3.5.1. Oil cooler
An oil cooler is provided between the oil filter and the cylinder block. This cooler is a flat tube
type with turbulence inserts and operated by the coolant.
3.5.2. Oil filter
Check for oil pressure and oil leaks, and
repair or replace the oil filter if necessary.
Change the oil filter cartridge simultaneous-
ly at every replacement of engine oil.
3.6. Air Cleaner
In case that elements are deformed, damaged or if the air cleaner has a crack, replace it.
By the definite interval, the elements must be cleaned and replaced.
- Cleaning of air cleaner element: Every 200 hours.
- Changing of air cleaner element: Every 400 hours.
3.7. Fuel System
The fuel is delivered by the fuel feed pump via the fuel filter to the injection pump and from there
to the injection nozzles.
The fuel is sprayed into the cylinders through nozzles fitted in screw-fit injection nozzle holders
in the cylinder heads.
Excessively delivered fuel and leak fuel from the nozzle flow through the return pipe back to the
tank.
A strainer is arranged ahead of the fuel feed pump.
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