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164
35-127 M
Maintenance
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 during 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, vapor proof
and possess sufficient physical strength 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�
EXTENDED STORAGE (30 DAYS OR MORE)
When an engine is to be removed from operation for an extended period of time, prepare it as follows:
1� Drain and thoroughly flush the cooling system with clean, soft water�
2� Refill the cooling system with clean, soft water�
3� Add a rust inhibitor to the cooling system (refer to Group 4, “Corrosion Inhibitor”)�
4� Remove, check and recondition the injectors, if necessary, to make sure they will be ready to
operate when the engine is restored to service