58
6 Maintenance
Engine oil change
Every 500 operating hours.
Engine oil
20
change
Change the engine oil every 500 hours of
operation (together with engine oil filter re-
placement).
If the engine runs less than 500 hours dur-
ing the year the oil should be changed at
least once a year.
Run the engine for a few minutes before
changing the oil; warm oil can be pumped
out more easily.
Change the oil with a switched off engine
at operation temperature. (Lube oil tem-
perature max. 80°C (176°F).)
D
anger
Be aware of the risk of skin burning dur-
ing draining the hot oil! Used oil must be
collected in a container for proper disposal
according to laws and regulations.
W
arning
Never use additives.
This could cause damage to the engine
which is not covered by the guarantee.
Summary of Contents for DT4.70
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