4000 Hours Service

1 Maintenance to be performed every 4000 hours of operation.

1. Cooling system

1.1 Internal cleaning, at least every 4th year 5*

Removing deposits, oil and grease

For internal cleaning use liquid dishwasher detergent designed for household use. Alternative BASF Glycacorr G93 or Texaco Havoline XLI can be used. Important: The cleaning agent must not foam. 1.If possible, run the engine until it is warm and then drain the cooling system, see changing coolant, item 1.2 2.Remove the thermostat housing (1) and replace it with a hose. Plug the by-pass. 3.Fill the system with clean, hot water mixed with liquid dishwasher designed for household use. Concentration 1% (0.1 L by 10 L water). Alternative BASF Glycacorr G93 or Texaco Havoline XL can be used.

4.Run the engine for about 20-30 minutes.

NOTE! Do not forget the cab heater system. 5.Drain the cooling system. 6.Fill the system again with hot water and run the engine for about 20 -30 minutes.

7.Drain the water from the cooling system. 8.Refit the thermostat housing and the connections. 9.Fill the system with coolant as described in the specifications in item 1.3 at 2000 hours service.

WARNING

Handling cleaning agents for the cooling system: Read the warning label on the container

Maintenance to be performed every 4000 hours of operation.

1.2 Change coolant, at least every 4th year 5*

1.Remove the filler cap from the expansion tank. 2.Drain the coolant in two places: • the "lowest point" on the engine block, see ill. • the "lowest point" of the cooling system (1), under the oil cooler on left hand side. Access through the engine bottom guard. 3.Close the cocks.

4.Fill with correct mixture, pre-mixed coolant through the expansion tank filler hole (2). See item 1.3 at 2000 hours service.

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2. Continue with all items in 2000 Hours Service.