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5.3 Alternator maintenance
procedures
5.3.1 Measuring the alternator
insulation resistance
A 500 V megger is required to measure the alternator
insulation resistance.
If the N-terminal is connected to the earthing system,
it must be disconnected from the earth terminal.
Disconnect the AVR.
Connect the megger between the earth terminal and
terminal L1 and generate a voltage of 500 V. The
scale must indicate a resistance of at least 5 MΩ.
Refer to the alternator operating and maintenance
instructions for more details.
5.4 Engine maintenance
procedures
Refer to the engine’s operator manual for full
maintenance, including instructions for changing the
oil and coolant and replacing the fuel, oil and air
filters.
5.4.1 Engine oil level check
Consult the Engine Operation Manual for the oil
specifications, viscosity recommendations and oil
change intervals. For intervals, see chapter
“Maintenance schedules” on page 32.
Check engine oil level according to the instructions in
the Engine Operation Manual and if necessary top up
with oil.
5.4.2 Engine oil and oil filter change
Check for oil pressure and oil leaks, and repair or
replace the oil filter (1) if necessary.
Change the oil filter cartridge simultaneously at every
replacement of engine oil.
– Place an appropriate drain pan under the oil drain
flexible.
– Remove the drain plug from the oil drain flexible
to drain the oil.
– Replace the seal of the drain plug.
– Install and thighten the drain plug on the oil drain
flexible.
– Unscrew the oil filter element from the adapter
head.
Hot oil and hot surfaces can cause
burns.
Observe all relevant environmental
and safety precautions.
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