Cummins ISX11.9 CM2250 – Service Manual 000-006   Engine Storage – Short Term

This procedure describes the proper method to prepare an engine for short term storage (1 to 6 months).

Operate the engine at high idle speed until the coolant temperature indicator reaches 70°C [160°F].

Shut off the engine.

Remove the fuel lines to the fuel pump and the injector return line. Place the ends into a container.

Install a new fuel filter. Refer to Procedure 006-065 in Section 6.

Fill the container with straight Number 1 or Number 2 diesel fuel (no biodiesel content).

Run the engine for 10 minutes to make sure the straight diesel fuel has filled all of the fuel system components.

CAUTION  To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.

CAUTION  Some state and federal agencies have determined that used engine oil can be carcinogenic and cause reproductive toxicity. Avoid inhalation of vapors, ingestion, and prolonged contact with used engine oil. If not reused, dispose of in accordance with local environmental regulations.

Drain the lubricating oil pan, the lubricanting oil filter(s), and the fuel filter.

Install the lubricating oil pan drain plug in the oil pan.

NOTE: The oil pan can remain empty until the engine is ready to use.

Drain the cooling system. Refer to Procedure 008-018 in Section 8.

NOTE: It is not necessary to drain the coolant if it is a permanent type antifreeze with a rust inhibitor. Do not drain the coolant if the engine is installed in a vehicle.

Cover all openings with tape to prevent dirt and moisture from entering the engine.

Install a warning tag on the engine. The tag must indicate that the engine does not contain oil and must not be operated.

WARNING  Do not pull or pry on the fan to manually rotate the engine. To do socan damage the fan blades. Damaged fan blades can cause premature fan failures which can result in serious personal injury or property damage.

Rotate the crankshaft 2 or 3 revolutions every 3 to 4 weeks. Refer to Procedure 009-035 in Section 9.

Remove the engine from short term storage.

Remove the tape from the openings.

Remove the warning tag.

• Replace the lubricating oil filter. Refer to Procedure 007-013 in Section 7.
• Replace the coolant filter. Refer to Procedure 008-006 in Section 8.
• Replace the fuel filter. Refer to Procedure 006-065 in Section 6.

Prime the lubricating oil system. Refer to Procedure 007-037 in Section 7.

Use clean diesel fuel to flush the diesel fuel that was stored in the engine.

• Fill the cooling system (if necessary). Refer to Procedure 008-018 in Section 8.
• Adjust the valve clearance. Refer to Procedure 003-004 in Section 3.
• Adjust the belt tension. Refer to Procedure 008-002 in Section 13.