Engine 
                      Topics  
                      Maintenance  | 
                    
                      
                      
                      
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                      Lycoming Overhaul Manuals 
                       
                        
                           
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                               Lycoming's 
                                official overhaul manuals are available either 
                                with or without Lycoming revision service.  
                                The revision service will send you updated pages 
                                of the manual should a change be made to the factory's 
                                recommended overhaul specifications.  
                                 
                                All overhaul manuals include Lycoming's Table 
                                of Limits. 
                              Other 
                                Lycoming overhaul manuals are Parts Catalogs are 
                                available on request. 
                              Please 
                                ask.
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              Direct 
                Drive Overhaul Manual 
                Covers all 4 and 6 cylinder direct drive engines except "76" 
                series 
                 
               
                
                   
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                       original 
                        copy with Lycoming revision service  $70.00 
                      | 
                   
                 
               
              
                
              "76" 
                series Overhaul Manual. 
               
                
                   
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                       | 
                    original 
                      copy with Lycoming revision service -   $70.00 | 
                   
                   
                    |  
                      
                       
                      
                       
                      
                       | 
                    reprint 
                      - $29.95 | 
                   
                 
               
              Sample 
                table of contents from Direct Drive Overhaul Manual 
                
               
                
                   
                    Introduction 
                                                       
                                     
                                                         
                                     
                       
                      General Description                         
                                     
                                                       
                       
                            Cylinders 
                             Valve Operating Mechanism 
                              Hydraulic Tappets 
                              Crankcase 
                              Crankshaft 
                              Crankshaft Counterweights 
                              Accessory Housing 
                              Connecting Rods 
                               Pistons 
                               Lubrication 
                      System 
                               Cooling 
                      System 
                               Induction 
                      System 
                                   
                      Carbureted 
                                   
                      Fuel Injected 
                               Turbocharger 
                      Controls 
                               Ignition 
                      System 
                       
                      General Overhaul Procedures                                
                                     
                                
                           General 
                             Cleaning 
                                Degreasing 
                                 
                      Removal of Hard Carbon 
                            Inspection      
                       
                                  
                      General 
                                  
                      Bearing Surfaces 
                                  
                      Gears 
                                  
                      Corrosion 
                                  
                      Screwed Fittings 
                                  
                      Magnetic 
                                  
                      Corrosion Prevention 
                             Repair and Replacement 
                                   
                      Damaged Parts 
                                   
                      Painted Parts 
                                   
                      Replacement of Studs 
                                   
                      Corrosion Prevention 
                            Reassembly 
                                   
                      Corrosion Prevention 
                                    
                      Prelubrication of Parts 
                                    
                      Oilite Bushings 
                                    
                      Pitch Alignment of Backlash in 
                                        
                      Bevel Gear Assemblies 
                                    
                      Table of Limits 
                                    
                      Oil Seals and Gaskets 
                                    
                      Arbitrary Replacement of Parts 
                       
                      Ignition System                        
                                     
                                                           
                       
                           General 
                            Magnetos 
                                   
                      Impulse Coupling 
                                   
                      Retard Breaker 
                             Engine Firing Order 
                             Ignition Harnesses 
                             Spark Plug 
                             Removal and Disassembly 
                                    
                      Ignition Harness 
                                    
                      Magnetos 
                             Inspection 
                                   
                      Ignition Harness 
                                   
                      Magnetos 
                             Repair and Replacement 
                                   
                      Ignition Harness 
                                   
                      Magnetos 
                             Reassembly 
                                  
                      Magnetos 
                             Installation 
                                   
                      Magnetos 
                                   
                      Timing Magneto to Engine 
                                   
                      Ignition Harness 
                       
                      Accessory Housing                                    
                                     
                                                
                       
                              Disassembly 
                              Cleaning 
                              Inspection 
                              Repair and Replacement 
                              Reassembly 
                              Dual Drives 
                              Fuel Pumps 
                              Oil Filter 
                              Oil Cooler Bypass 
                      Valve 
                       
                      Cylinders, Pistons and Valve Train      
                                     
                                              
                       
                            General 
                               Removal 
                      from Engine 
                               Disassembly 
                             Cleaning 
                             Inspection 
                                 
                      Cylinders 
                                 
                      Pistons 
                                 
                      Valve Rockers 
                                 
                      Push Rods 
                                Valves 
                                  
                      Hydraulic Tappets 
                                  
                      Valve Springs 
                              Modifications 
                              Repair and Replacement 
                                Spark 
                      Plug Inserts 
                                Valve 
                      Seats 
                                Valve 
                      Guides 
                                Valve 
                      Rocker Thrust Washers 
                                Valve 
                      Rocker Shaft Bushing 
                                 
