1975-1981 Piper Seneca II PA-34-200T Service Manual
Comprehensive service and maintenance data for the Piper Seneca II PA-34-200T, covering structures, surface controls, hydraulic systems, and more. Part number 761 590.
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Sample pages from the 1975-1981 Piper Seneca II PA-34-200T Service Manual manual
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Piper Models Covered & Key Technical Specifications
Models: Piper Seneca II PA-34-200T
Sub-models / Variants: 6-place (optional 7-place), twin-engine, low-wing monoplane, retractable tricycle landing gear, turbocharged engines
Build Years: 1975–1981
Serial Numbers: PA-34-7570001 and up
Technical Data:
- Engine: Two Teledyne Continental 6-cylinder, direct drive, wet sump, horizontally opposed turbocharged engines (TSIO-360E-1A, TSIO-360-EB, LTSIO-360E-1A, LTSIO-360-EB)
- Rated Horsepower: 200 HP at 2575 RPM
- Fuel Capacity: 98 U.S. gallons standard (128 U.S. gallons with optional tanks)
- Hydraulic Fluid Type: MIL-H-5606
- Hydraulic System Pressure: 2000–2500 psi
- Oil Sump Capacity: 8 U.S. quarts
- Tire Pressure (Main): 55 psi (at gross weight), 46 psi (with heavy-duty options)
- Tire Pressure (Nose): 31 psi (at gross weight), 34 psi (with heavy-duty options)
- Fuselage Length: 28 ft. 7.5 in.
Piper Manual Features & Content Preview
Piper Seneca II PA-34-200T Service Manual
- Covers 1975–1981 Piper Seneca II PA-34-200T aircraft, including detailed maintenance procedures for the six-place twin-engine airframe and turbocharged powerplant configuration
- Official Piper publication P/N 761 590, revised as of February 1997
- Contains 121 exploded-view illustrations, 42 maintenance-specific tables, and complete system wiring diagrams for electrical and deicing components
- File link appears in your order confirmation straight away
- OCR text layer lets you jump to a torque spec by keyword
- Suitable for printing individual sections for shop-floor use
- This 1979 reissued manual serves as the factory reference standard for the PA-34-200T series build, documenting the transition to improved service specifications and updated component serial ranges
Structural and System Documentation
This manual provides detailed instructions for the structural maintenance, ground handling, and operational inspection of the Piper Seneca II. The text covers the complete disassembly and installation of primary components including wing panels, empennage surfaces, landing gear assemblies, and powerplant units. Service topics range from lubrication charts for main and nose gear to detailed rigging procedures for ailerons, flaps, and rudder systems. Technical data is organized to support the maintenance of the fuel, hydraulic, and electrical systems, providing clear references for component replacement and alignment.
Specification Highlights
Engine specifications detail the use of Teledyne Continental TSIO-360 series powerplants, with service data for magneto timing set at 20° BTC and firing orders specified for both left and right engines. Hydraulic systems operate using MIL-H-5606 fluid, with reservoir levels and component service limits documented for the main gear oleo struts at 3.60 ±.25 inches of extension. Cylinder head bolt torque values are documented in a multi-stage sequence, while flare fitting torque requirements are listed in a dedicated table for aluminum and steel tubing. Coolant system capacity is not applicable to these air-cooled engines, but oil sump capacity is confirmed at 8 U.S. quarts. Reference values for electrical bonding and cable tensions ensure airframe integrity is maintained during all service operations.
Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 675-page Piper OEM service manual covering the 1975–1981 PA-34-200T, documenting engine, chassis, electrical, and structural specifications for the Seneca II airframe.
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