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Draining the oil
– Run the engine until warm.
– Remove the drain plug.
– Drain the oil by using the drain pump.
– Install the drain plug with a new gasket.
Removal of the oil filter
– Clean around the oil filter.
– Carefully remove the oil filter cover (1) and filter.
– Remove the O-ring (2) and filter (3)
– Let the oil drip off into a collection vessel.
Installation of the oil filter
– Install a new filter (3) and a new O-ring (2).
– Install the filter cover (1) and filter.
– Torque to: 25 Nm
– Fill oil to the correct level.
Do not fill above the MAX level.
Carry out a function test
– Start the engine.
– Check that there is no oil leakage from the oil
filter or drain nipple.
– Turn off the engine.
– Check the oil level after a few minutes.
– Top up with oil as necessary.
5.4.2.2 Oil change interval
The table below shows the oil change interval
according to the sulphur content in the fuel.
For further details, see “Maintenance schedule” on
page 89.
5.4.3 Coolant check
5.4.3.1 Monitoring coolant condition
In order to guarantee the lifetime and quality of the
product, thus to optimise engine protection, regular
coolant-condition-analysis is advisable.
The quality of the product can be determined by three
parameters.
Visual check
– Verify the outlook of the coolant regarding colour
and make sure that no loose particles are floating
around.
pH measurement
– Check the pH value of the coolant using a pH-
measuring device.
– The pH-meter can be ordered from Atlas Copco
with part number 2913 0029 00.
– Typical value for EG = 8.6.
– If the pH-level is below 7 or above 9.5, the coolant
should be replaced.
Observe all relevant environmental
and safety precautions.
Never leave spilled liquids such as
fuel, oil, water and cleansing agents
in or around the generator.
Sulphur content in fuel, by weight
<0.5% 0.5-1.0% >1.0%
Oil change interval, reached first in operation
500h /
12 months
250h /
12 months
125h /
12 months
Long service intervals
5-year drain interval to minimize
service costs (when used in
accordance with the instructions).
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