PERIODIC MAINTENANCE PERIODIC MAINTENANCE PROCEDURES SD20 (1) (2) After Initial 50 Hours of Operation Perform the following procedures after the first 50 hours of operation. Draining and Replacing Lubricating Oil Inspecting and Replacing the Clutch Shifter Draining and Replacing Lubricating Oil - SD20 When the vessel is out of the water, drain the oil by removing the lower gear case drain plug, and the upper gear case oil dipstick. CAUTION! Let the drive unit cool at least 5 minutes after operation before removing the oil drain plug. Hot oil could spurt out forcefully if the drain plug is removed from the drive unit immediately after operation.
(3) (4) 0005450 Figure 2 1 Dipstick 2 Upper Gear Case 3 Lower Gear Case 4 Lubricating Oil Drain Plug Inspecting and Replacing the Clutch Shifter See your authorized Yanmar dealer or distributor for procedure. SD Operation Manual 39 © 2009 Yanmar Marine International