Quantcast 3-97.  LONG-TERM STORAGE

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TM 9-2815-225-34&P (8)    Drain coolant from cooling system unless permanent antifreeze with rust inhibitor is present. (9)    Put engine in a place protected from the weather.  Air should be dry and temperature even. (10)    Rotate engine crankshaft two or three revolutions every three or four weeks. (11)    Protect flexdisk with a rust preventative. 3-97.  LONG-TERM STORAGE NOTE After engine has been in storage for 24 months, flush it with solvent and repeat preparation for storage. a.    General Instructions.    When  an  engine  is  to  be  in  storage  for  six  months  or  more,  it  must  be  protected  against  rust  and corrosion.  Ensure all outside surfaces of engine are painted before placing it in storage. b.    Out-of-Service  Engines.    If  an  engine  remains  out  of  service  for  six  months  or  more,  take  steps  listed  below  to  prevent damage: (1)    Start engine and gradually increase speed to 1200 rpm with no load.  Operate engine until water temperature is at least 160°F (71°C).  Stop engine and drain oil. (2)    Drain and fill crankcase to full mark on dipstick with preservative oil, U.S. Military Specification MIL-L-21260, Type P-10, type II, SAE 30. (3)    Disconnect  both  fuel  lines  at  fuel  supply  tank.    Fill  two  portable  containers,  one  with  diesel  fuel  and  the  second  with preservative oil, U.S. Military Specifications VV-L-800, Type P-9. (4)    Start engine with fuel inlet and drain lines in can with diesel fuel.  After engine is started and is running at idle, move fuel inlet line to container with preservative oil.  Operate engine 5 to 10 minutes on preservative oil.  Stop engine and reconnect fuel lines. (5)    Drain fuel and oil pumps, compressor, cooler, filters, and crankcase.  Replace all plugs after draining. (6)    Remove intake and exhaust manifolds.  Apply preservative oil in a spray into the intake and exhaust ports of the engine. Also apply it into intake port of the air compressor.  Install intake and exhaust manifolds. (7)    Inspect coolant in cooling system.  If coolant contains rust, drain and flush the system and fill it with a rust preventative. Use an oil which has rust inhibitors that will mix with water.  Flush cooling system before returning it to service. (8)    Ensure all outside surfaces of engine are painted. (9)    Remove valve covers and apply preservative oil to rocker levers, valve stem, springs, guide, crossheads, and push tubes. Install valve covers. (10)    All engine openings must be covered with heavy paper and tape. (11)    Protect flexdisk with a rust preventative. (12)    Put a tag on engine to show the following: (a)    Engine has been prepared for storage. (b)    Coolant has been removed. (c)    Crankshaft must not be rotated. (d)    Date engine was prepared for storage. (e)    Compound used for storage must be removed before running engine. (13)    Put engine in a place protected from the weather and where the air is dry and temperature is even. (14)    Keep all rust-preventing compounds clean. 3-705


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