TABLE OF CONTENTS SD50 / SD50-4T.................................................... 30 Periodic Maintenance.......................................................31 Tightening Fasteners....................................................33 Torque Charts.............................................................34 Standard Torque Values ......................................... 34 Standard Torque Chart ........................................... 34 Periodic Maintenance.............................................
35 Periodic Maintenance Table...........................................36 When The Vessel Is Out Of The Water, Perform The Following:...................................................................38 Removing Deposits From The Lower Gear Case .......... 38 Repairing Damaged Coating.................................... 38 Inspecting the Anode.............................................. 38 Inspecting The Folding Propeller............................... 38 Draining Water...................................................... 38 Periodic Maintenance Procedures....................................39 After Initial 50 Hours of Operation..............................
39 Every 100 Hours of Operation .................................. 48 Every 250 Hours of Operation .................................. 49 Every 500 Hours of Operation .................................. 49 Every Year ........................................................... 50 Every 2000 Hours of Operation................................. 51 Every 5 Years .......................................................
51 Specifications..................................................................53 System Diagrams.............................................................55 Maintenance Log.........................................................80 iv SD Operation Manual © 2009 Yanmar Marine International