Specifications

Lubricants 11

Diagram 2

A Total base number in mgKOH/g,

ISO 3771

B Recommended min. total base

number for fresh oil

C Min. total base number for used oil

D Sulfur content of fuel in % weight

Use of Low-Sulfur Diesel Fuel

The use of diesel fuels with low sulfur content (< 0.5%) does not influence the oil drain intervals.

Minimum Requirements for Operational Checks

Oil analyses can be carried out using the MTU Test Kit. The Test Kit contains all the

equipment required as well as instructions for use.

The following checks can be performed:

• Determination of oil dispersing capacity (spot test)

• Determination of diesel fuel content in the oil.

• Determination of water content in oil

Lubricating Greases

Requirements

The MTU conditions for lubricating-grease approval are specified in the MTU Factory Standard

MTL 5050, which can be ordered under this reference number.

Grease manufacturers are notified in writing if their product is approved by MTU.

Lubricating Greases for General Applications

Lithium-saponified greases are t o be used for all lubrication points with t he exception of:

• Emergency air shutoff flaps fitted between turbocharger and intercooler. (→ Page 11)

• Coupling internal centering

High Melting-point Greases

High-temperature grease (up to 250 °C) must be used for emergency shutoff flaps loca

ted

between turbocharger and intercooler:

• Aero Shell Grease 15

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