illustrated replacement-parts reference compiled by Piper Aircraft Corporation of Lock Haven, Pennsylvania for the pressurized twin. Each illustrated group is paired with a parts list that gives Piper part number, nomenclature, quantity required, letter codes for special use, and the serial numbers to which that item applies.
Aircraft and Serial Coverage
Use this catalog only for the PA-31P Pressurized Navajo serials printed in the serial-number section:
- 1970 models: 31P-3 to 31P-30 inclusive
- 1971 models: 31P-31 to 31P-66 inclusive
- 1972 models: 31P-67 to 31P-109 inclusive
- 1973 models: 31P-7300110 to 31P-7300172 inclusive
- 1974 models: 31P-7400173 to 31P-7400230 inclusive
- 1975 models: 31P-7530001 to 31P-7530028 inclusive
- 1976 models: 31P-7630001 to 31P-7630019 inclusive
- 1977 models: 31P-7730001 to 31P-7730012 inclusive
The same pages explain how the manufacturer’s identification plate is built: a two-number set for 1970–1972 (type certificate plus sequence), a three-number set for 1973–1974 (type, model year, sequence), and a four-number set from 1975 onward (type, model year, model code, sequence within the year). Orders must include model and serial number together with part number, name, type, and quantity.
How the Parts Lists Work
Figure-and-index numbers tie every line to a callout on the facing illustration. Indentation with asterisks shows next-higher assembly: ordering an undented door assembly includes the latch tube and its clevis and clip; ordering only the clevis brings that piece alone. The No. Req. column is aircraft quantity for a top-level item and assembly quantity for an indented item; AR means as required. Attaching hardware that is commercial stock is listed for convenience with its AN/MS identity after the name. Optional equipment is mixed into the same lists and identified by description rather than a separate optional flag. The catalog states plainly that it must not be used for rigging or installation.
Chapters Covered
- Figure 1 — View of Complete Airplane
- Section I Wing — wing installation; inboard and outboard panel parts; leading edge and leading-edge spar; rear spar; aileron; flap
- Section II Fuselage — fuselage assembly; upper forward and cabin sections; lower forward section and frame; pressure bulkhead; lower rear and center frames; aft section; structure Sta. 375–215 and 215–244; inner skin; floorboard; windshield; external windows; emergency exit windows (early and 31P-7300110-and-up); overhead windows; nose cone; cabin entrance door and door assembly; latch, step, snubber, and door inflation; forward baggage door
- Section III Tail Surfaces — tail installation; fin; rudder; stabilizer; elevator
- Section IV Landing Gear — main gear, strut, wheel, and brake; nose gear, strut, and wheel; nose-gear steering; brake system and dual brake; master cylinder and parking-brake valve; landing-gear selector mechanism
- Section V Cabin Equipment — interior finishing (early and later serials); interior windows and curtains; headliner (two serial groups); carpet; crew, passenger, 7th, 8th, and toilet seats; forward cabin divider with fire extinguisher or storage cabinet; folding table and refreshment cabinet; rear divider and beverage dispenser; baggage-compartment finishing
- Section VI Instruments — instrument panel and dual panel; true airspeed indicator; miscellaneous air and fluid lines; static air; gyro instrument lines; dual instrument air
- Section VII Power Plant — power-plant installation; engine and cylinder-head baffles; engine controls; cowl and cowl-flap mechanism; nacelle; oil cooler; propeller; propeller synchronizer and synchrophaser
- Section VIII Fuel System — fuel control panel; left and right engine fuel systems; auxiliary fuel lines; fuel-system components; fuel-flow gauge; main fuel cell and liner; nacelle and auxiliary cells and liners
- Section IX Controls — pedestal and pedestal control; aileron and aileron trim; rudder and rudder trim; elevator and elevator trim; flap control; control wheel; rudder pedals
- Section X Hydraulic System — forward and aft hydraulic installations; pumps; Ozone and Wiebel components and powerpak assemblies
- Section XI Environmental — heater and evaporator; heater assembly, combustion-air blower, and ignition; cabin pressure control; air-distribution ducts; fuselage and wing pressurization and pneumatic supply; oxygen; fuselage and wing Freon lines; Freon condenser scoop; windshield defroster; pneumatic deicing
