Endress Professional GT Serie Notice D'utilisation page 79

Cleaning the air filter
Environmental protection
Clean the air filter on the generator as follows:
Fig. 4.7: Remove the air filter
1. Remove the air filter cover from the air filter housing.
2. Clean the air filter insert in a suitable container in warm
water with a detergent or with non-flammable washing
petrol.
3. Pour engine oil onto the filter and push out excess oil.
4. Insert the air filter.
5. Again attach the air filter cover to the air filter housing
 The air filter is cleaned and mounted.
Used or residual operating fluids and cleaning agents should
be recycled according to the regulations valid at the place of
use for environmental protection.
Commissioning
Putting the generator out of service
33