Detroit Diesel DD15 EuroIV Operator's Manual page 108

Engine Storage
WARNING: EYE INJURY
To avoid injury from flying debris when using compressed air,
wear adequate eye protection (face shield or safety goggles) and
do not exceed 276 kPa (40 psi) air pressure.
6. Clean the exterior of the engine (except electrical parts) with fuel oil and dry
with compressed air.
7. Seal all engine openings. The material used must be waterproof, vapor-proof
and possess sufficient physical strength to resist puncture and damage from
the expansion of entrapped air.
Extended Storage (More than 30 Days)
Outdoor storage of the engine is not recommended. If units must be kept out of
doors, follow the preparation and storage instructions already given. Protect units
with quality, weather-resistant tarpaulins (or other suitable covers) arranged to
provide for air circulation.
NOTICE: Do not use plastic sheeting for outdoor storage. Enough moisture
can condense on the inside of the plastic to rust ferrous metal surfaces and
pit aluminum surfaces. If a unit is stored outside for any extended period of
time, severe corrosion damage can result.
NOTE: Plastic is fine for indoor storage.
The stored engine should be inspected periodically. If there are any indications of
rust or corrosion, corrective steps must be taken to prevent damage to the engine
parts. Perform a complete inspection at the end of one year and apply additional
treatment as required.
To prepare an engine for extended storage (more than 30 days), follow this
procedure:
1. Drain the cooling system. Refer to section "Cooling System Drain
Procedure", and flush with clean, soft water. Refill with clean, soft water and
add a rust inhibitor to the cooling system.
2. Circulate the coolant by operating the engine until normal operating
temperature is reached. Refer to section "Cooling System Fill Procedure".
3. Stop the engine.
4. With the engine at ambient temperature and cool to the touch, drain the
engine crankcase oil into a suitable container. Remove the oil filters. Dispose
of the oil and filters in an environmentally friendly manner, according to
state and/or federal (EPA) recommendations. Replace the drain plug and
torque to 45-50 N·m (33-77 lb·ft).
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All information subject to change without notice.