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Miscellaneous—Storage
KR46761,00013B7 -19-02NOV16-1/1
Preparing Engine for Long-Term Storage
IMPORTANT: Any time the engine is not used for over
6 months, the following recommendations for
storing and removing the engine from storage
helps to minimize corrosion and deterioration.
IMPORTANT: Long-term storage is not advised when
using biodiesel. For storage longer than 1
year, use straight hydrocarbon fuel.
If biodiesel must be used, it is recommended
the blend not exceed B5 and a high-quality
fuel stabilizer be used. Storage should
not exceed 1 year.
For more information, see BioDiesel
Fuel. (Section 3-1.)
NOTE: The following storage preparations are used for
long-term engine storage up to 1 year. After that,
the engine should be started, warmed up, and
retreated for an extended storage period.
1. Change engine oil and replace lter. Used oil does
not give adequate protection. Add 30 mL of rust
preventive oil to the engine crankcase for every 1 L of
engine oil, or 1 oz of rust preventative oil per 1 qt of
engine oil. This rust preventive oil should be a SAE
10 oil with 1%—4% morpholine or equivalent vapor
corrosion inhibitor such as NOX RUST VCI-10 OIL
from Daubert Chemical Company, Inc.
2. Replace air cleaner.
3. Draining and ushing of cooling system is not
necessary if the engine is only stored for less than
1 year. However, for extended storage periods of 1
year or longer, the recommendation is that the cooling
system be drained, ushed, and relled. Rell with
appropriate coolant. See Diesel Engine Coolant.
(Section 3-1.)
4. Prepare a solution of diesel fuel and rust preventive oil
in a temporary container, add 78 mL of rust preventive
oil per 1 L of diesel fuel (10 oz of rust preventive oil
per 1 gal of diesel fuel).
5. Remove existing lines and plugs as required. Run
a temporary line from the temporary container to
the engine fuel intake located before the fuel lters.
Run another temporary line from the fuel return to
the temporary container. This set up allows rust
preventive oil solution to circulate through the injection
system during cranking.
IMPORTANT: Prevent possible damage to starter.
Do not operate starter more than 30 seconds
at a time. Wait at least 2 minutes for starter
to cool before trying again.
6. Crank the engine several revolutions with starter. Do
not allow the engine to start. Cranking the engine
without starting allows rust preventive oil solution to
circulate.
See an authorized Hitachi dealer for the proper
procedure.
7. Remove temporary lines installed in step 5 and replace
any lines or plugs previously removed.
8. Loosen (or remove) and store fan and alternator
poly-vee belt.
9. Remove and clean batteries. Store them in a cool, dry
place and keep them fully charged.
10. Disengage the clutch for any driveline.
11. For extended storage periods of 1 year or longer, drain
or siphon diesel exhaust uid (DEF) from DEF tank.
12. Clean the exterior of the engine with salt-free water
and touch up any scratched or chipped painted
surfaces with a high-quality paint.
13. Coat all exposed bare metal surfaces with grease or
corrosion inhibitor if not feasible to paint.
14. Seal all openings on engine with plastic bags and tape.
15. Store the engine in a dry, protected place. If engine
must be stored outside, cover it with a waterproof
canvas or other suitable protective material and use a
strong, waterproof tape.
4-4-3
112321
PN=340
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