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Maintenance
19
Oil Change
First disconnect the spark plug cable from the spark plug (17).
1. Unscrew the oil drain bolt by using the wrench of
the size 12 and turn it counter clockwise.
Remove the dipstick from the oil filler neck.
Wait until the engine oil has drained out into a
suitable tub. Ask for assistance by a third person
as the machine is very heavy.
Preferably change the oil when the engine is still
warm (not hot), as warm engine oil can drain
quickly and completely from the machine.
Dispose of used engine oil environmentally
friendly.
2. Re-tighten the oil drain bolt and fill engine oil
again into the machine. Do not fill more than up
to the MAX marking (approx. 500 ml). Tighten
the oil tank with the dipstick.
Cleaning/replacing the Spark Plug
1. Pull the spark plug cable.
2. Unscrew the spark plug (17) with a special-sized spark plug wrench.
Remove the carbon from the electrodes with a copper wire brush.
3. Inspect the electrodes with a suitable gauge. The distance has to be
0.75 mm
(0.030”).
4. First screw the spark plug, by hand, and finally tighten with the spark plug
wrench.
5. Plug the spark plug cable onto the spark plug. Make sure not to
overtighten the spark plug, to avoid cross-threading. Only use sparks
plugs of the type F7RTC. Using an incorrect spark plug can cause engine
damage.
Oil Drain Bolt