Service Bulletin No. 545 A
Oil Filler Tube Inspection-Replacement Kit Installation Modification
Service Instruction No. 1504
Cylinder Assembly Replacement on O-235 Engines Operated Under DGAC Authority
Service Letter No. 197 A
Recommendations to Avoid Valve Sticking
Service Instruction No. 1500
Counterweight Roller Change for Robinson Helicopter
Service Instruction No. 1503
Accessory Drive Gear and Shaft Dowel Replacement
Service Instruction No. 1502 A
Installation of Inverted Flow Divider
Service Instruction No. 1304 J
Engine Nameplate Replacement
Service Instruction No. 1191 A
Cylinder Compression
Service Bulletin No. 505 B
Inspection of Crankshaft I.D. for Corrosion
Service Instruction No. 1187 J
Turbocharger Density Controller Adjustment
Service Letter No. 185 B
The Use of Higher Octane Aviation Fuel, 100LL Blue or 100 Green, for Engines Rated for 80/87 Octane Fuel
Service Letter No. 192 B
Spark Plug Fouling
Service Instruction No. 1435
Conversion from Constant Speed to Fixed Pitch Propeller and Vice Versa; Propeller Governor Oil Line Nut and Elbow
Service Instruction No. 1341
Oil Pump Idler Shaft Lubrication
Service Instruction No. 1047 B
Inspection and Reconditioning Procedures for Nitride Hardened Steel Cylinders
Service Letter No. 199
Recommendations Regarding Use of Fuel
Service Letter No. 171
General Aspects of Spectrometric Oil Analysis
Service Bulletin No. 524
Replacement of Oil Pump Impellers Sintered Iron and Aluminum
Service Bulletin No. 547
Connecting Rod Bearing Replacement on TIO-540-AE2A Model Engines
Supplement No. 2 to Service Instruction No. 1029 D