Continental C75 & C85 Aircraft Engine Service Manual & Parts List (1946) PDF
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Maintain airworthiness with the official Continental C75 & C85 Aircraft Engine Service Manual. This vintage 1946 aviation maintenance guide covers Series 12, 12F, 12J, and 12FJ models. It provides complete C75 overhaul instructions, operating limits, and a comprehensive aircraft engine parts list. Whether you need Stromberg NA-S3A1 adjustment data or torque specs, this Continental C85 service manual is the definitive resource for mechanics and restorers.
Description
Continental C75 & C85 Aircraft Engine Service Manual & Parts List (1946) PDF DOWNLOAD
DESCRIPTION
Ensure your classic aircraft performs safely and reliably with the official Continental Models C75 and C85 Instruction and Service Manual. Published in April 1946, this authentic digital reproduction is a “must-have” for owners of vintage light aircraft. It serves as a combined Operator’s Manual, Maintenance Guide, and Illustrated Parts Catalog.
Whether you are performing a 100-hour inspection or a complete engine rebuild, this manual provides the factory-approved data you need. It includes detailed C75 overhaul instructions, troubleshooting charts, and precise Eisemann magneto timing procedures. The document also features a fully exploded aircraft engine parts list, making it easy to identify and order the correct components for your Series 12, 12F, 12J, or 12FJ engine.
The manual is methodically organized into five main groups: Operating Instructions, Overhaul, Table of Limits, Parts List, and Accessories.
Comprehensive Table of Contents:
Operating & Maintenance
General Description: Cylinders, Valve Mechanism, Lubrication, & Fuel Injection.
Installation: Engine Mounting, Fuel Systems, & Oil System setup.
Operating Instructions: Starting, Warm-up, Take-off, Landing, & Stopping.
Troubleshooting: Failure to Start, Low Oil Pressure, Rough Running, & Low Power.
Service Inspection: Daily & 100-Hour Inspection checklists.
Minor Repairs: Carburetor removal, Magneto installation, & Ignition wiring.
Overhaul Instructions
Disassembly: Step-by-step tear down of Sump, Cylinders, Pistons, & Crankcase.
Cleaning & Inspection: Visual inspection guide for Crankshafts, Camshafts, & Bearings.
Repair & Replacement: Stud replacement, Valve Grinding, & Cylinder boring limits.
Reassembly: Connecting Rods, Piston Ring installation, & Gear timing.
Table of Limits: Manufacturing and Service tolerances.
Parts List & Accessories
Group Assembly Parts List: Crankcase, Crankshaft, Cylinder, & Valve train.
Numerical Parts List: Complete index of part numbers.
Oversize & Undersize Parts: Charts for bearings, studs, and guides.
Accessories:
Stromberg NA-S3A1 Adjustment & Service.
Eisemann Magneto Timing (Type LA-4).
Wilcox-Rich Hydraulic Tappets.
Delco-Remy Starter & Generator.
Technical Specifications Included:
| Specification | Model C75 | Model C85 |
| Rated BHP | 75 at 2275 R.P.M. | 85 at 2575 R.P.M. |
| Compression Ratio | 6.3 to 1 | 6.3 to 1 |
| Cruising RPM | 2150 | 2400 |
| Fuel Consumption | 4.8 gal/hr | 5.7 gal/hr |
| Oil Sump Capacity | 4 Quarts | 4.5 Quarts |
FILE DETAILS
Manual Name: Continental C75 and C85 Instruction and Service Manual
Models Covered: Continental C75 & C85 (Series 12, 12F, 12J, 12FJ)
Year: 1946 (April Edition)
Manual PDF Quality: High-Quality Scanned PDF (Clear, Searchable Text)
No. of Pages: 113
Keep a piece of aviation history flying! Download this manual instantly to access the original factory specs, torque limits, and exploded views you need to keep your Continental engine running smooth and strong.
