PERIODIC MAINTENANCE 6. Pump the oil into the drive. After the first bottle is empty, screw in the oil changing plug. 7. Change the bottle while the pump and hose remain connected to the adapter joint. 8. After filling, first screw in and tighten the plug at the top cover. Then remove the oil bottle, pump, hose and adapter joint and screw in the oil drain plug. Using Yanmar Hand Pump Refer to Preparing The Sail-Drive on page 45 . 3. Pump the oil into the drive. Be aware that oil has to flow up through restricted parts of the drive, so pumping will be hard. Waiting a few minutes will help. After pumping in about 1 L (1.1 qt) of oil, screw in the oil changing plug.
Be aware that the drain hose can easily slip out of the bucket and cause oil spilling. The hand pump and rubber hose are available from Yanmar, and are optional parts for SD50 / SD50-4T. Any type of hand pump or rubber hose of inner diameter 14 to 16 mm (0.5 to 0.625 in.) available locally can be used. (1) Figure 14 4. After filling, first screw in and tighten the plug at the top cover. Then remove the pump, hose and adapter joint and screw in the oil drain plug. By not using pump Refer to Filling With Lubricating Oil - SD20, SD50 and SD50-4T on page 19 . Figure 13 1 Plug 0005460 1. Connect the hose from the bottom and a suction hose to the Yanmar pump with hose clip (Figure 13) . 2.
Take out the plug from the upper case cover (Figure 13, (1)) . SD Operation Manual 47 © 2009 Yanmar Marine International 0005