6
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26 022 0 25 729 0
Be careful when draining hot oil – danger
of scalds! Do not let used oil run into the
soil but catch it in a container ready for
6.1 Lubrication System Service and Maintenance
6.1.2 Checking Oil Level /
Changing Engine Oil
6.1.2.1 Checking Oil Level 6.1.2.2 Engine Oil Change
● Ensure that the engine or vehicle is on a level
surface.
● Allow the engine to warm up
– Lube oil temperature approx. 80°C.
● Switch off the engine.
● Place oil tray under the engine.
● Unscrew drain plug.
● Drain oil.
● Fit oil drain plug, with the new gasket and tighten
firmly (for torque, see 9.2).
● Fill with lube oil.
– For grade / viscosity, see 4.1
– For quantity, see 9.1
● Check oil level, see 6.1.2.1
● Ensure that the engine or vehicle is on a level
surface.
● Immediately before the oil level is measured, the
engine should should be driven at low idling
speed for approx. 2 minutes.
● Switch off the engine.
● Pull out the oil dipstick.
● Wipe off with a non-fibrous, clean cloth.
● Insert up to the stop and pull out again.
● Check the oil level and if necessary fill up to the
“MAX” level.
– If the oil level is just above the “MIN” marking,
extra oil must be added.
!
The oil level must not fall below the “MIN” marking.
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6.1.3 Renewing Oil Filter
● With fitted torsion lock:
Loosen screws and slide clamps downwards.
● Undo the oil filter cartridge with commercial
tool and spin off.
● Catch any escaping oil.
● Clean sealing surface of the filter carrier if
necessary.
● Lightly oil the rubber gasket of the new oil filter
cartridge.
● Screw in the new cartridge finger tight against
the gasket.
● Tighten oil filter cartridge tightly by giving a fi-
nal half turn.
● If a torsion lock is fitted, slide clamps up into
position and tighten screws.
● Check oil level, see 6.1.2.
● Check oil pressure, see 3.3.1.
● Check sealing of oil filter cartridge for leaks.
Beware of hot oil:
Danger of scalding!
!
Service and Maintenance 6.1 Lubrication System
Property of American Airlines