- Section XII Electrical System — primary and auxiliary power; forward and aft electrical; instrument-panel harness; switches and circuit breakers; strobe lights (two serial groups); overhead switch panel; landing and ice-detection lights; electric windshield wiper; propeller electric deicer
- Section XIII Electronics System — AltiMatic III B, III B-1, III C, V, V-1, V F/D and V F/D-1; radio magnetic indicators; glide-slope coupler; Garrett, Communications Components, and Narco ELT; R.C.A. and Bendix RDR-110/130/140/150 radar; radar and Collins radio altimeters; encoding altimeter and altitude alerter; radio telephone; antennas, speakers, static wicks, jack and mike; radio junction box and transmitter selector; radio drawings
- Section XIV Miscellaneous — placards and exterior stencils; optional equipment kits, repair kits, and special tools; numerical index
Taken together, the Piper PA-31P Pressurized Navajo Illustrated Parts Catalog 1970-1977 PDF lets a technician walk from a visible assembly on the airplane to the exact Piper number, the next-higher assembly that contains it, the hardware that holds it, and the serial break that decides which dash number is correct. That is the whole purpose of the book: positive identification of replacement parts for this pressurized Navajo, not a substitute for a service manual.
Power Plant and Related Assemblies
The power-plant group lists ENGINE ASSEMBLY – Lycoming (TIGO-541-E1A) as quantity two, with the note to secure the engine from Lycoming-Division Avco Corporation, Williamsport. Surrounding callouts cover mounts (including rear J-9612-8 and front J-7763-26 styles), baffles, throttle and propeller cables, cowl assemblies, oil-specification placards, nacelle structure, oil cooler, propeller assembly, and the later synchronizer and synchrophaser installations. Fuel pages split left and right engine systems, auxiliary lines, cells and liners, heated-vent supersedure kit 763 994, and serial-split gauge and access plates.
IMAGES PREVIEW
Paint Colors, Kits, and Cross-Reference
Standard paint charts list acrylic lacquer and Titanine polyurethane enamel and primer colors with manufacturer numbers and Piper quart and gallon part numbers (Juneau White, Dakota Black, Bahama Blue, Madrid Red, and the remaining catalog colors, plus thinners, catalyst, reducer, and epoxy primer/converter). Section XIV adds placards and exterior stencils plus the optional-equipment, repair-kit, and special-tool list. A numerical index at the back maps part number to figure-and-index location so a number found on a tag or packing slip can be traced back to its illustration.
Revision Trail in This File
Revisions recorded from the December 18, 1972 issue through this September 10, 2009 card include PR750314, PR760109, PR760716, PR770325, PR800512, PR840611, PR060910, PR080310, PR080910, and PR090910. Individual figure pages also carry their own revision dates and frequent notes to the latest Piper Service Bulletin or Service Letter that affects a part. Where a listing is superseded, the catalog names the replacement kit (examples in the file include heated fuel vent kit 763 994 and several door, vent, and ELT kits).
Identify the Correct PA-31P Part Before You Order
With the Piper PA-31P Pressurized Navajo Illustrated Parts Catalog 1970-1977 PDF open, a shop can confirm wing-tip light assemblies by serial (navigation-only versus navigation-and-strobe), choose the matching cabin-door, window, interior-finish, or headliner group for an early versus later airplane, separate Ozone from Wiebel hydraulic powerpak pieces, and pick the AltiMatic, radar, or ELT installation that was actually fitted. Wrong dash numbers are expensive on a pressurized twin; matching figure, index, part number, and serial column is how this catalog prevents that mistake.
Correct identification matters because many PA-31P items change at documented serial breaks—wing panels, fuel vents, emergency-exit windows, strobe lights, instrument panels, and interior kits among them. Using the printed effectivity instead of a look-alike number from another Navajo variant keeps the order aligned with the airframe on the ramp.
Delivery is an instant PDF download after payment. There is no printed-book shipping delay. Open the file on a desktop, tablet, or phone in the hangar and print the figure and parts-list pages you need for a work order or parts request.
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