Page 785 - Foton Workshop Manual - Sauvana

LUBRICATION - ENGINE OIL 17B-7

NOTICE:
Upon detection of clear stratification of engine oil
in the container, with presence of water on the
under layer, it indicates that the engine oil is mixed
with water and it’s necessary to check the cause
for water ingress of engine oil.
A：Water
B：Engine oil
B

A

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(e). Oil drop examination.
• Drip a drop of engine oil on a piece
of white paper. If the black spot in the
center of the oil drop is large and uniform
in dark brown, without particle, and the 17B
surrounding yellow infiltration is really
small, it indicates that the engine oil
is deteriorated and shall be replaced.
If the black spot in the center of oil
drop is small and light in color and the
surrounding yellow infiltration trace is
large, it indicates that the engine oil can
be further used.
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3. Check engine oil pressure
(a). Disconnect the connector of engine oil
pressure sensor.
(b). Clean the surfaces of engine oil pressure
sensor.
NOTICE:
• Use compressed air to clean the engine
oil pressure sensor and the engine body
connections, in order to prevent the ingress of
impurities (such as dust) into oil passage and
the accelerated contamination of the engine oil.
• While using the compressed air, it’s
recommended to wear goggles and protective
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mask, in order to prevent the slashing fragments
from causing personal injuries.

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