Engine Storage - Long Term (14-08) Section 14 - Engine Testing - Group 14 M11 Page 14-56 Cover all of the openings with heavy paper and tape to prevent dirt and moisture from entering the engine. Install a warning tag on the engine. The tag must indicate: The date the engine was treated with preservatives. The coolant and oil have been drained. Do not operate the engine. Store the engine in an area that is dry and has a constant temperature. Remove the Engine From Long Term Storage Remove the heavy paper and tape from the openings. Remove the warning tag. Remove a plug from the main oil rifle drilling. Use a clean 15W-40 engine oil to flush the preservative oil from the engine.
Use the accessory drive shaft to rotate the crankshaft three to four revolutions during the flushing procedure. After flushing the preservative oil from the engine, install a new oil filter. Drain and flush the cooling system. Fill the cooling system with heavy duty coolant. Install a new coolant filter.