MTU 12 V 4000 M63 Specifikace stáhnout pdf (Strana 14)

12 Lubricants for four-stroke engines

High melting-point greases

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

between turbocharger and intercooler:

• Aero Shell Grease 15

• Optimol Inertox Medium

General purpose greases sufﬁce for emergency air shutoff ﬂaps located before the turbocharger or after the intercooler.

Greases for internal centerings of couplings

Greases for internal centerings:

• Esso Unirex N3 (stable up t o approx. 160 °C)

Special-purpose lubricants

Turbochargers

Exhaust turbochargers w ith integrated oil supply are generally connected to the engine oil system.

For ABB turbochargers which are not connected to the engine lube oil system, mineral-based

turbine oils with viscosity grade ISO-VG 68 must be used.

Gear couplings

Depending on the application, the following lubricants have been approved for curvic gear couplings:

• - Klüber: Structovis BHD MF (highly viscous lubricating oil)

• - Klüber: Klüberplex GE11–680 (adhesive transmission lubricant)

Guidelines on use and service life are contained in the relevant Operating Instructions and Maintenance Schedules.

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MTU 12 V 4000 M63 Specifikace Strana 14