Engine Storage - Long Term (14-08) Section 14 - Engine Testing - Group 14 M11 Page 14-54 Drain the lubricating oil pan. Install the drain plug. Torque Value: 90 [65 ft-lb] Fill the oil pan to the ‘‘High’’ level mark with preservative oil. Use Shell 66202, or an equivalent preservative oil. The oil must meet Military Specification MIL-L-21260 Type R10 Grade 2 SAE 30. Remove the fuel lines to the engine fuel filter and the injector return line. Use Daubert Chemical NoxRust No. 518 Preservative Oil, or equivalent. The oil must meet Military Specification MIL-L-644 Type P-9. Fill two containers, one with diesel fuel, the second with preservative oil.
Install both fuel lines in the container of diesel fuel. Start the engine. After the engine is operating smoothly, transfer the fuel supply line to the container of preservative oil. Operate the engine until the preservative oil is coming out of the injector return line. Install the fuel lines to the fuel filter and the injector return line fitting. Drain the preservative oil from the lubricating oil pan and the oil filters. Install the drain plug. Torque Value: 90 [65 ft-lb] Drain and flush the cooling system. NOTE: Use a rust inhibitor that will mix with water.