TM 5-3810-300-24&P-3
15.3
STORAGE
PREPARING ENGINE FOR STORAGE
When an engine is to be stored or removed from
preventive compound. Therefore, it is recommended
operation for a period of time, special precautions should
that the engine be processed for storage as soon as
be taken to protect the interior and exterior of the engine,
possible after removal from operation.
transmission and other parts from rust accumulation and
corrosion.
The parts requiring attention and the
The engine should be stored in a building which is dry
recommended preparations are given below.
and can be heated during the winter months. Moisture
absorbing chemicals are available commercially for use
It will be necessary to remove all rust or corrosion
when excessive dampness prevails in the storage area.
completely from any exposed part before applying a rust
TEMPORARY STORAGE (30 days or less)
To protect an engine for a temporary period of time,
5
If freezing weather is expected during the storage
proceed as follows:
period, add a high boiling point type antifreeze solution in
accordance with the manufacturer's recommendations.
1
Drain the engine crankcase.
6
Clean the entire exterior of the engine (except the
2
Fill the crankcase to the proper level with the
electrical system) with fuel oil and dry it with compressed
recommended viscosity and grade of oil.
air.
3
Fill the fuel tank with the recommended grade of
7
Seal all of the engine openings. The material used
fuel oil. Operate the engine for two minutes at 1200 rpm
for this purpose must be waterproof, vapor proof and
and no load.
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
NOTE: Do not drain the fuel system or
service in a short time by removing the seals at the
the crankcase after this run.
engine openings, checking the engine coolant, fuel oil,
lubricating oil and the transmission.
4
Check the air cleaner and service it, if necessary,
as outlined in Section 3.1.
EXTENDED STORAGE (30 days or more)
When an engine is to be removed from operation for an
6
Circulate the coolant through the entire system by
extended period of time, prepare it as follows:
Page operating the engine until normal operating
temperature is reached (160 -F to 185 -F.).
1
Drain and thoroughly flush the cooling system with
clean, soft water.
7
Stop the engine.
2
Refill the cooling system with clean, soft water.
8
Remove the drain plug and completely drain the
engine crankcase. Reinstall and tighten the drain plug.
3
Add a rust inhibitor to the cooling system (refer to
Install new lubricating oil filter elements and gaskets.
Corrosion Inhibitors in Section 13.3).
9
Fill the crankcase to the proper level with a
4
Remove, check and recondition the injectors, if
30weight preservative lubricating oil MIL-L-21260, Grade
necessary, to make sure they will be ready to operate
2 (PI0), or equivalent
when the engine is restored to service.
10
Drain the engine fuel tank.
5
Reinstall the injectors in the engine, time them, and
adjust the exhaust valve clearance.
11 Refill the fuel tank with enough rust preventive fuel
oil such as American Oil Diesel Run - In Fuel (LF- 4089),
Mobil 4Y17, or equivalent, to enable the engine to
operate 10 minutes.
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