Endress Professional GT Serie Notice D'utilisation page 78

Commissioning
Putting the generator out of service
Environmental protection
Preserving the engine
compartment
Requirements
32
Used or remaining operating fluids must be recycled
according to the environmental protection regulations
applicable at the place of work.
5. Turn the fuel cock to "OFF".
6. Carefully attach the fuel hose to the carburettor again.
 The petrol is drained off.
Preserve the engine compartment on the generator as
follows:
These requirements must be fulfilled:

a switched off device

no further fuel in the tank

fuel cock at "OFF"
Fig. 4.6: Detach the spark plug socket
1. Detach the spark plug socket
2. Unscrew the spark plug using the spark plug spanner.
3. Put 1 ml of oil in the opening for the spark plug.
4. Screw in the spark plug again and tighten down.
5. Slowly pull on the cable pull for starting the engine
a number of times so that the oil is distributed throughout
the engine compartment.
6. Put the spark plug socket in place again
 The engine compartment is now preserved.