HAM-STD Service Bulletins

Number of pages: 2Part Number: No. 128Revision Date: 31-July-1947Description: Ref 574 - Inspection of Governor Drive Shaft, Ref 575 - Double-Acting Governor Pilot Valves

Number of pages: 2Part Number: No. 133Revision Date: 19-Aug-1947Description: Ref 587 - Use of Crowned Roller Thrust Bearings, Ref 588 - New Clements for De-Icing Equipment, Ref 589 - Operating Range of Model 43D50 and 43D60 Propellers, Ref 590 - Rework...

Number of pages: 2Part Number: No. 141Revision Date: 30-Dec-1947Description: Ref 613 - Blade Seal Nut Undercut, Ref 614 - Oversize Fixed Cam Locating Dowel, Ref 615 - Single Capacity Governor Oil Strainer, Ref 616 - Rework for Cartridge Type Relief Valve...

Number of pages: 6Part Number: No. 136Revision Date: 15-Oct-1947

Number of pages: 2Part Number: No. 140Revision Date: 30-Dec-1947Description: Ref 610 - Stop Ring Setting on Propeller Model 23260, Ref 611 - Correction of Ref 573 in Service Bulletin 128

Number of pages: 6Part Number: No. 131Revision Date: 15-Aug-1947

Number of pages: 2Part Number: No. 144Revision Date: 20-Feb-1948Description: Ref 623 - Governor Speeder Springs, Ref 624 - Rework for Barrel Outboard Loading Hole, Ref 625 Shuttle Valve Plungers in Double Acting Governors, Ref 626 - Correction of Ref...

Number of pages: 6Part Number: No. 139Revision Date: 29-Nov-1947Description: Ref 605 - Supplementary Test for Double-Acting Governor Auxiliary Check Valves, Ref 606 Copper Reinforced Gaskets for Double-Acting Governors, Ref 607 Correction of Ref 553...

Number of pages: 2Part Number: No. 150Revision Date: 30-April-1948Description: Ref 644 - Sealing Steel Blade Plug

Number of pages: 2Part Number: No. 145Revision Date: 20-Feb-1948Description: Ref 629 - Blade Slip Ring Guard Filler Strip

Number of pages: 2Part Number: No. 147Revision Date: 20-Mar-1948

Number of pages: 2Part Number: No. 130Revision Date: 15-Aug-1947Description: Ref 581 - Matching Piston Stop Levers