5.2 Maintenance every 8 – 15 hours
of operation
5.2.1. Check engine oil level
When checking the oil level, the engine should
be standing level, and must not be running.
28
– Check oil level at the dipstick. Add oil up to
the MAX mark on dipstick „1“ if necessary
(Chapter 4.1.1.).
5.2.2. Check combustion air intake area
Severe contamination is a sign that the air con-
tains a high level of dust, and that the mainte-
nance intervals should be shortened accordingly
(Chapter 5.4.2.).
29
30
– Inspect intake opening „1“ on the rain protec-
tion cap or cyclone separator for severe block-
age with dirt, for instance leaves, heavy dust
deposits etc., and clean if necessary.
(Figures 29 and 30).
– Check for free airflow at dust outlet hole „2“
on the underside of the housing, and clean if
necessary (Picture 29).
With oily contamination remove cyclone and
clean it.
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