                      Plain Steel Cylinder Barrels 
                                Chrome 
                      Plated Cylinder Barrels 
                                Valve 
                      Repair 
                                Warped 
                      Exhaust Flanges 
                              Reassembly 
                                Assembly 
                      of Pistons 
                                Assembly 
                      of Cylinders 
                                Installation 
                      of Pistons 
                                Installation 
                      of Cylinders 
                                Cylinder 
                      Head Fin Stabilizers 
                                Cylinder 
                      Painting 
                                Intercylinder 
                      Baffles  
                      Crankcase, Crankshaft and Reciprocating Parts          
                                     
                           
                              Removal of Accessories 
                                Disassembly 
                                Starter 
                      Ring Gear Support 
                              Prop. Governor 
                      Oil Line 
                                Crankcase 
                                Crankshaft 
                                     
                      Counterweights 
                                     
                      Sludge Tubes 
                                Cleaning 
                                     
                      General 
                                     
                      Piston Cooling Oil Jets 
                                Inspection 
                                   
                      Bearings 
                                   
                      Crankcase 
                                      
                      Visual 
                                       
                      Dimensional 
                                   
                      Crankshaft 
                                      
                      Visual 
                                      
                      Dimensional 
                                   
                      Camshaft 
                                      
                      Visual 
                                      
                      Dimensional 
                                   
                      Main Bearing Clearance 
                                 
                        Connecting Rods 
                                  
                          Dimensional 
                                      
                      Parallelism Check 
                                      
                      Squareness Check 
                                  
                      Crankshaft Counterweight 
                                      
                      Bushings 
                                 
                        Piston Cooling Oil Jets 
                                Repair 
                      and Replacement 
                                   
                      Crankshaft 
                                      
                      Bearing Surfaces 
                                     
                      Straightening Flange 
                                     
                      Oil Seal Surface 
                                   
                      Counterweight Bushings 
                                 
                        Counterweight Bushings 
                                   
                      Connecting Rod Bushings 
                                   
                      Crankshaft and Gear Assy. 
                                 
                        Starter Ring Gear  
                                   
                      Crankcase 
                                   
                      Oil Relief Valve Sleeve 
                                   
                      Oil Pressure Relief Valve 
                                   
                      Crankcase 
                                   
                      Crankshaft Idler Gear Shaft 
                                     
                      Recess 
                                Reassembly 
                                   
                      Crankshaft 
                                     
                      Sludge Tubes 
                                     
                      Expansion Plug 
                                     
                      Propeller Flange Bushings 
                                     
                      Gear  
                                     
                      Counterweight Assembly 
                                   
                      Connecting Rods 
                                   
                      Camshaft 
                                   
                      Crankcase 
                                   
                      Propeller Governor Drive 
                                   
                      Crankshaft Oil Seal 
                                   
                      Hydro Control Valve 
                                   
                      Generator or Alternator Drive Belt 
                                   
                      Crankshaft Idler Gears 
                       
                      Oil Sump and Fuel Induction                                                   
                                  
                          
                                General 
                                Disassembly 
                                   
                      Intake Pipes 
                                   
                      Carburetor or Fuel Injector 
                                   
                      Induction Housing 
                                   
                      Oil Sump 
                                Cleaning 
                                   
                      Oil Sump 
                                   
                      Carburetor 
                                   
                      Fuel Injector 
                                   
                      Injector Nozzles 
                                Inspection 
                       
                                   
                      Oil Sump 
                                   
                      Carburetor 
                                   
                      Fuel Injector 
                                   
                      Nozzle Assembly 
                                Repair 
                      and Replacement 
                                   
                      Intake Pipes 
                                   
                      Carburetor 
                                  
                      Fuel Injector 
                                Reassembly 
                                   
                      Induction Housing 
                                   
                      Flow Dividers 
                                   
                      Intake Pipes 
                                   
                      Nozzle Assembly 
                       
                      Test Procedures                                                      
                                     
                                               
                       
                                General 
                                Test Limits 
                                Turbocharged 
                      Engines 
                                Pressure 
                      Carburetors 
                                Run-in 
                      Procedure 
                                Run-in 
                      Schedule 
                                Oil Consumption 
                      Run 
                                Oil pressure 
                      Relief Valve 
                                Idle Speed 
                      and Mixture Adjustment 
                                Preservation 
                      and Storage (Engine) 
                                Preservation 
                      - Run 
                                Preservation 
                      and Storage Carburetors and  
                                  
                      Fuel injectors 
                       
                      Table of Limits                                                                      
                                     
                       
                       
                                 
                       
                                
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