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Maintenance
Maintenance chart
System/components
Fuel leaks, fuel spillage
Fuel tank, air filter, fuel filter
E
Idle adjusting screw
N
G
Spark plug
I
N
Cylinder fins, intake air cooling
E
vent
Muffler, spark arrester, cylin-
der exhaust port
Throttle lever, ignition switch
T
R
Cutting parts
I
M
Gear case
M
Screws/nuts/bolts
E
R
Debris guard
WARNING:
Make sure that the engine has stopped and cooled down before performing any ser-
vice to the machine. Contact with moving cutting head or hot muffler may result in a personal injury.
Air filter (MA1)
The air filter, if clogged, will reduce the engine performance. Check and clean the filter
element in warm, soapy water as required. Dry completely before installing. If the ele-
ment is broken or shrunk, replace with a new one (MA1).
Fuel filter (MA2)
When the engine runs short of fuel supply, check the fuel cap and the fuel filter for
blockage.
Spark plug
Starting failure and misfiring are often caused by a fouled spark plug. Clean the spark
plug and check that the plug gap is in the correct range. For a replacement plug, use
the correct type. REPLACEMENT PLUG IS LD L8RTF!
IMPORTANT:
failing to operate properly or in the engine becoming overheated and damaged. To install the spark plug,
© by WilTec Wildanger Technik GmbH
http://www.WilTec.de
http://www.aoyue.eu
http://www.teichtip.de
Procedure
Wipe out
Inspect/clean
See
idling speed
Clean and read-
just plug gap
Clean
Clean
Check operation
Replace if some-
thing is wrong
Grease
Tighten/replace
Make sure to at-
tach
Note that using any spark plug other than those designated may result in the engine
Be-
fore
25
use
hours of use
X
X
X
adjusting
X
X
X
X
X
X
X
Item 61493
After every
Note
50
100
Replace, if necessary
Replace carburettor if
necessary
GAP: 0.65 mm
X
Replace, if necessary
X
X
Not adjusting screws
(1) air filter
(1) fuel filter
Page 13
06
2021-1
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