11
8.3.1 Turn the fuel cock to OFF and remove the 
oilpan cup.
8.3.2 For cleaning thoroughly blow out the 
oilpan cup in opposite direction of the indicator 
arrow.
8.3.3 Attach a new rubber ring and tighten the 
oilpan cup.
9. STORAGE
When the device should be stored for a longer 
period of time, go through following steps to 
store the device.
9.1 Turn the fuel cock to OFF, remove the oilpan 
cup and empty it.
9.2 Turn the fuel cock to ON, and drain the fuel 
in the tank into a suitable container.
9.3 Change the rubber ring by a new one, and 
then turn the oilpan cup to the right.
9.4 Empty the carburetor by opening the 
carburetor bleed screw.
9.5 Remove the oil ller closure and the oil drain 
plug, and empty the engine oil in the crankcase.
9.6 Reattach the oil drain plug, and rell engine 
oil up to the upper marking of the dipstick.
9.7 Slightly  pull  the handle, until you feel  a 
counterforce.
9.8 Store the device at a clean place.
10. TROUBLESHOOTING
10.1.1 Check, if the generator switch is set to ON.
10.1.2 Check engine oil level.
10.1.3 Check fuel in the tank.
INTERVALLES
 
OBJET
 
 
or after 20 hours 
for initial 
operation
 
or every three 
months
 
or every six
months
 
or every year
 
Check engine oil
 
check
   
 
Change engine oil
 
change
 
change
 
 
check
   
 
 
 
clean
 
 
Oilpan cup
   
clean
clean
clean
 
Filter of oilpan cup
     
Ignition plug
     
Tappet clearance
   
 
Check and
readjust
 
Clean piston housing
 
   
clean
 
Clean fuel tanke 
 
Replace every three years
 
8.1 Engine Oil Change
Draining of engine oil while the engine is warm 
ensures fast and complete drainage.
8.1.1 Turn the dipstick and take it out.
8.1.2 Remove the drain plug and empty the 
crankcase.
8.1.3 Tighten the drain closure.
8.1.4 Refill engine oil up to the upper marking 
on the oil dipstick.
8.1.5 Replace the oil dipstick.
8.2 Ignition Plug
8.2.1 Detach the spark plug connector from the 
ignition plug.
8.2.2 Use a proper spark plug wrench to remove 
the ignition plug.
8.2.3 Remove carbon deposits on the ignition 
plug.
8.2.4 Check the spark plug distance and adjust, if 
necessary.
8.2.5 Reinsert the ignition plug and attach its 
spark plug.
NOTES
The ignition plug must be properly tightened. 
A loose ignition plug can become very hot 
and can damage the engine.
Never use an ignition plug with an incorrect 
thermal value. Only use recommended or 
equivalent ignition plugs.
8.3 Air Filter
The oilpan cup can prevent that dirt or water 
enters the fuel tank of the carburator. When 
the engine is not in operation for a longer time 
period, the oilpan cup should be cleaned.