28
– In case of models with cyclone precleaner,
check the dust ejector valve for free passage;
if necessary, remove deposited dust by com-
pressing the valve.
5.2.3. Check air cleaner maintenance
indicator
(optional equipment)
29
– Increase the engine speed briefly to maximum
level and watch out for the pilot lamp 5 to go
on. When it does go on, check the dry air
cleaner, Chapter 5.4.3.
5.2.4. Check radiator fins
for contamination
Serious contamination means that the mainte-
nance intervals must be shorted appropriately
due to excessive amounts of dust.
30
– Check radiator fins for coarse contamination,
such as leaves, lots of dust etc., if necessary,
clean them (Chapter 5.3.3.).
Attention !
Seriously contaminated radiator fins may result
in engine overheating.
5.2.5. Check coolant level
31
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