Nanni T4.230 Operator's Manual page 37

EVERY 200 OPERATING HOURS / AT LEAST EVERY YEAR.
 Change the engine and transmission oil *.
 Change the oil filters *.
 Change the fuel filters *.
 Check the raw water pump impeller. Change if needed.
 Check the engine flexible mountings. Adjust as necessary *.
 Clean the Turbo Wastegate.
 Clean and touch up the paintwork as necessary.
EVERY 400 OPERATING HOURS / AT LEAST EVERY 2 YEARS.
 Change the thermostat of the heat exchanger.
 Change the heat exchanger filler plug.
 Drain and change the coolant. Clean the coolant system.
 Check and clean the heat exchanger tube stack. Change the O-ring.
 Check and clean the air cooler tube stack. Change the O-ring. Check
and clean the transmission oil cooler tube stack.
 Check the fuel injection nozzles. Change if needed.
 Check cold valve clearance.
 Check and clean the Turbo. Change the thermal protection of the turbo.
EVERY 1000 OPERATING HOURS / AT LEAST EVERY 4 YEARS.
 Change the flexible engine mounts
 Change the timing belt.
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