SEBU8191-01 57
Maintenance Section
Engine Oil Sample - Obtain
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Engine O il Sam ple - Obtain
The condition of the engine lubricating oil should be
checked at regular intervals as part of the preventive
maintenance
program.
Initiating
an Oil analysis Program
The First 500 Hours
Oil analysis in the first 500 hours will show higher
levels of iron and copper than acceptable parameters.
As the engi
ne continues to operate the levels will
drop within the specified parameters.
Every 250
Hours
An oil sample should be obtained at 250 hour
interval
s.
A trend can be established by analyzing the results
of the oi
l sampling. Each individual operator can
develop a service program for the engine.
Note: Pe
rkins Engines Stafford must agree to the
maintenance schedule.
Obtain the Sample and the Analysis
Hot oil and hot components can cause personal
injur
y. Do not allow hot oil or hot components to
contact the skin.
The o
il sample must be taken from the mean level in
the engine oil pan. Do not take an oil sample from
the drain plug.
In order to help obtain the most accurate analysis,
record the following information before an oil sample
is t
aken:
•
Thedateofthesample
•
Engine model
•
En
gine number
•
Service hours on the engine
•
The number of hours that have accumulated since
the last oil change
•
The amount of oi
l that has been added since the
last oil change
Ensure that th
e container for the sample is clean and
dry. Also ensure that the container for the sample is
clearly labelled.
To ensure that the sample is representative of the
oil in the crankcase, obtain a warm, well mixed oil
sample.
To avoid contamination of the oil samples, the tools
and the supp
lies that are used for obtaining oil
samples must be clean.
The sample
can be checked for the following: the
quality of the oil, the existence of any coolant in the
oil, the existence of any ferrous metal particles in
the oil, an
d the existence of any nonferrous metal
particles in the oil.
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Engine O
il and F ilter - Change
Hot oil and hot components can cause personal
injury. Do not allow hot oil or hot components to
contact the skin.
NOTICE
Care must be taken to ensure that fluids are contained
duri
ng performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid with suitable containers before open-
ing a
ny compartment or disassembling any compo-
nent containing fluids.
Disp
ose of all fluids according to local regulations and
mandates.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
Do not drain the engine lubricating oil when the
e
ngine is cold. As the engine lubricating oil cools,
suspended waste particles settle on the bottom of
the oil pan. The waste particles are not removed with
d
rainingcoldoil.Draintheoilpanwiththeengine
stopped. Drain the oil pan with the oil warm. This
draining method allows the waste particles that are
suspended in the oil to be drained properly.
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