TM 5-3895-359-14&P
STORAGE
PREPARING ENGINE FOR STORAGE
preventive compound. Therefore, it is recommended
When an engine is to be stored or removed from
that the engine be processed for storage as soon as
operation for a period of time, special precautions
possible after removal from operation.
should be taken to protect the interior and exterior of the
engine, transmission and other parts from rust
The engine should be stored in a building which is dry
accumulation and corrosion.
The parts requiring
and can be heated during the winter months. Moisture
attention and the recommended preparations are given
absorbing chemicals are available commercially for use
below.
when excessive dampness prevails in the storage area.
It will be necessary to remove all rust or corrosion
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,
in
accordance
with
the
manufacturer's
proceed as follows:
recommendations. Drain the raw water system and
leave the drain cocks open.
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
recommended viscosity and grade of oil.
compressed air.
3. Fill the fuel tank with the recommended grade of fuel
7. Seal all of the engine openings. The material used
oil. Operate the engine for two minutes at 1200 rpm
for this purpose must be waterproof, vaporproof and
and no load.
possess sufficient physical strength to resist puncture
and damage from the expansion of entrapped air.
NOTE: Do not drain the fuel system or
An engine prepared in this manner can be returned to
the crankcase after this run.
service in a short time by removing the seals at the
engine openings, checking the engine coolant, fuel oil,
4. Check the air cleaner and service it, if necessary, as
and lubricating oil.
outlined on Page 104-2.
5. If freezing weather is expected during the storage
period, add an ethylene glycol base antifreeze solution
EXTENDED STORAGE (more than 30 days)
5. Stop the engine.
To prepare an engine for extended storage, (more than
30 days), follow this procedure:
6. Drain the engine crankcase, then reinstall and tighten
the drain plug. Install new lubricating oil filter.
1. Drain the cooling system and flush with clean, soft
water. Refill with clean, soft water and add a rust
inhibitor to the cooling system (refer to Corrosion
7. Fill the crankcase to the proper level with a 30 weight
preservative lubricating oil MIL-L-21260B, Grade 2.
Inhibitor under Engine Coolant on Page 10-9-14).
8. Drain the fuel tank. Refill with enough clean fuel oil
2. Remove, check and recondition the injectors, if
to permit the engine to operate for about ten minutes.
necessary, to make sure they will be ready to operate
when the engine is restored to service.
9. Remove and discard the fuel filter and fuel strainer
cartridges. Fill new cartridges two-thirds full of fuel oil
3. Reinstall the injectors, time them and adjust the
and reinstall on the engine.
exhaust valve clearance.
10. Operate the engine for five minutes to circulate the
4. Circulate the coolant by operating the engine until
clean fuel oil throughout the engine.
normal operating temperature is reached (see Page 10-
9-13).
10-11-28
