Specifications

Preservation Specifications 81
• While the engine is turning, fill with initial operation corrosion inhibitor oil in accordance with
the current MTU Fluids and Lubricants Specifications A001061/.. 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 corrosion inhibitor oil.
• Re-seal the openings to the charge-air m anifolds.
Preservation of cooling system and lubrication system of engines from the field
• Clean engine if necessary.
• Drain engine oil.
• Fill with initial operation corrosion inhibitor oil in accordance with the current MTU Fluids and
Lubricants Specifications A001061/.. up to the Min. mark at least
• When using a corrosion inhibiting antifreeze, leave it in the system; otherwise, drain coolant and fill the system
in accordance with MTU Fluids and Lubricants Specifications A001061/.. with corrosion inhibiting antifreeze
if there is a risk of frost. If there is no risk of frost, the customer’s coolant can be left in the system.
• Run the engine for 15 minutes at half load.
• Shut down engine.
• Leave corrosion inhibiting antifreeze or the customer’s coolant in the system.
• Drain initial operation corrosion inhibitor oil.
Preservation of combustion chamber on engines from the field
• Clean engine if necessary.
• Drain the customer’s engine oil.
• Fill with initial operation corrosion-inhibiting oil up to the “Min” mark at least.
• Clear access to the charge-air pipe. This may require removal of the flame-start canisters,
sensors, covers or pipes. Access to the charge-air pipe must be available after the intercooler,
after the pressure fine filter / air filter and after the turbocharger.
• Use the starting system to bar the engine. The engine must not respond. To ensure this, the
gas supply m ust be reliably interrupted by closing the gas line.
• While the engine is turning, fill with initial operation corrosion inhibitor oil in accordance with
the current MTU Fluids and Lubricants Specifications A001061/.. 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 corrosion inhibitor oil.
• Re-seal the openings to the charge-air m anifolds.
Represerving gas engines
• Remove sealed covers from combustion-air inlet and exhaust outlet.
• Preserve combustion chamber (see item Preservation of combustion chamber).
• Seal off the combustion air intake and exhaust outlet openings against moisture / humidity once again.
• Fill the cooling circuit with an external pump with corrosion inhibiting antifreeze, or fill 100% with
customer’s coolant (without antifreeze if there is no risk of frost).
• Leave corrosion inhibiting antifreeze in the system
Represervation of the cooling system is not necessary with further represervation replenishments.
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 f or new deliveries; after 1 year at latest).
• Fit new oil filters (inserts) (not applicable f or new deliveries; after 1 year at latest).
• Fill up with engine oil.
• Bar engine manually.
• Prepare engine for operation.
• Renew coolant
Note
Put engine into operation according to the engine documentation.
A001061/33E 08-01 ©MTU
TIM ID: 0000010139 – 006