ROBEL 62.05L, Operating Manual, Page: 29 / 151

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5. Preparing the machine
6. Let the engine idle and evaluate the sound of the engine: If
the engine is not running smoothly, this is an indication
that the mixture is too poor.
7. Turn the screw L (1) counter clockwise, 1/8 turn each step.
8. Evaluate the sound of the engine: If the engine is running
smooth, finish the adjustment. If further adjustment is
needed, continue by turning the screw L (1) counter clock-
wise, 1/8 turn each step.
The carburettor has been set for operation at low alti-
tude.
Ensure that the carburetor setting is adjusted
again prior to engine operation at high alti-
tude.
5.2.3 Adjusting idle
After the mixture has been set according to the altitude, it
might be necessary to re-adjust the idle setting, see ch. 9.3.4.
5.3 Checking the petrol engine
5.3.1 Engine oil level
NOTICE
Risk of engine damage!
There is a risk that engine lubrication will not work if the oil
level falls too low. The engine will be seriously damaged.
► Make sure to operate the engine with a sufficient amount
of oil.
► Check the oil level on a level surface and with the engine
stopped.
1. Place the engine horizontally with the fuel tank side facing
down on a level surface.
2. Remove the oil filler cap and check the oil level. Make sure
that the oil level is above the lower limit mark of the oil
tank.