5.2. Maintenance every 8 – 15
operating hours
5.2.1. Checking engine oil level
To check the oil level, the engine must be
standing level and be switched off.
– Remove any dirt from the oil dipstick area.
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– Check the dipstick oil level and, if necessary,
add oil to the max. mark, Chapter 4.1.1.
5.2.2. Check air intake area for
combustion and cooling
Heavy contamination is an indication that in-
creased dust accumulation necessitates a
correspondingly shorter maintenance interval,
Chapter 5.3.3. and 5.4.2.
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– Check air intake points „1“ for severe blockage
due to leaves, heavy dust accumulation etc.,
and if necessary clean them.
5.2.3. Check air cleaner maintenance
indicator (optional extra)
Mechanical service indicator
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– Increase the speed of the engine briefly to the
maximum. If the rubber bellows shrinks and
covers the green area „1“, the air cleaner sys-
tem should be serviced, Chapter 5.4.2.
Under dusty conditions, check the rubber
bellows several times per day.
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