Operation & Maintenance Manual──LG968 /969Wheel Loader
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z Put the dipstick back, and close side door at right side of engine cover. Mobile oil select please
see “CHAPTER IV 2.2 Oil Selection”, the followings are the same.
② Mobile Oil Replacing
z Park the machine on plane ground, put transmission lever at neutral (“N”) position, push the
parking brake switch, put blocks at front and back of tire. Start the engine and run at idle status
until the oil temperature reaches 20℃～40℃, then stop the engine.
z Rotate the oil drain plug, let the oil flow out and hold it in a container, change the oil filter.
z After the oil is released completely, rotate the oil drain plug back. Open the right side door of
engine cover; add prescribed mobile oil
(about 27.5L) from oil inlet of engine. Run
the engine at idle status, check whether the oil
filter and oil releasing plug are leaky.
z 15 minutes after the engine is stopped, let the
mobile oil flow back to oil pan, and check the
mobile oil level of engine again.
③ Mobile Oil Filter Replacing
Disassembly
z Clean the area near the mobile oil filter seat, use filter elements spanner to disassemble the filter.
Assembly
z Add diesel full into filter coarse, spread machinery oil onto rubber sealing ring.
z Rotate tightly 3/4~1 cycle after the rubber sealing ring reaches basement.
z Start the engine and check to ensure the gasket is sealed, if not so, disassemble filter elements and
check the sealing surface.
△
! NOTICE
z After changing the filter elements,run the engine at least 1 minute
at idle status to ensure the engine is lubricated sufficiently before
working.
z Over tight mechanical rotation could hurt screw thread or filter
element sealing.
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