HAM-STD Service Bulletins

Number of pages: 6Part Number: No. 101Revision Date: 29-April-1949Description: Ref 460 - Redesigned Speeder Spring Collar, Ref 461 - Magnetic Inspection Time Interval, Ref 462 - Speeder Spring No. 63333, Ref 463 - Modification of Accumulator Governor...

Number of pages: 2Part Number: No. 112Revision Date: 8-April-1949Description: Ref 518 - Condemnation of Hammer Peening Outside of Shot-Blasted Area, Ref 519 - Local Repair of Surface-Treated Blades, Ref 520 - Effect of Vibration Absorber, Ref 521 -...

Number of pages: 2Part Number: No. 117Revision Date: 15-Jan-1947Description: Ref 536 - Changes in the Extent of Surface Treatment of Aluminum Alloy Blades

Number of pages: 2Part Number: No. 118Revision Date: 14-Feb-1947Description: Ref 538 - Higher Pressure Auxiliary Check Valve Spring, Ref 539 - New Attaching Clamp for Electric Heads on Double-Acting Governors, Ref 540 - Two Pressure Cut-Out Switches on...

Number of pages: 2Part Number: No. 106Revision Date: 2-April-1946Description: Ref 496 - Use of Straw Colored Spring Pack Springs, Ref 497 - Modification of Involute Spline Gage M-706, Ref 498 - Importance of Proper Blade Maintenance, Ref 499 - Rework...

Number of pages: 6Part Number: No. 107Revision Date: 8-Dec-1949Description: Ref 503 - Correction to Service Manual 123, Ref 504 - Approval of A11C1 Blades on Continental R-670 and Lycoming R-680 Engines, Ref 505 - Revision of Reference 436, Service...

Number of pages: 2Part Number: No. 113Revision Date: 12-Nov-1946

Number of pages: 4Part Number: No. 104Revision Date: 14-Feb-1946Description: Ref 491 - Approval of 5B1 Blades on Lycoming R-680 and Continental R-670 Engines, Ref 492 - Vibration Restriction on DC-4 Aircraft, Ref 493 - Broken Cam Rollers in Hydromatic...

Number of pages: 12Part Number: No. 88-99Description: Ref 357- Leakage at Master Spline Locating Screw on Engine Shaft, Ref 363 - Rear Cone for 2B20 Propellers on Jacobs Engines, Ref 368 - Oil Supply Pipe Lock on 2B20 Propellers on Jacobs Engines, Ref...

Number of pages: 16Part Number: No. 12Revision Date: Sept-1960

Number of pages: 10Part Number: No. 6Revision Date: Jan-1951

Number of pages: 4Part Number: No. 115Revision Date: 23-Dec-1946Description: Ref 527 - Aluminum Barrel Supports on Model 33D50 Propellers, Ref 528 - Heavy Counterweight Caps on Beech Twin Engine Aircraft, Ref 529 - Dome-Barrel Seal for Model 23D40 and...