Product Preservation; Engine Storage Up To 6 Months; Engine Storage Over 6 Months; Engine Starting After Storage - Kohler KDI 2504 TCR MGWI Owner's Manual

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5.11 Product preservation

• If the engines are not to be used for 6 months, they must
be protected by carrying out the operations described in
Engine storage (up to 6 months) (Par. 5.12).
• If the engine is still not in use after the first 6 months, it
is necessary to carry out a further operation to extend the
protection period (more than 6 months) (Par. 5.13).
• If the engine is not to be used for an extended period, the
protective treatment procedure must be repeated within 24
months of the previous one.

5.12 Engine storage up to 6 months

Before storing the engine check that:
• The environments are not humid or exposed to bad weather.
Cover the engine with a proper protective sheet against
dampness and atmospheric contaminants.
• The place is not near electric panel.
• Avoid storing the engine in direct contact with the ground.

5.13 Engine storage over 6 months

Follow the steps described in Par. 5.12.
1. Engine oil replacement
2. Refuel with fuel additives for long storage.
The following additives are recommended:
DEFA Fluid Plus (Pakelo Lubricants),
Diesel Treatment (Green Star),
Top Diesel (Bardhal),
STP® Diesel Fuel Injector Treatment.
3. With expansion tank: make sure that the coolant is up to
the maximum level.
4. Without expansion tank: Top liquid up until the pipes inside
the radiator are covered by about 5 mm. Do not overfill the
radiator, but leave room for the coolant to expand.
5. Start the engine and keep it idle at minimum speed for 2
minutes.
6. Bring the engine to 3/4 of the maximum speed for 5÷10
minutes.
7. Turn off the engine.
8. Completely empty the fuel tank.
9. Spray SAE 10W-40 on the exhaust and intake manifolds.
10. Seal the exhaust and intake ducts to prevent foreign
bodies from entering.
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INFORMATION ABOUT MAINTENANCE
Important
(Par. 6.1).
11. When cleaning the engine, if using a pressure washer
or steam cleaning device, avoid directing the nozzle on
electrical components, cable connections and sealed
rings (oil seals etc). If cleaning engine with a pressure
washer or steam cleaner, it is important to maintain
a minimum distance of at least 200mm between the
surface to be washed and the nozzle - avoiding absolutely
electrical components such as alternators, starter motors
and engine control units (ECU).
12. Treat non-painted parts with protective products.
If the engine protection is performed according to the
suggestions indicated no corrosion damage should occur.

5.14 Engine starting after storage

1. Remove the protective sheet.
2. Use a cloth soaked in degreasing product to remove the
protective treatment from the external parts.
3. Inject lubricating oil (no more than 2 cm3) into the intake
ducts.
4. Refill the tank with fresh fuel.
5. Make sure that the oil and the coolant are up to the
maximum level.
6. Start the engine and keep it idle at minimum speed for a
two about minutes.
7. Bring the engine to 75% of maximum rated speed for 5 to
10 minute.
8. Stop
the engine while
(Par. 6.1), discharge the protective oil in a suitable
container.
Warning
• Over time, lubricants and filters lose their properties, so it is
important consider whether they need replacing, also based
on the criteria described in
9. Replace the filters (air, oil, fuel) with original spare parts.
10. Pour new oil 4.5) up to the maximum level.
(Par.
11. Empty the cooling circuit completely and pour in the new
coolant up to the maximum level
the oil is still hot
Tab. 5.2.
(Par. 4.6).