Service Bulletins| Name | Revision | Lang | Subject | Date | 
|---|
            
                | SB 16 |  | en | Use of Gasoline with High Lead Content | 02/16/1942 | 
            
                | SB 27 |  | en | Advance Information Covering Engines 6A4-150-B31 and 6A4-150-B3 Used in Stinson 150 Voyager | 02/08/1946 | 
            
                | SB 28 |  | en | Generator Gear Absorber and Hub for Stinson Voyager 150 Aircraft | 04/08/1946 | 
            
                | SB 31 |  | en | Oil Cooler Reinforcements for Model 6A4-150-B3 Engines | 05/21/1946 | 
            
                | SB 32 |  | en | Effect of Primer on Engine Operation on Model 6A4-150-B3 Engines as Used in Stinson 150 Voyager | 05/24/1946 | 
            
                | SB 33 |  | en | Diagram of Installation of High Tension Ignition Wires as Used on 6A4-150-B3 Franklin Engines | 06/04/1946 | 
            
                | SB 34 |  | en | 25 Hour Check on Oil Cooler Reinforcement Tension Band Nuts - Model 6A4-150-B3 Engines | 08/15/1946 | 
            
                | SB 38 |  | en | Oil Seepage at Valve Rocker Covers and Lifter Rod Tube Packings on 6A4-150-B3 Engines | 10/14/1946 | 
            
                | SB 42 |  | en | Auto-Lite Spark Plugs as Used on the Franklin Models 6A-215-B8F and B9F Engines in the Republic Seabee | 11/21/1946 | 
            
                | SB 43 |  | en | Oil Seepage at Lifter Rod Tube Packings on Model 6A4-150-B3 Franklin Engines | 11/21/1946 | 
            
                | SB 44 | revised | en | Loose Plugs in Inlet Manifolds on 6A-215-B8F & B9F Engines | 09/21/1953 | 
            
                | SB 46 |  | en | Suggestions for Cold Weather Operation on Franklin Engines Model 6A4-150-B3 and 6A4-150-B31 | 01/14/1947 | 
            
                | SB 47 |  | en | Engine Mount Bold Lock Washers fro 6A-215-B8F Engines | 01/17/1947 | 
            
                | SB 48 |  | en | Fuel Pump Installation on 6A4-150-B3 and B31 Engines as Used on Bellanca Cruisair | 02/08/1947 | 
            
                | SB 49 |  | en | Battery and Magneto Ignition on Franklin Engines in Seabee Installation | 03/27/1947 | 
            
                | SB 50 |  | en | Installation of Engine Cooling Fan and Starter Gear Assembly on Franklin Model 6A8-215-B8F and B9F Engines as Used in Seabee Installations | 04/10/1947 | 
            
                | SB 51 |  | en | Fuel Consumption Chart for Franklin 6A8-215-B8F and B9F Engines at a 75% Power Cruise Condition | 04/10/1947 | 
            
                | SB 53 |  | en | Oil Level in Model 6A8-215-B8F and B9F Engines as Used in Republic Seabee Installation | 04/30/1947 | 
            
                | SB 54 |  | en | Bendix-Scintilla Magnetos Model S6LN-21 as Used on Franklin Engine Model 6A4-150-B3 and 6A4-165-B3 in Stinson Voyagers | 05/27/1947 | 
            
                | SB 55 |  | en | Chafing of Balance Pipe on Model 6V4-178-B3 and B32 and 0-335-1 and 0-335-3 Engines Used on Bell Helicopter Installation | 05/28/1947 | 
            
                | SB 57 |  | en | Revised Attachment of Fan and Starter Gear Assembly on Franklin Models 6A8-215-B8F and B9F as Used in Seabee Installation | 06/11/1947 | 
            
                | SB 57 | revised | en | Revised Attachment of Fan and Starter Gear Assembly on Franklin Models 6A8-215-B8F and B9F as Used in Seabee Installation | 09/21/1953 | 
            
                | SB 58 |  | en | Checking Floating Oil Screen on Franklin Engines Model 6A8-215-B8F and B9F as Used in Seabee Installation | 06/11/1947 | 
            
                | SB 59 |  | en | Replacement of Float Type Oil Inlet Screen on Franklin Engines Model 6A8-215-B8F and B9F up to and Including Engine #24065 | 10/22/1947 | 
            
