MTU 12 V 4000 M63 Especificaciones descargar pdf (Pagina 89)

Preservation speciﬁcations 87

• Use the starting system to bar the engine. The engine must not respond. To ensure this, the

gas supply must be reliably interrupted by closing the gas line.

• While the engine is turning, ﬁll with initial operation corrosion inhibitor oil in accordance with Chapter 8 for

approx. 15 seconds with a ﬁne atomizer spray gun into the charge air manifold openings.

• The starter unit must only be used to bar the engine if the engine is ﬁlled at least up to the “Min”

mark and the oil ﬁlters are ﬁlled with initial operation corrosion-inhibiting oil.

• Drain initial operation c orrosion inhibitor oil.

• Seal off the combustion air intake and exhaust outlet openings against moisture / humidity once again.

• Re-seal the openings to the charge-air manifolds.

In addition to the preservation steps, the following measures must still be carried out:

in installed condition:

• Seal following openings tight against moisture:

• Cooling-air inlet

• Combustion-air inlet (close the emergency air shutoff ﬂaps if they are provided).

• Exhaust outlet

with engine removed:

• Seal following openings tight against moisture:

• Cooling-air inlet

• Combustion-air inlet (close the emergency air shutoff ﬂaps if they are provided).

• Exhaust outlet

• Electrical plug connectors

• Crankcase vent (with venting to atmosphere)

• Coat or spray non-painted parts with corrosion inhibitor for external preservation

in accordance with Chapter 8.

• Seal check sheet in a clear plastic envelope and attach to engine at a clearly visible location.

• Complete the check sheet after completion of preservation work.

• Seal supply and drain lines of:

• Coolant

• Fuel

• Engine oil

Represerving diesel and gas engines

The represervation procedure is identical with the preservation procedure for diesel and gas engines

in the ﬁeld with out-of-service periods of > 3 months. (→ Page 86)

Represervation of preserved engines must be carried out depending on the storage conditions

at the represervation intervals speciﬁed in Chapter 9.

The following rules apply to engines with ﬁlled cooling, lube oil and fuel systems:

• Lube oil and fuel systems ﬁlled:

– Represerve after 6-12 months, depending on the storage conditions

• Cooling systems ﬁlled with corrosion-inhibiting antifreeze:

– Change coolant after 3 years, referenced to the data of manufacture of the product

• Cooling systems ﬁlled with water-soluble corrosion inhibitor:

– Renew coolant after 2 years, referenced to the date of manufacture of the product

• Cooling systems ﬁlled with emulsiﬁable corrosion inhibitor oil:

– Renew coolant after 6 years, referenced to the date of manufacture of the product

Depreserving diesel and gas engines before putting into service

Before return to service, the engine must be depreserved. The following steps must be carried out:

• Clean engine if necessary.

• Remove all sealing covers

• Drain off remaining corrosion-inhibiting oil.

• Fit new oil ﬁlters (inserts) (not applicable for new deliveries; after 1 year at latest

• Only for diesel engines:

• Fit new oil ﬁlters (inserts) (not applicable for new deliveries; after 1 year at

latest).

• Fill up w ith engine oil.

• Bar engine manually.

• Prepare engine for operation.

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MTU 12 V 4000 M63 Especificaciones Pagina 89

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