Fault Characteristics & Causes
1. Lubricating oil is too much or splashed
1. Drain some oil.
2. Oil leaks at drain bolt, oil filter, cylinder head, oil
pan gasket, cylinder head cover gasket, front and
back oil seals, oil filter gasket, end caps, and plugs.
2. Tighten the bolt, replace the gasket, replace
the end cap or plug.
3. Spill port of oil control piston ring is clogged by
3. Get rid of the coke at the spill port.
4. The oil is of poor quality.
5. Piston ring is worn or clamped.
5. Replace the piston ring.
6. Clearance between cylinder liner and piston is too
6. Replace the cylinder liner or the piston.
7. Oil seal for valve stem is worn.
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