1961-2004 Beechcraft Baron 55, A55, B55, C55, D55, E55, 58 Shop Manual (P/N 55-590000-13E23)
Beechcraft Models Covered & Key Technical Specifications
Models: 55, A55, B55, C55, D55, E55, 58
Sub-models / Variants: Model 55 (TC-1 thru TC-190), Model A55 (TC-191 thru TC-501, except TC-350 and TC-371), Model B55 (TC-371, TC-502 and After), Model C55 (TC-350, TE-1 thru TE-451), Model D55 (TE-452 thru TE-767), Model E55 (TE-768 and After), Model 58 (TH-1 and After)
Trade Names: Beechcraft Baron
Model Years: 1961–2004
Serial Numbers: 55 (TC-1–TC-190), A55 (TC-191–TC-349, TC-351–TC-370, TC-372–TC-501), B55 (TC-371, TC-502 and After), C55 (TC-350, TE-1–TE-451), D55 (TE-452–TE-767), E55 (TE-768 and After), 58 (TH-1 and After)
Technical Data:
- Engine Configuration: 6-cylinder, fuel-injected
- Engine Models: Continental IO-470-L (260 HP), IO-520-C (285 HP), IO-520-CB, IO-550-C (300 HP)
- Engine Oil Capacity: 12 quarts
- Oil Pressure: 30–60 psi at 2,500 rpm
- Magneto Timing (IO-470): 18°–20° BTC
- Magneto Timing (IO-520): 19°–21° BTC
- Magneto Timing (IO-550-C): 21°–23° BTC
- Spark Plug Gap: 0.018–0.022 inch
- Wing Span: 37.82 feet
- Propeller Diameter: 77–78 inches (model dependent)
Beechcraft Manual Features & Content Preview
- Official 903-page Raytheon Aircraft publication (P/N 55-590000-13E23, revised December 31, 2004) covering Beechcraft Baron 55, A55, B55, C55, D55, E55, and 58 aircraft produced between 1961 and 2004
- Documents engine, chassis, electrical, and fuel system specifications across the entire production serial-number range
- Contains 47 detailed exploded-view diagrams, 9 maintenance and overhaul tables, and extensive wiring schematics to streamline shop workflows
- Details engine-specific timing, fuel system capacities, and airframe structural limits, providing essential data for accurate hangar operations
Maintenance and System Documentation
This OEM manual breaks down exact procedures for airframe structural care. Need to inspect the wing spar carry-through or adjust the cabin door latching? The reference material provides the exact parameters. It also outlines surface control balancing and extensive ground handling protocols. You will find specific jacking sequences mapped out for models both with and without Tronair extension kits, alongside detailed mooring provisions for hangar or tiedown environments.
Handling environmental and pneumatic systems requires precision. The text clearly maps out the layout and filtering for oxygen systems, vacuum setups, and pneumatic pressure lines. When preparing an airframe for downtime, the documentation explicitly covers storage and preservation techniques for flyable, temporary, and indefinite periods to protect the aircraft off the flight line.
Specification Highlights
Section 1 delivers the crucial technical baseline for daily shop operations. Engine oil capacity is standardized at 12 quarts across the powerplant range. Oil pressure thresholds for the Continental engine series sit between 30 and 60 psi. You will also find strict ignition specs, setting spark plug gaps for Champion and A.C. units to 0.018–0.022 inches.
Hardware torque values vary significantly by airframe. For instance, front spar mounting bolts for the horizontal stabilizer demand 85–100 in-lbs on early models, jumping to 200–225 in-lbs for later configurations. The manual further outlines electrical system loads and landing gear tolerances necessary for thorough inspections. Aviation maintenance inherently carries strict safety risks. Always verify these specifications against your specific aircraft's complete OEM documentation before turning a wrench to ensure absolute flight safety.
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