Engine Storage
PREPARING ENGINE FOR STORAGE
When an engine is to be stored or removed from operation for a period of time, special
precautions should be taken to protect the interior and exterior of the engine, transmission,
and other parts from rust accumulation and corrosion. The parts requiring attention and the
recommended preparations are given below.
It will be necessary to remove all rust or corrosion completely from any exposed part before
applying a rust preventive compound. Therefore, it is recommended that the engine be
processed for storage as soon as possible after removal from operation.
The engine should be stored in a building which is dry and can be heated during the winter
months. Moisture absorbing chemicals are available commercially for use when excessive
dampness prevails in the storage area.
TEMPORARY STORAGE (30 DAYS OR LESS)
To protect an engine for a temporary period of time proceed as follows:
1. Drain the engine crankcase.
2. Fill the crankcase to the proper level with the recommended viscosity and
grade of oil.
3. Fill the fuel tank with the recommended grade of fuel oil. Operate the engine for
two minutes at 1200 rpm and no load.
NOTE: Do not drain the fuel system or the crankcase after this run.
4. Check the air cleaner and service it, if necessary as outlined under Air System.
5. If freezing weather is expected furing the storage period, add a high boiling
point type antifreeze solution in accordance with the manufacturer’s
recommendations. Drain the raw water system and leave the drain cocks open.
6. Clean the entire exterior of the engine (except the electrical system) with fuel oil
and dry it with air.
7. Seal all of the engine openings. The material used for this purpose must be
waterproof, vaporproof and possess sufficient physical stength to resist
puncture and damage from the expansion of entrapped air.
An engine prepared in this manner can be returned to service in a short time by removing
the seals at the engine openings, checking the engine coolant, fuel oil, lubricating oil,
transmission, and priming the raw water pump, if used.
RT500
Maintenance
192 REVISED:
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