                | SB 59 | revised | en | Replacement of Float Type Oil Inlet Screen on Franklin Engines Model 6A8-215-B8F and B9F up to and Including Engine #24065 | 09/22/1953 | 
            
                | SB 60 |  | en | Conversion of Early Model 6A8-215-B8F Franklin Engines as Used in the Seabee Installation to Incorporate the Floating Bearing Assembly at the Propeller End and Large Oil Pump and By-Pass Plate Assembly | 10/28/1947 | 
            
                | SB 60 | revised | en | Conversion of Early Model 6A8-215-B8F Franklin Engines as Used in the Seabee Installation to Incorporate the Floating Bearing Assembly at the Propeller End and Large Oil Pump and By-Pass Plate Assembly | 09/22/1953 | 
            
                | SB 61 |  | en | Accelerator Pump Kit, Part A666-581, for Engines with the Marvel-Schebler MA-3-SPA Carburetor | 10/27/1947 | 
            
                | SB 62 | revised | en | Drilling Moisture Drain Holes in Scintilla-Magneto Breaker Covers | 06/01/1955 | 
            
                | SB 63 |  | en | Fuel and Lubricating Oil as Used in Franklin Engines | 12/10/1947 | 
            
                | SB 64 |  | en | Rocker Arm Pin Replacement in Fuel Pump as Used on Model 6V4-178-B3 and B32 and 0-335-3 Engines in Bell Helicopter Installation Covering Fuel Pump Aircooled Motors, Inc., Part No 17940, AC Part No 1539096 | 01/29/1948 | 
            
                | SB 65 | revised | en | Magneto Shock Absorber Drives on Franklin Engines 6A4-150-B3, 6A4-150-B31 and 6A4-165-B3 | 03/02/1948 | 
            
                | SB 66 |  | en | Fuel Pumps, Aircooled Motors, Inc. Part #14876 and #14877 as Used on Models 6A8-215-B8F and B9F Franklin Engines in the Republic Seabee Installation | 06/14/1948 | 
            
                | SB 69 |  | en | Cylinders Used on Model 6A4-150-B3 and B31 Engines in the Early 11,000 Serial Number Series on Stinson and Bellanca Installations | 08/17/1948 | 
            
                | SB 69 | revised | en | Cylinders Used on Model 6A4-150-B3 and B31 Engines in the Early 11,000 Serial Number Series on Stinson and Bellanca Installations | 09/22/1953 | 
            
                | SB 70 | revised | en | Ground Spring and Ground Wire Assembly as Used on Bendix-Scintilla Magnetos on Franklin Engines | 06/01/1955 | 
            
                | SB 71 |  | en | Fuel Pumps and Drain Lines for Model 6A8-215-B8F and B9F Franklin Engines as Used in Republic Seabee Installation | 11/22/1948 | 
            
                | SB 71 | revised | en | Fuel Pumps and Drain Lines for Model 6A8-215-B8F and B9F Franklin Engines as Used in Republic Seabee Installation | 09/22/1953 | 
            
                | SB 79 | revised | en | Carburetor Distributor Zones as Used on 6A4-150 and 6A4-165 Engines | 06/01/1955 | 
            
                | SB 86 | revised | en | Inspection of Oil Pump Gears on Franklin 6V4-178-B32, B33, 6V4-200-32, 0-335-2, 0-335-3, 0-335-4, YO-335-5, 0-335-5, YO-335-6 & 0-335-6 Engines | 11/01/1951 | 
            
                | SB 91 | revised | en | Magnaflux Acceptance Standard for Connecting Rods for 6A4-150, 6A4-165, 6V4-178 and 6V4-200 Engines | 06/01/1955 | 
            
                | SB 96 |  | en | Connecting Rod Bolt Nut Torque Limit | 09/15/1953 | 
            
                | SB 96 | B | en | Connecting Rod Bolt Nut Torque Limit | 05/25/1960 | 
            
                | SB 98 | revised | en | Cylinder Assembly - Inspection of Hold-Down Washer Spot Face Area | 06/01/1955 | 
            
                | SB 99 |  | en | Connecting Rod Modification | 01/10/1956 | 
            
                | SB 105 |  | en | Removal of a Specific Lot of P/N 19751 Connecting Rods from Use | 05/15/1963 | 
            
                | SB 107 |  | en | Inspection of Carburetor Zone for Cracks | 12/01/1964 | 
            
                | SB Index |  | en | Index to Franklin Service Bulletins | 05/01/1956 |