EMAK EF 92, Operators Instruction Book

Page: 50 / 316

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6.3.2 ENGINE
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CHANGING OIL
Before changing the oil, prepare a container with a volume of at least
2 litres . So that all the oil flows out of the engine we recommend that
you place something (e.g. wooden blocks) under the side opposite the
drain screw. Drain the oil while it is still warm.
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Unscrew the filler opening of the oil so that the oil flows better and
faster out of the engine.
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Unscrew the drain screw and allow the oil to fully flow out into the
prepared container.
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Screw the drain screw back on and fill the engine with the correct
amount of the recommended oil ( User's manual for the engine )
and close the oil filler cap.
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Use the dipstick to check the correct oil level. If necessary fill up the
oil so that the oil is at the correct level.
Further details about replacing oil as well as its type and amount are included in a separate
user's manual supplied by the engine's manufacturer.
- If you come into contact with used oil, we recommend that you thoroughly wash your hands
with soap and water.
- Dispose of used oil according to environment protection laws. It is appropriate to deliver
the oil in a closed container to a used oil collection point. Under no circumstances should
dispose of the used oil with other waste or pour it down the drain, on to waste or on the
floor.
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MAINTENANCE OF THE AIR FILTER
Never allow the engine to run without an air filter. This rapidly wears out the engine.
Maintain the air filter according to the instructions contained in the user's manual for the
engine supplied by its manufacturer.
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MAINTENANCE OF THE SPARK PLUG
For the engine to run perfectly the spark plug must be correctly set and clean from deposits.
- Always use only the spark plug specified by the engine's manufacturer!
- If the engine was running shortly before the inspection or replacement, then the spark plug
will be very hot. So be very careful not to burn yourself.
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Take off the spark plug cable and remove the spark plug using a wrench key.
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Visually inspect the exterior appearance of the spark plug. If the spark plug
is visibly significantly worn out or if the insulator is cracked or it is peeling,
it is necessary to replace it.
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If the spark plug is soiled or only slightly worn, it is necessary to carefully
clean it with a suitable wire brush (copper).
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Using a gauge measure set the distance of the electrodes ( User's manual
for the engine ).
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After performing maintenance on or replacing the spark plug, pull it tight in
position. An incorrectly tightened spark plug heats up significantly and may
cause serious damage to the engine.
Check, maintain and replace spark plugs according to the instructions contained in the
user's manual for the engine supplied by its manufacturer.
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REPLACEMENT OF THE FUEL FILTER
Never allow the engine to run without an air filter. This rapidly wears out the engine.