1961–2004 Beechcraft Baron 55, A55, B55, C55, D55, E55, 58 Shop Manual (P/N 55-590000-13E23)

• 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 diagrams to streamline shop workflows
• Details engine-specific timing, fuel system capacities, and airframe structural limits, providing essential data for accurate hangar operations
• Covers comprehensive factory procedures for the power plant, flight controls, landing gear, pressurization, heating and cooling, utility systems, aircraft finishes, and periodic inspections
• Equips technicians with vital visual aids including stations diagrams, lubrication charts, a table of torques, consumable materials charts, sealing charts, and flare fitting torque charts

Maintenance and System Documentation

This OEM PDF manual breaks down exact procedures for airframe structural care and complex repair work. 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.

Centralizing all critical limits and rigging tolerances, this documentation offers a significant shop advantage by reducing diagnostic and labor hours. By utilizing the step-by-step instructions for tasks that typically demand costly specialized shop visits—such as overhauling the main landing gear actuator, rebuilding the nose gear shimmy damper, replacing electric propeller deicer brushes, calibrating the fuel flow system, and fully rigging the aileron, elevator, and rudder flight controls—mechanics can confidently complete high-level maintenance in-house.

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. Dedicated troubleshooting procedures help isolate electrical and mechanical faults before parts are needlessly replaced. 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.